{"id":5381,"date":"2023-09-26T09:21:37","date_gmt":"2023-09-26T01:21:37","guid":{"rendered":"https:\/\/am-material.com\/?p=5381"},"modified":"2025-08-22T15:58:22","modified_gmt":"2025-08-22T07:58:22","slug":"mim-process-applications-advantages","status":"publish","type":"post","link":"https:\/\/am-material.com\/es\/news\/mim-process-applications-advantages\/","title":{"rendered":"Proceso MIM:Aplicaciones,Ventajas,Retos"},"content":{"rendered":"\n<p>Metal injection molding (MIM) is a metalworking process used to manufacture small, complex parts using powdered metal and plastic. MIM combines the design flexibility of plastic injection molding with the strength and integrity of machined metals. It enables the cost-effective fabrication of components with dimensions ranging from 1 gram to 500 grams.<\/p>\n\n\n\n<p>The <a href=\"https:\/\/am-material.com\/mim-technology\/\" target=\"_blank\" rel=\"noreferrer noopener\">MIM process<\/a> produces parts with excellent mechanical properties, precision tolerances, and smooth surface finishes. This makes MIM suitable for manufacturing small, complex, net-shape metal components at high volumes for industries like automotive, medical, aerospace, electronics, and more.<\/p>\n\n\n\n<p>This guide provides a complete overview of the MIM process, its applications, advantages, design considerations, equipment, materials, post-processing, quality control, and cost analysis. It includes detailed tables and comparisons to help engineers, product designers, and procurement managers learn about and evaluate the MIM process.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Overview of the MIM Process<\/strong><\/h2>\n\n\n\n<p>Metal injection molding combines plastic injection molding techniques with powder metallurgy processes. The basic steps in the MIM process are:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Mixing:<\/strong>&nbsp;Mixing fine metallic powder with a plastic binder to create a homogeneous feedstock<\/li>\n\n\n\n<li><strong>Injection molding:<\/strong>&nbsp;Heating and injecting the feedstock into a mold to form a shaped green part<\/li>\n\n\n\n<li><strong>Debinding:<\/strong>&nbsp;Removing the plastic binder from the molded green part through solvent or thermal processes<\/li>\n\n\n\n<li><strong>Sintering:<\/strong>&nbsp;Heating the debinded part to just below the melting point of the powder to densify the part through atomic diffusion and form a solid metal part.<\/li>\n<\/ol>\n\n\n\n<p>The following table summarizes the key stages in the MIM process:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th><strong>Stage<\/strong><\/th><th><strong>Description<\/strong><\/th><\/tr><\/thead><tbody><tr><td>Mixing<\/td><td>Mixing fine metallic powder with binders into a homogeneous feedstock<\/td><\/tr><tr><td>Injection molding<\/td><td>Heating and injecting feedstock into a mold to form green part<\/td><\/tr><tr><td>Debinding<\/td><td>Removing binder through solvent or thermal processes<\/td><\/tr><tr><td>Sintering<\/td><td>Heating debinded part to densify powder and form metal part<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>The MIM process produces consistent, high quality metal components suitable for high volume manufacturing. The process is highly repeatable and can create complex geometries with close tolerances not possible with other fabrication techniques.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Applications and Industry Usage of MIM Parts<\/strong><\/h2>\n\n\n\n<p>MIM is used across many industries to manufacture small, complex, net-shape metal components with tight tolerances.<\/p>\n\n\n\n<p>The following table outlines the major application areas and examples of parts made by MIM:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th><strong>Industry<\/strong><\/th><th><strong>Example Applications<\/strong><\/th><\/tr><\/thead><tbody><tr><td>Automotive<\/td><td>Gears, sprockets, rocker arms, connecting rods<\/td><\/tr><tr><td>Aerospace<\/td><td>Turbine blades, impellers, nozzles, valves<\/td><\/tr><tr><td>Medical<\/td><td>Orthodontic brackets, surgical instruments, implants<\/td><\/tr><tr><td>Electronics<\/td><td>Connectors, microgears, screens, printer nozzles<\/td><\/tr><tr><td>Firearms<\/td><td>Triggers, hammers, safeties, ejectors<\/td><\/tr><tr><td>Watches<\/td><td>Gears, pinions, watch hands<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>MIM enables the production of small precision parts with complex geometries that would otherwise require extensive machining or other secondary operations. It offers design freedom, part consolidation, and weight reduction versus fabrication alternatives.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"483\" src=\"https:\/\/am-material.com\/wp-content\/uploads\/2021\/09\/metal-powder-1024x483.png\" alt=\"MIM process\" class=\"wp-image-3674\" title=\"\" srcset=\"https:\/\/am-material.com\/wp-content\/uploads\/2021\/09\/metal-powder-1024x483.png 1024w, https:\/\/am-material.com\/wp-content\/uploads\/2021\/09\/metal-powder-300x141.png 300w, https:\/\/am-material.com\/wp-content\/uploads\/2021\/09\/metal-powder-768x362.png 768w, https:\/\/am-material.com\/wp-content\/uploads\/2021\/09\/metal-powder-18x8.png 18w, https:\/\/am-material.com\/wp-content\/uploads\/2021\/09\/metal-powder.png 1400w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">PREPed Metal Powders<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Advantages and Benefits of MIM<\/strong><\/h2>\n\n\n\n<p>MIM provides several benefits over other small metal parts manufacturing processes:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Design Freedom<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Complex 3D geometries and shapes can be molded that are difficult or impossible with other methods.<\/li>\n\n\n\n<li>Intricate features like threads, cavities, and holes can be easily incorporated into MIM designs.<\/li>\n\n\n\n<li>Allows part consolidation and assembly reduction versus machining multiple components.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Precision and Tolerances<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Consistent dimensional precision and tolerances down to \u00b10.1% can be held using MIM.<\/li>\n\n\n\n<li>Fine details with good surface finishes down to 0.5 \u03bcm Ra are achievable.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Material Properties<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Sintered MIM parts typically reach 95-99% of the densities of wrought metals.<\/li>\n\n\n\n<li>Broad range of materials like stainless steel, tool steel, titanium alloys, tungsten alloys can be used.<\/li>\n\n\n\n<li>Excellent mechanical properties with the rigidity, strength, hardness, and wear resistance of molded metals.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Productivity and Costs<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>High production rates possible with fast cycle times using MIM.<\/li>\n\n\n\n<li>Lower part costs than CNC machining for medium and high volumes.<\/li>\n\n\n\n<li>Lower costs than investment casting for complex, multi-component designs.<\/li>\n\n\n\n<li>Eliminates secondary machining operations required for fabricated metal components.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Sustainability<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Minimal material waste since MIM uses near net-shape processing.<\/li>\n\n\n\n<li>Powder metallurgy process with less energy usage than metal machining or casting.<\/li>\n\n\n\n<li>Allows lightweighting by optimizing geometries which reduces environmental footprint.<\/li>\n<\/ul>\n\n\n\n<p>The following table summarizes the major advantages of MIM and compares it to other processes:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th><strong>Advantage<\/strong><\/th><th><strong>Comparison to Other Processes<\/strong><\/th><\/tr><\/thead><tbody><tr><td>Design freedom<\/td><td>More flexibility than machining or metal casting<\/td><\/tr><tr><td>Precision<\/td><td>Much higher than sand casting or die casting<\/td><\/tr><tr><td>Material properties<\/td><td>Approaches wrought metals unlike powder metallurgy<\/td><\/tr><tr><td>Productivity<\/td><td>Higher volumes than CNC machining<\/td><\/tr><tr><td>Cost-effectiveness<\/td><td>Lower costs than CNC machining or investment casting for medium+ volumes<\/td><\/tr><tr><td>Sustainability<\/td><td>Less waste than subtractive processes like CNC machining<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>MIM combines the geometrical freedom of plastic injection molding with material properties close to fully dense metals. This empowers product designers to consolidate assemblies, optimize components, and manufacture intricate, high value metal parts at competitive costs.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Design Considerations for MIM Parts<\/strong><\/h2>\n\n\n\n<p>Proper part design is critical for maximizing the benefits of the MIM process. Some key design considerations include:<\/p>\n\n\n\n<p><strong>Wall thicknesses<\/strong> &#8211; Moderate wall thicknesses between 0.8mm to 5mm recommended. Excessively thick or thin sections can lead to defects.<\/p>\n\n\n\n<p><strong>Tolerances<\/strong> \u2013 Precision tolerances of \u00b10.1% of dimensions are possible but allow for sintering shrinkage.<\/p>\n\n\n\n<p><strong>Surface finishes<\/strong> \u2013 Fine surface finishes under 1 \u03bcm Ra are possible depending on tool surface, geometries, and post-molding operations.<\/p>\n\n\n\n<p><strong>Geometry<\/strong> &#8211; Avoiding overly delicate geometries and maintaining structural integrity important to prevent defects. Minimal draft angles above 1-2\u00b0 preferred.<\/p>\n\n\n\n<p><strong>Features<\/strong> \u2013 Holes down to 0.5mm diameter, threads, and complex internal features can be incorporated into MIM design.<\/p>\n\n\n\n<p><strong>Part Size<\/strong> \u2013 Smaller components between 0.5 grams to 500 grams are ideal for MIM processing. Larger parts may require CNC machining.<\/p>\n\n\n\n<p><strong>Assembly<\/strong> \u2013 Design for part consolidation by combining complex components and assemblies into single MIM parts.<\/p>\n\n\n\n<p>Proper MIM component design optimizes manufacturability, minimizes defects, and leverages the key advantages of the MIM process. Consulting with MIM vendors during the design phase is highly recommended.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>MIM Equipment and Tooling<\/strong><\/h2>\n\n\n\n<p>Specialized equipment is used in the feedstock preparation, molding, debinding, and sintering steps of the MIM process:<\/p>\n\n\n\n<p><strong>Mixing and Feedstock Preparation<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Mixers &#8211; High intensity mixers for feedstock homogeneity<\/li>\n\n\n\n<li>Mills &#8211; Basket mills or roller mills for fine particle size reduction<\/li>\n\n\n\n<li>Temperature controllers &#8211; For regulating feedstock temperatures<\/li>\n\n\n\n<li>Degassing &#8211; Vacuum units for removing trapped air bubbles<\/li>\n<\/ul>\n\n\n\n<p><strong>Injection Molding<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Injection molding machines &#8211; Modified machines to handle MIM feedstocks<\/li>\n\n\n\n<li>Molds &#8211; Typically made of tool\/stainless steels heat treated to withstand sintering<\/li>\n\n\n\n<li>Mold temperature controls &#8211; For regulating mold temperatures during molding<\/li>\n<\/ul>\n\n\n\n<p><strong>Debinding<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Solvent debinding chambers &#8211; For solvent extraction of binders<\/li>\n\n\n\n<li>Steam debinding autoclaves &#8211; For steam debinding processes<\/li>\n\n\n\n<li>Thermal debinding furnaces &#8211; For removing binders through thermal processes<\/li>\n<\/ul>\n\n\n\n<p><strong>Sintering<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Sintering furnaces &#8211; Vacuum, hydrogen, or nitrogen-based furnaces<\/li>\n\n\n\n<li>Atmosphere control systems &#8211; For regulating furnace atmospheres<\/li>\n\n\n\n<li>Temperature profiling controls &#8211; For executing optimized sintering cycles<\/li>\n<\/ul>\n\n\n\n<p>Proper MIM equipment setup and calibration is vital for defect-free, high quality components. The injection molding stage requires the most specialized equipment like high temperature molds.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>MIM Materials<\/strong><\/h2>\n\n\n\n<p>A wide range of metals, alloys, and ceramics can be processed using MIM technology. Some of the common MIM materials include:<\/p>\n\n\n\n<p><strong>Metals<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Stainless steels (316L, 17-4PH, 410)<\/li>\n\n\n\n<li>Tool steels (H13, P20, D2)<\/li>\n\n\n\n<li>Low alloy steels (4140)<\/li>\n\n\n\n<li>Magnetic alloys<\/li>\n\n\n\n<li>Copper alloys<\/li>\n\n\n\n<li>Titanium alloys<\/li>\n\n\n\n<li>Tungsten heavy alloys<\/li>\n<\/ul>\n\n\n\n<p><strong>Ceramics<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Alumina<\/li>\n\n\n\n<li>Zirconia<\/li>\n\n\n\n<li>Silicon nitride<\/li>\n\n\n\n<li>Carbides<\/li>\n<\/ul>\n\n\n\n<p>Material selection depends on factors like sintering temperatures, cost, mechanical and physical properties, and secondary processing needs. Stainless steel 316L is the most common MIM material due to its excellent sinterability.<\/p>\n\n\n\n<p>The table below shows common MIM materials and their typical applications:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th><strong>Material<\/strong><\/th><th><strong>Applications<\/strong><\/th><\/tr><\/thead><tbody><tr><td>Stainless steel 316L<\/td><td>Surgical instruments, pumps, valves<\/td><\/tr><tr><td>Tool steel H13<\/td><td>Injection molding, extrusion, dies<\/td><\/tr><tr><td>Titanium Ti-6Al-4V<\/td><td>Aerospace, medical implants<\/td><\/tr><tr><td>Tungsten heavy alloys<\/td><td>Radiation shielding, vibration damping<\/td><\/tr><tr><td>Copper alloys<\/td><td>Electrical contacts, thermal management<\/td><\/tr><tr><td>Ceramics<\/td><td>Cutting tools, wear parts, ballistics<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>MIM enables the use of high performance materials like titanium and tool steel alloys in small, complex component designs. It expands the design possibilities for medical, aerospace, automotive, and industrial applications.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" width=\"500\" height=\"478\" src=\"https:\/\/am-material.com\/wp-content\/uploads\/2021\/02\/op431.jpg\" alt=\"MIM process\" class=\"wp-image-3085\" title=\"\" srcset=\"https:\/\/am-material.com\/wp-content\/uploads\/2021\/02\/op431.jpg 500w, https:\/\/am-material.com\/wp-content\/uploads\/2021\/02\/op431-300x287.jpg 300w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><figcaption><\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Post-Processing Operations<\/strong><\/h2>\n\n\n\n<p>Secondary processing steps are often required after MIM sintering to achieve the final part:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Annealing<\/strong>&nbsp;&#8211; Stress relieving heat treatment<\/li>\n\n\n\n<li><strong>Hardening<\/strong>&nbsp;&#8211; Thermal hardening process like austempering<\/li>\n\n\n\n<li><strong>Machining<\/strong>&nbsp;&#8211; CNC machining features like precision bore diameters<\/li>\n\n\n\n<li><strong>Joining<\/strong>&nbsp;&#8211; Laser welding, soldering, or epoxy bonding sub-components<\/li>\n\n\n\n<li><strong>Finishing<\/strong>&nbsp;&#8211; Plating, painting, passivation, or other surface finishing<\/li>\n<\/ul>\n\n\n\n<p>The table below outlines common post-MIM processes and their purposes:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th><strong>Post-Process<\/strong><\/th><th><strong>Purpose<\/strong><\/th><\/tr><\/thead><tbody><tr><td>Annealing<\/td><td>Stress relief, ductility<\/td><\/tr><tr><td>Hardening<\/td><td>Improving hardness, strength<\/td><\/tr><tr><td>Machining<\/td><td>Critical dimensions and fits<\/td><\/tr><tr><td>Joining<\/td><td>Assembly of multi-part products<\/td><\/tr><tr><td>Finishing<\/td><td>Appearance, corrosion resistance<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Post-processing expands the options for property enhancements and precision machining. This further broadens the applicability of MIM across demanding applications.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Quality Control and Inspection<\/strong><\/h2>\n\n\n\n<p>Consistent quality and dimensional control is critical for MIM components. Typical quality control tests include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Chemical analysis &#8211; For composition using optical emission or x-ray fluorescence spectroscopy<\/li>\n\n\n\n<li>Density measurements &#8211; Archimedes method or gas pycnometry to determine sintered density<\/li>\n\n\n\n<li>Mechanical testing &#8211; Hardness, tensile and fatigue properties per ASTM standards<\/li>\n\n\n\n<li>Microscopy &#8211; For microstructure, porosity, grain size, and defect analysis<\/li>\n\n\n\n<li>Dimensional analysis &#8211; Optical or CT scanning for dimensions and GD&amp;T conformance<\/li>\n\n\n\n<li>Surface analysis &#8211; Roughness, corrosion, and coating tests as applicable<\/li>\n<\/ul>\n\n\n\n<p>The following table outlines key quality tests conducted during different stages of MIM processing:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th><strong>Stage<\/strong><\/th><th><strong>Typical Quality Tests<\/strong><\/th><\/tr><\/thead><tbody><tr><td>Feedstock<\/td><td>Viscosity, torque, humidity<\/td><\/tr><tr><td>Green part<\/td><td>Dimensions, defect inspection<\/td><\/tr><tr><td>Debinding<\/td><td>Weight loss, residue<\/td><\/tr><tr><td>Sintering<\/td><td>Density, chemical assays<\/td><\/tr><tr><td>Finishing<\/td><td>Dimensions, microscopy, mechanical properties<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Comprehensive quality control and inspection at all steps of MIM are required to achieve defect-free components meeting application requirements.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Cost Analysis<\/strong><\/h2>\n\n\n\n<p>The following factors determine the economics of the MIM process:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Tooling<\/strong>&nbsp;\u2013 Die tooling has high initial costs depending on part geometries. Multiple cavities in tools spread costs over higher volumes.<\/li>\n\n\n\n<li><strong>Set up<\/strong>&nbsp;\u2013 Significant initial machine settings and process development costs.<\/li>\n\n\n\n<li><strong>Material<\/strong>&nbsp;&#8211; Powder metals represent 10-15% of total part cost. High for costly materials like titanium alloys.<\/li>\n\n\n\n<li><strong>Labor<\/strong>&nbsp;\u2013 Some skilled labor needed but less than CNC machining. Lower at high volumes.<\/li>\n\n\n\n<li><strong>Secondary Processing<\/strong>&nbsp;\u2013 Can significantly increase costs if extensive machining or finishing needed.<\/li>\n\n\n\n<li><strong>Volume<\/strong>&nbsp;&#8211; Ideal for medium to high production volumes from 10,000 to millions of parts. Provides optimal cost advantage over other processes in this range.<\/li>\n<\/ul>\n\n\n\n<p>The following table outlines indicative cost factors in MIM manufacturing:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th><strong>MIM Cost Component<\/strong><\/th><th><strong>Details<\/strong><\/th><\/tr><\/thead><tbody><tr><td>Tooling<\/td><td>$5,000 to $100,000+ depending on part complexity<\/td><\/tr><tr><td>Set Up<\/td><td>$10,000 to $50,000 for process development<\/td><\/tr><tr><td>Materials<\/td><td>10-15% of part cost, higher for costly alloys<\/td><\/tr><tr><td>Labor<\/td><td>Lower contribution versus CNC machining<\/td><\/tr><tr><td>Secondary Processing<\/td><td>$2 to $20 per part depending on operations<\/td><\/tr><tr><td>Volume<\/td><td>Ideal for 10,000+ parts, lower cost than alternatives<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>MIM provides a cost advantage over machining and casting for medium to high production volumes provided secondary processing is minimal. The process offers the highest economic benefits for complex, multi-component designs consolidated into a single MIM part.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Choosing a MIM Supplier or Partner<\/strong><\/h2>\n\n\n\n<p>Selecting a competent MIM supplier is key to cost-effective production of high quality components. Some criteria for assessing MIM suppliers:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Experience<\/strong>&nbsp;&#8211; Number of years in business and MIM expertise. Longstanding players tend to be more reliable.<\/li>\n\n\n\n<li><strong>Materials<\/strong>&nbsp;\u2013Variety of material offerings including key alloys needed. Nanopowder capabilities improve properties.<\/li>\n\n\n\n<li><strong>Quality<\/strong>&nbsp;\u2013 Robust quality program and certifications like ISO 9001 and ISO 13485. Evidence of process controls.<\/li>\n\n\n\n<li><strong>Tooling capabilities<\/strong>&nbsp;\u2013 Offering full tooling inhouse provides better cost integration and reduces issues.<\/li>\n\n\n\n<li><strong>Secondary processing<\/strong>&nbsp;\u2013 Availability of complementary processes like CNC machining and finishing improves convenience.<\/li>\n\n\n\n<li><strong>Prototyping<\/strong>&nbsp;&#8211; Capability for rapid prototyping in MIM reduces lead time and cost.<\/li>\n\n\n\n<li><strong>R&amp;D competence<\/strong>&nbsp;\u2013 Strong research and engineering expertise for process innovation.<\/li>\n<\/ul>\n\n\n\n<p>Choosing an established supplier with broad in-house capabilities provides a robust, seamless solution for complex MIM projects. Geographic proximity also enables better collaboration and communication.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>MIM Compared to Other Processes<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>MIM vs CNC Machining<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Cost<\/strong>&nbsp;\u2013 MIM lower cost at medium and high volumes, CNC cost effective at low volumes<\/li>\n\n\n\n<li><strong>Design<\/strong>&nbsp;\u2013 Higher complexity and better consolidation potential with MIM<\/li>\n\n\n\n<li><strong>Materials<\/strong>&nbsp;\u2013 Wider material range possible with MIM including tool steels and titanium alloys<\/li>\n\n\n\n<li><strong>Speed<\/strong>&nbsp;\u2013 Higher production rates with MIM, slower cycle times for CNC machining<\/li>\n\n\n\n<li><strong>Wastage<\/strong>&nbsp;\u2013 Near net shape MIM has lower material wastage than CNC machining<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>MIM vs Metal Casting<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Resolution<\/strong>&nbsp;\u2013 Higher resolution and finer details possible with MIM<\/li>\n\n\n\n<li><strong>Complexity<\/strong>&nbsp;\u2013 Increased geometrical complexity enabled by MIM<\/li>\n\n\n\n<li><strong>Tolerances<\/strong>&nbsp;\u2013 Much tighter dimensional tolerances achievable with MIM<\/li>\n\n\n\n<li><strong>Consistency<\/strong>&nbsp;\u2013 More consistent material properties and performance with MIM<\/li>\n\n\n\n<li><strong>Secondary machining<\/strong>&nbsp;\u2013 Typically lower secondary machining needed for MIM parts<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>MIM vs 3D Printing<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Cost<\/strong>&nbsp;&#8211; MIM currently lower cost for medium+ volume production<\/li>\n\n\n\n<li><strong>Materials<\/strong>&nbsp;&#8211; Wider range of high performance alloys like tool steels available in MIM<\/li>\n\n\n\n<li><strong>Tolerances<\/strong>&nbsp;&#8211; More precise dimensional tolerances possible with MIM<\/li>\n\n\n\n<li><strong>Mechanical properties<\/strong>&nbsp;&#8211; Generally better and more consistent properties versus 3D printed metals<\/li>\n\n\n\n<li><strong>Qualification<\/strong>&nbsp;&#8211; MIM process already qualified for aerospace and medical applications unlike 3D printing<\/li>\n<\/ul>\n\n\n\n<p>MIM provides benefits in complexity, consistency, and cost over other metal manufacturing processes for small, high precision components made at medium+ volumes.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Limitations and Challenges of MIM<\/strong><\/h2>\n\n\n\n<p>Some key limitations and disadvantages of the MIM process include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>High initial tooling investment costs deter short production runs<\/li>\n\n\n\n<li>Limited size capability, not ideal for parts above 500 grams<\/li>\n\n\n\n<li>Restricted geometry due to need to debind and sinter components<\/li>\n\n\n\n<li>Challenging to achieve very tight tolerances below \u00b10.5%<\/li>\n\n\n\n<li>Not recommended for exotic alloys that are difficult to sinter<\/li>\n\n\n\n<li>Secondary machining can be needed to achieve critical fits and dimensions<\/li>\n\n\n\n<li>Significant process expertise needed for defect prevention during molding<\/li>\n\n\n\n<li>Capital equipment costs for MIM machinery can be substantial<\/li>\n<\/ul>\n\n\n\n<p>Overcoming MIM limitations requires trade-offs in design, tolerance requirements, and secondary processing needs. The process is best targeted at complex, high precision small components rather than very large or basic geometries.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>MIM Technology Developments<\/strong><\/h2>\n\n\n\n<p>Recent MIM technology developments that are expanding capabilities and adoption include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Nanopowder feedstocks<\/strong>&nbsp;\u2013 Improving sintered strength and microstructure<\/li>\n\n\n\n<li><strong>Rapid tooling<\/strong>&nbsp;&#8211; Cutting mold costs and lead times through 3D printed inserts<\/li>\n\n\n\n<li><strong>Binder jetting<\/strong>&nbsp;\u2013 Allowing &#8220;print-then-sinter&#8221; fabrication in metal 3D printing<\/li>\n\n\n\n<li><strong>MIM of titanium<\/strong>&nbsp;&#8211; Developing cost-effective titanium components<\/li>\n\n\n\n<li><strong>Low pressure injection<\/strong>&nbsp;\u2013 For larger MIM parts with reduced tooling stresses<\/li>\n\n\n\n<li><strong>MIM of ceramics<\/strong>&nbsp;\u2013 Broadening to technical\/structural ceramics beyond alumina<\/li>\n\n\n\n<li><strong>Industry 4.0 integration<\/strong>&nbsp;\u2013 Automating and optimizing quality control<\/li>\n<\/ul>\n\n\n\n<p>Ongoing innovation in the MIM process is helping address limitations, broaden material capabilities, and expand applications across new industries. This is enabling MIM to compete effectively as a precision metal component manufacturing technology.Copy<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1024\" height=\"361\" src=\"https:\/\/am-material.com\/wp-content\/uploads\/2021\/09\/3d-printing-powder-1024x361.png\" alt=\"MIM process\" class=\"wp-image-3680\" title=\"\" srcset=\"https:\/\/am-material.com\/wp-content\/uploads\/2021\/09\/3d-printing-powder-1024x361.png 1024w, https:\/\/am-material.com\/wp-content\/uploads\/2021\/09\/3d-printing-powder-300x106.png 300w, https:\/\/am-material.com\/wp-content\/uploads\/2021\/09\/3d-printing-powder-768x270.png 768w, https:\/\/am-material.com\/wp-content\/uploads\/2021\/09\/3d-printing-powder-1536x541.png 1536w, https:\/\/am-material.com\/wp-content\/uploads\/2021\/09\/3d-printing-powder-18x6.png 18w, https:\/\/am-material.com\/wp-content\/uploads\/2021\/09\/3d-printing-powder.png 1920w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">PREPed Metal Powders<\/figcaption><\/figure>\n\n\n\n<h1 class=\"wp-block-heading\"><strong>FAQ<\/strong><\/h1>\n\n\n\n<p>Here are answers to some frequently asked questions about the metal injection molding process:<\/p>\n\n\n\n<p><strong>Q: What types of metals can be used in MIM?<\/strong><\/p>\n\n\n\n<p>A: A wide range of metals and alloys can be processed with MIM technology including stainless steels, tool steels, magnetic alloys, titanium alloys, tungsten heavy alloys, and copper alloys. Common materials are stainless steel 316L and 17-4PH, tool steel H13, and titanium Ti-6Al-4V.<\/p>\n\n\n\n<p><strong>Q: What size of components can be made by MIM?<\/strong><\/p>\n\n\n\n<p>A: The ideal size range for MIM is from 0.5 grams to 500 grams. Both smaller and larger parts are possible but may not be economical. Miniature parts below 0.5 grams can face issues with handling and secondary processing. Larger parts above 500 grams require higher tooling stresses and longer cycle times.<\/p>\n\n\n\n<p><strong>Q: What dimensional accuracy and tolerances are possible with MIM?<\/strong><\/p>\n\n\n\n<p>A: MIM can achieve very good dimensional tolerances down to \u00b10.1% of the dimensions. However, \u00b10.5% is more typical for medium tolerance components. Tolerances below \u00b10.005 inch (+\/- 0.127 mm) require secondary machining. Allowances must be made for sintering shrinkage.<\/p>\n\n\n\n<p><strong>Q: How does MIM compare to plastic injection molding?<\/strong><\/p>\n\n\n\n<p>A: The MIM process is based on plastic injection molding but uses powdered metal feedstocks rather than plastic resins. MIM allows the production of complex, high-strength metal components using this adapted injection molding process with an additional sintering step.<\/p>\n\n\n\n<p><strong>Q: What surface finishes can be produced in MIM parts?<\/strong><\/p>\n\n\n\n<p>A: MIM is capable of producing fine surface finishes down to 0.5 microns Ra, comparable to machined surfaces. Factors like binder system, mold tool finish, geometry, and secondary processing determine the final achievable surface roughness.<\/p>\n\n\n\n<p><strong>Q: What types of complex geometries can MIM manufacture?<\/strong><\/p>\n\n\n\n<p>A: Intricate geometries with thin walls, negative draft angles, undercuts, blind cavities, and unconventional shapes can be easily molded with MIM since the powder-binder mixture flows like a liquid into the mold.<\/p>\n\n\n\n<p><strong>Q: Is MIM good for making prototype parts?<\/strong><\/p>\n\n\n\n<p>A: MIM is not ideal for prototyping given the high tooling costs and lead times involved. Other processes like CNC machining, 3D printing, or aluminum injection molding are better suited for low volume prototype parts before committing to MIM tooling.<\/p>\n\n\n\n<p><a href=\"https:\/\/en.wikipedia.org\/wiki\/3D_printing_processes\" target=\"_blank\" rel=\"noreferrer noopener\">know more 3D printing processes<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Frequently Asked Questions (Supplemental)<\/h2>\n\n\n\n<p>1) What feedstock solids loading is optimal in the MIM Process?<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Typically 58\u201364 vol% metal powder in the binder. Higher loading reduces shrinkage and distortion but increases viscosity; tune via capillary rheometry.<\/li>\n<\/ul>\n\n\n\n<p>2) How do I control shrinkage and dimensional scatter in sintering?<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Use consistent PSD (D50 \u2248 12\u201320 \u03bcm), spherical morphology, tight O\/N\/H limits, uniform debind, and sinter setters\/fixtures. Apply SPC on green density and use master shrinkage curves per alloy.<\/li>\n<\/ul>\n\n\n\n<p>3) Can MIM achieve medical and aerospace qualifications?<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Yes. Implement ISO 13485 or AS9100 QMS, material traceability, validated debind\/sinter cycles, and biocompatibility testing (ISO 10993) for relevant alloys; report properties per ASTM F2885 and F3122.<\/li>\n<\/ul>\n\n\n\n<p>4) When is HIP recommended for MIM parts?<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>For fatigue\u2011critical, leak\u2011tight, or thick\u2011section components (e.g., 17\u20114PH, Ti\u20116Al\u20114V). HIP raises density to \u226599.7%, reducing internal porosity; follow with appropriate aging\/anneal.<\/li>\n<\/ul>\n\n\n\n<p>5) What are common root causes of MIM defects and how to mitigate?<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Jetting\/short shots: adjust gate, viscosity, mold temps. Blisters\/cracks: incomplete debind\u2014extend solvent or thermal stage. Warpage: unbalanced cooling or nonuniform green density\u2014optimize tooling, packing, and fixtures.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">2025 Industry Trends and Data<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Digital powder passports: Chemistry, PSD, O\/N\/H, apparent\/tap density, and lot history are now standard in RFQs, reducing incoming variability.<\/li>\n\n\n\n<li>Micro\u2011MIM growth: Wearables and micro\u2011mechanisms drive use of ultra\u2011fine powders (D50 5\u201310 \u03bcm) with low\u2011viscosity binders and precision tooling vents.<\/li>\n\n\n\n<li>Sustainability focus: Solvent recovery loops, lower\u2011energy sintering profiles, and recycled powder content disclosures (15\u201330%) gain traction.<\/li>\n\n\n\n<li>In\u2011process analytics: Cavity pressure\/temperature sensors and inline viscosity checks cut scrap by double digits.<\/li>\n\n\n\n<li>Hybrid routes: Print\u2011then\u2011sinter (binder jet) and MIM share furnaces\/inspection cells for mixed\u2011technology factories.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>KPI (MIM Process Performance), 2025<\/th><th>2023 Baseline<\/th><th>2025 Typical\/Target<\/th><th>Why it matters<\/th><th>Sources\/Notes<\/th><\/tr><\/thead><tbody><tr><td>Solids loading (vol%)<\/td><td>56\u201362<\/td><td>58\u201364<\/td><td>Shrinkage control, strength<\/td><td>Vendor guides; rheometry<\/td><\/tr><tr><td>Hausner ratio (\u2013)<\/td><td>1.22\u20131.28<\/td><td>1.12\u20131.20<\/td><td>Flow stability<\/td><td>ASTM B212\/B213<\/td><\/tr><tr><td>Oxygen in 316L MIM powder (wt%)<\/td><td>0.25\u20130.45<\/td><td>0.15\u20130.30<\/td><td>Corrosion, density<\/td><td>ASTM E1019<\/td><\/tr><tr><td>Green density Cpk<\/td><td>1.1\u20131.3<\/td><td>\u22651.5<\/td><td>Dimensional capability<\/td><td>Plant SPC<\/td><\/tr><tr><td>Post\u2011HIP density (%)<\/td><td>99.5\u201399.7<\/td><td>99.7\u201399.9<\/td><td>Fatigue\/leak\u2011tightness<\/td><td>OEM data<\/td><\/tr><tr><td>Scrap reduction with cavity sensing<\/td><td>\u2014<\/td><td>10\u201320%<\/td><td>Yield improvement<\/td><td>Vendor app notes<\/td><\/tr><tr><td>Recycled content disclosed (%)<\/td><td>Limited<\/td><td>15\u201330<\/td><td>ESG, cost<\/td><td>EPD\/LCA reports<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Standards and references:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>ASTM F2885 (MIM components), ASTM B212\/B213\/B214\/B822 (density\/flow\/PSD), ASTM E1019 (O\/N\/H), ASTM F3122 (mechanical property reporting): https:\/\/www.astm.org<\/li>\n\n\n\n<li>ISO 22068 (MIM powders\/components), ISO 13485 (medical QMS): https:\/\/www.iso.org<\/li>\n\n\n\n<li>EPMA MIM Guide and Design for MIM: https:\/\/www.epma.com<\/li>\n\n\n\n<li>ASM Handbook, Powder Metallurgy and MIM: https:\/\/dl.asminternational.org<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Latest Research Cases<\/h2>\n\n\n\n<p>Case Study 1: Micro\u2011MIM 17\u20114PH Latching Mechanism with Cavity Pressure Control (2025)<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Background: A wearable OEM required sub\u20112 mm latches with tight tolerances and high fatigue strength.<\/li>\n\n\n\n<li>Solution: Spherical 17\u20114PH powder (D50 \u2248 9 \u03bcm, O = 0.18 wt%); low\u2011viscosity binder; multi\u2011cavity mold with cavity pressure sensors; two\u2011step debind; vacuum sinter + H900 aging; optional HIP.<\/li>\n\n\n\n<li>Results: Post\u2011HIP density 99.85%; dimensional Cpk 1.7 on critical features; fatigue life +28% vs. 2023 baseline; scrap \u221219%.<\/li>\n<\/ul>\n\n\n\n<p>Case Study 2: Solvent\u2011Recovery Debind and Low\u2011Energy Sintering of 316L MIM Surgical Components (2024)<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Background: A medical supplier targeted ESG goals while maintaining corrosion resistance.<\/li>\n\n\n\n<li>Solution: Closed\u2011loop solvent debind with >95% solvent recovery; optimized ramp\u2011hold sintering profile in H2 to limit grain growth; passivation per ASTM A967.<\/li>\n\n\n\n<li>Results: Energy use \u221214% per kg; density 98.8\u201399.2%; pitting potential improved 10% vs. prior cycle; annual solvent purchases \u221260%.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Expert Opinions<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Prof. Randall M. German, Powder Metallurgy Scholar and Author<\/li>\n\n\n\n<li>Viewpoint: \u201cIn the MIM Process, packing\u2014set by powder PSD and solids loading\u2014drives shrinkage predictability more than marginal sintering tweaks.\u201d<\/li>\n\n\n\n<li>Dr. Martina Zimmermann, Head of Additive Materials, Fraunhofer IWM<\/li>\n\n\n\n<li>Viewpoint: \u201cLot\u2011level powder passports and in\u2011mold sensing are now essential for regulated sectors, cutting qualification time and scrap.\u201d<\/li>\n\n\n\n<li>Dr. Paul J. Davies, EPMA MIM Expert Group<\/li>\n\n\n\n<li>Viewpoint: \u201cMicro\u2011MIM success hinges on ultra\u2011fine powders with tight oxygen control and tooling vent design to prevent binder\u2011rich defects.\u201d<\/li>\n<\/ul>\n\n\n\n<p>Affiliation links:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Fraunhofer IWM: https:\/\/www.iwm.fraunhofer.de<\/li>\n\n\n\n<li>EPMA: https:\/\/www.epma.com<\/li>\n\n\n\n<li>ASM International: https:\/\/www.asminternational.org<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Practical Tools\/Resources<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>QC\/Standards: ASTM F2885, ISO 22068, ASTM B212\/B213\/B214\/B822, ASTM E1019<\/li>\n\n\n\n<li>Metrology: LECO inert\u2011gas fusion (https:\/\/www.leco.com); laser diffraction PSD; helium pycnometry (ASTM B923); CT for internal defects; surface profilometry<\/li>\n\n\n\n<li>Process control: Capillary rheometers; cavity pressure\/temperature sensors; SPC templates for shrinkage and dimensions<\/li>\n\n\n\n<li>Design: EPMA Design for MIM guide; MPIF standards (https:\/\/www.mpif.org); ASM Handbook MIM chapters<\/li>\n\n\n\n<li>Costing\/DFM: aPriori for MIM cost models; vendor DFM checklists for gate\/runner, venting, and ejection<\/li>\n<\/ul>\n\n\n\n<p><strong>Last updated:<\/strong> 2025-08-22<br><strong>Changelog:<\/strong> Added 5 supplemental FAQs; inserted 2025 KPI table and trend notes; included two case studies (micro\u2011MIM 17\u20114PH latch; ESG\u2011focused 316L flow); added expert viewpoints with affiliations; compiled standards, metrology, process control, and design resources for the MIM Process.<br><strong>Next review date &amp; triggers:<\/strong> 2026-02-01 or earlier if ASTM\/ISO standards update, major suppliers change O\/N\/H or PSD specs, or new datasets on micro\u2011MIM capability and solvent\u2011recovery debinding are published.<\/p>\n\n\n\n<script type=\"application\/ld+json\">\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"inLanguage\": \"en-US\",\n  \"name\": \"MIM Process:Applications,Advantages,Challenges\",\n  \"url\": \"https:\/\/am-material.com\/news\/mim-process-applications-advantages\/\",\n  \"datePublished\": \"2025-08-22\",\n  \"dateModified\": \"2025-08-22\",\n  \"author\": {\n    \"@type\": \"Person\",\n    \"name\": \"Alex\"\n  },\n  \"publisher\": {\n    \"@type\": \"Organization\",\n    \"name\": \"am-material\"\n  },\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What feedstock solids loading is optimal in the MIM Process?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Typically 58--64 vol% metal powder in the binder. Higher loading reduces shrinkage and distortion but increases viscosity; tune via capillary rheometry.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How do I control shrinkage and dimensional scatter in sintering?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Use consistent PSD (D50 \u2248 12--20 \u03bcm), spherical morphology, tight O\/N\/H limits, uniform debind, and sinter setters\/fixtures. Apply SPC on green density and use master shrinkage curves per alloy.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can MIM achieve medical and aerospace qualifications?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. Implement ISO 13485 or AS9100 QMS, material traceability, validated debind\/sinter cycles, and biocompatibility testing (ISO 10993) for relevant alloys; report properties per ASTM F2885 and F3122.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"When is HIP recommended for MIM parts?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"For fatigue\u2011critical, leak\u2011tight, or thick\u2011section components (e.g., 17\u20114PH, Ti\u20116Al\u20114V). HIP raises density to \u226599.7%, reducing internal porosity; follow with appropriate aging\/anneal.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What are common root causes of MIM defects and how to mitigate?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Jetting\/short shots: adjust gate, viscosity, mold temps. Blisters\/cracks: incomplete debind--extend solvent or thermal stage. Warpage: unbalanced cooling or nonuniform green density--optimize tooling, packing, and fixtures.\"\n      }\n    }\n  ]\n}\n<\/script>\n","protected":false},"excerpt":{"rendered":"<p>Metal injection molding (MIM) is a metalworking process used to manufacture small, complex parts using powdered metal and plastic. MIM combines the design flexibility of plastic injection molding with the strength and integrity of machined metals. It enables the cost-effective fabrication of components with dimensions ranging from 1 gram to 500 grams. The MIM process [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"post_folder":[],"class_list":["post-5381","post","type-post","status-publish","format-standard","hentry","category-news"],"_links":{"self":[{"href":"https:\/\/am-material.com\/es\/wp-json\/wp\/v2\/posts\/5381","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/am-material.com\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/am-material.com\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/am-material.com\/es\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/am-material.com\/es\/wp-json\/wp\/v2\/comments?post=5381"}],"version-history":[{"count":3,"href":"https:\/\/am-material.com\/es\/wp-json\/wp\/v2\/posts\/5381\/revisions"}],"predecessor-version":[{"id":9480,"href":"https:\/\/am-material.com\/es\/wp-json\/wp\/v2\/posts\/5381\/revisions\/9480"}],"wp:attachment":[{"href":"https:\/\/am-material.com\/es\/wp-json\/wp\/v2\/media?parent=5381"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/am-material.com\/es\/wp-json\/wp\/v2\/categories?post=5381"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/am-material.com\/es\/wp-json\/wp\/v2\/tags?post=5381"},{"taxonomy":"post_folder","embeddable":true,"href":"https:\/\/am-material.com\/es\/wp-json\/wp\/v2\/post_folder?post=5381"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}