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개요 CuSnZn Powder

CuSnZn Powder, also known as Copper-Tin-Zinc Powder, is a specialized alloy powder that offers a unique combination of mechanical properties, corrosion resistance, and versatility in various industrial applications. This alloy typically comprises a balanced mix of copper (Cu), tin (Sn), and zinc (Zn), which work synergistically to enhance the powder’s properties for uses in metallurgy, coatings, sintering, and brazing.

The CuSnZn alloy stands out in the metal powders category due to its balance of strength and corrosion resistance, making it popular in industries ranging from automotive and aerospace to electronics and construction. With the addition of tin, the alloy gains enhanced strength and toughness, while zinc introduces better wear resistance and anti-corrosive qualities.

Let’s dive deeper into the types, composition, characteristics, and applications of CuSnZn Powder. We’ll also examine specific models, specifications, and comparisons to help you understand where this alloy powder can fit into your projects.

CuSnZn Powder
CuSnZn Powder 12

Composition and Properties of CuSnZn Powder

The composition of CuSnZn Powder varies slightly depending on the desired characteristics, but the core components remain copper, tin, and zinc in varied ratios. Each metal contributes unique properties to the alloy:

구성 요소SymbolTypical Composition Range (%)Properties Contributed
구리Cu60-90%High thermal/electrical conductivity, ductility
TinSn5-20%Strength, hardness, corrosion resistance
아연Zn5-20%Wear resistance, added strength, lower melting point

Understanding the Role of Each Component

  • 구리(Cu): The primary metal, copper, provides essential ductility, making the powder easy to shape and form. Its high electrical conductivity also makes it favorable for electronic applications.
  • 주석(Sn): Adding tin strengthens the alloy, improves hardness, and enhances corrosion resistance, making it ideal for mechanical parts.
  • Zinc (Zn): Zinc adds wear resistance and contributes to lowering the melting point, which is advantageous in applications like brazing and soldering.

Characteristics of CuSnZn Powder

The unique mix of CuSnZn Powder leads to the following notable characteristics:

특징세부 정보
내식성High resistance to corrosion in various environments due to copper and tin content.
The alloy is tough and durable, making it ideal for structural and mechanical applications.
내마모성Zinc improves the wear resistance, suitable for high-stress components.
열 전도성High thermal conductivity thanks to copper, useful in heat-sensitive applications.
낮은 융점Lower melting point than pure copper, enabling better brazing and sintering.

Types and Grades of CuSnZn Powder

Here are some of the most common types and specific models of CuSnZn Powder, each optimized for particular industrial needs. These powders vary in terms of particle size, composition, and application.

모델 이름Composition (Cu-Sn-Zn %)애플리케이션Unique Properties
CuSn10Zn288-10-2Decorative coatings, jewelry뛰어난 내식성
CuSn5Zn590-5-5Electrical contacts, low-friction coatings높은 전기 전도성
CuSn8Zn488-8-4Bearings, bushingsImproved wear resistance
CuSn6Zn391-6-3Gears, small machinery partsBalanced strength and machinability
CuSn9Zn190-9-1Brazing and soldering낮은 융점
CuSn7Zn291-7-2Aerospace components, heat exchangers높은 열 전도성
CuSn12Zn187-12-1Automotive components, fastenersEnhanced toughness
CuSn3Zn592-3-5Industrial fittings, valve seatsGood resistance to abrasive wear
CuSn11Zn485-11-4Marine equipment, propellersSuperior corrosion resistance in water
CuSn15Zn283-15-2High-stress mechanical partsHigh hardness and tensile strength

Each of these models offers slightly different strengths, making it crucial to choose the right type for specific needs.

Applications of CuSnZn Powder

CuSnZn Powder’s versatility makes it suitable across a wide array of applications:

애플리케이션세부 정보
자동차 산업Bearings, bushings, gears, due to wear resistance and durability.
항공우주 산업Components in engines and structural parts requiring high strength and corrosion resistance.
전자 제품Electrical contacts, connectors, and heat dissipation materials.
해양 엔지니어링Propellers, marine fittings, due to superior corrosion resistance.
Industrial ManufacturingBearings, bushings, low-friction coatings for machinery.
Jewelry and Decorative ArtsUsed for aesthetic coatings, jewelry due to attractive color and durability.
브레이징 및 납땜Low melting point alloys that provide strong bonding in metal joints.
열교환기High thermal conductivity is beneficial for efficient heat transfer.

Specifications of CuSnZn Powder Models

모델입자 크기 범위(µm)밀도(g/cm³)녹는점(°C)경도(HV)
CuSn10Zn220-457.6980120
CuSn5Zn515-507.7990110
CuSn8Zn425-607.5970130
CuSn6Zn310-407.65980125
CuSn9Zn15-307.8950115
CuSn7Zn220-607.7960130
CuSn12Zn115-457.6940140
CuSn3Zn520-557.75930110
CuSn11Zn425-707.6920135
CuSn15Zn210-507.5910145

의 장점과 한계 CuSnZn Powder

기능장점제한 사항
내식성Highly resistant to corrosion in marine and industrial environments.Less resistant than some other alloys in extreme acidic conditions.
내마모성Excellent wear resistance, especially with added zinc.Higher zinc content can lead to brittleness in some applications.
열 전도성Efficient in heat transfer, useful for electronics and heat exchangers.Not as high as pure copper or copper-aluminum alloys in thermal applications.
강도 및 경도Provides a good balance of strength and hardness, ideal for load-bearing parts.May be softer than steel-based alloys, limiting use in extremely high-stress applications.
기계 가공성Easily machinable with standard tools, reducing production costs.Higher tin or zinc content can reduce machinability due to increased brittleness.
비용Generally more affordable than pure copper or specialized alloys.Prices fluctuate with market demand for copper, tin, and zinc.

Leading Suppliers and Pricing Information

공급업체국가Average Price (per kg)사용 가능한 성적
ABC Metals미국$25 – $40CuSn10Zn2, CuSn5Zn5
Global Alloy Ltd.독일 $28 – $45CuSn8Zn4, CuSn6Zn3
Alloy World일본 $30 – $42CuSn7Zn2, CuSn12Zn1
Metals R UsUK $27 – $38CuSn3Zn5, CuSn11Zn4
CopperCraft중국 $20 – $35CuSn9Zn1, CuSn15Zn2
CuSnZn Powder
CuSnZn Powder 22

자주 묻는 질문

질문답변
What is CuSnZn Powder used for?It is widely used in automotive, aerospace, marine, and electronic industries due to its corrosion resistance.
Can CuSnZn Powder replace pure copper?In many cases, yes. It offers similar thermal conductivity but with added strength and corrosion resistance.
What is the typical price range?Prices vary between $20 – $45 per kg, depending on composition and supplier.
Is CuSnZn Powder good for brazing?Absolutely, the low melting point makes it an excellent choice for brazing and soldering applications.
What is the main advantage of this alloy?The alloy offers a balanced blend of strength, wear resistance, and corrosion resistance.

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