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لمحة عامة عن 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:

المكوّنالرمزTypical Composition Range (%)Properties Contributed
النحاسالنحاس60-90%High thermal/electrical conductivity, ductility
Tinسن5-20%Strength, hardness, corrosion resistance
الزنكزنك5-20%Wear resistance, added strength, lower melting point

Understanding the Role of Each Component

  • النحاس (النحاس): 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.
  • القصدير (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:

الخصائصالتفاصيل
مقاومة التآكلHigh resistance to corrosion in various environments due to copper and tin content.
القوةThe alloy is tough and durable, making it ideal for structural and mechanical applications.
مقاومة التآكلZinc improves the wear resistance, suitable for high-stress components.
التوصيل الحراريHigh thermal conductivity thanks to copper, useful in heat-sensitive applications.
درجة انصهار منخفضةLower 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.

اسم الموديلComposition (Cu-Sn-Zn %)طلبخصائص فريدة من نوعها
CuSn10Zn288-10-2Decorative coatings, jewelryمقاومة ممتازة للتآكل
CuSn5Zn590-5-5Electrical contacts, low-friction coatingsموصلية كهربائية عالية
CuSn8Zn488-8-4المحامل، البطاناتImproved wear resistance
CuSn6Zn391-6-3Gears, small machinery partsBalanced strength and machinability
CuSn9Zn190-9-1Brazing and solderingدرجة انصهار أقل
CuSn7Zn291-7-2Aerospace components, heat exchangersموصلية حرارية عالية
CuSn12Zn187-12-1Automotive components, fastenersصلابة معززة
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:

طلبالتفاصيل
صناعة السياراتBearings, bushings, gears, due to wear resistance and durability.
صناعة الطيران والفضاءComponents in engines and structural parts requiring high strength and corrosion resistance.
الإلكترونياتElectrical contacts, connectors, and heat dissipation materials.
الهندسة البحريةPropellers, 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.
اللحام بالنحاس واللحامLow melting point alloys that provide strong bonding in metal joints.
المبادلات الحراريةHigh thermal conductivity is beneficial for efficient heat transfer.

Specifications of CuSnZn Powder Models

الطرازنطاق حجم الجسيمات (ميكرومتر)الكثافة (جم/سم مكعب)درجة الانصهار (درجة مئوية)الصلابة (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

مزايا وقيود CuSnZn Powder

الميزةمزايامحددات
مقاومة التآكلHighly resistant to corrosion in marine and industrial environments.Less resistant than some other alloys in extreme acidic conditions.
مقاومة التآكلExcellent wear resistance, especially with added zinc.Higher zinc content can lead to brittleness in some applications.
التوصيل الحراريEfficient in heat transfer, useful for electronics and heat exchangers.Not as high as pure copper or copper-aluminum alloys in thermal applications.
القوة والصلابةProvides 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.
قابلية التصنيعEasily machinable with standard tools, reducing production costs.Higher tin or zinc content can reduce machinability due to increased brittleness.
التكلفةGenerally more affordable than pure copper or specialized alloys.Prices fluctuate with market demand for copper, tin, and zinc.

Leading Suppliers and Pricing Information

الموردالبلدAverage Price (per kg)الدرجات المتاحة
ABC Metalsالولايات المتحدة الأمريكية$25 – $40CuSn10Zn2, CuSn5Zn5
Global Alloy Ltd.ألمانيا $28 – $45CuSn8Zn4, CuSn6Zn3
Alloy Worldاليابان $30 – $42CuSn7Zn2, CuSn12Zn1
Metals R Usالمملكة المتحدة $27 – $38CuSn3Zn5, CuSn11Zn4
كوبر كرافتالصين $20 – $35CuSn9Zn1, CuSn15Zn2
CuSnZn Powder
CuSnZn Powder 22

التعليمات

سؤالالإجابة
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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