When it comes to alloys that can stand up to harsh environments, CuAl10Ni5Fe4 is a name that frequently pops up. This copper-aluminum-nickel-iron alloy, also known as nickel aluminum bronze, is prized for its strength, corrosion resistance, Và wear resistance. Whether you’re dealing with marine applications, aerospace engineering, or oil and gas projects, CuAl10Ni5Fe4 is a material that can handle the toughest conditions.
In this guide, we’ll take you through everything you need to know about CuAl10Ni5Fe4—from its composition and mechanical properties to its applications, pricing, and how it compares to other alloys. By the end of this article, you’ll have a clear understanding of why CuAl10Ni5Fe4 is a go-to material in so many industries.
Tổng quan
CuAl10Ni5Fe4 is a nickel aluminum bronze alloy with a typical composition of 10% aluminum, 5% nickel, Và 4% iron. These additional elements significantly boost the alloy’s mechanical properties and corrosion resistance, making it suitable for use in extreme environments.
This alloy belongs to the copper alloy family but stands out due to its enhanced durability and resistance to wear, especially in marine applications. The combination of nickel and iron strengthens the alloy’s structure and improves its performance under high loads and abrasive conditions.
Key Features:
- Cường độ cao even at elevated temperatures
- Kháng ăn mòn tuyệt vời, particularly in seawater and chloride-rich environments
- Kháng mặc tốt, making it ideal for moving parts like bearings and gears
- Không dùng properties, making it suitable for hazardous environments
- High fatigue resistance, essential for cyclic loads in machinery
Composition and Properties
The composition of CuAl10Ni5Fe4 plays a crucial role in its cơ khí and chemical properties. Each element brings unique characteristics to the alloy, enabling it to perform in a variety of demanding applications.
Composition Breakdown
| Yếu tố | Percentage (%) |
|---|---|
| Đồng (CU) | 76 – 82 |
| Nhôm (AL) | 9 – 11 |
| Niken (NI) | 4 – 6 |
| Sắt (Fe) | 3 – 5 |
| Mangan (MN) | ≤ 1.5 |
| Silicon (SI) | ≤ 0.1 |
| Kẽm (Zn) | ≤ 0.2 |
The combination of nickel and iron enhances the alloy’s strength, while aluminum provides corrosion resistance. The copper base ensures the alloy remains ductile and thermally conductive, which is critical for applications in high-temperature environments.
Mechanical and Physical Properties
| Tài sản | Giá trị |
|---|---|
| Sức căng | 700 – 850 MPa |
| Sức mạnh năng suất | 300 – 400 MPa |
| Kéo dài | 12 – 18% |
| Hardness (HB) | 160 – 190 HB |
| Tỉ trọng | ~7.6 g/cm³ |
| Dẫn nhiệt | 50 – 60 W/m·K |
| Tinh dân điện | ~7% IACS |
| Độ nóng chảy | 1040°C – 1060°C |
| Coefficient of Expansion | 17.5 x 10⁻⁶/°C |
Key Insights on Properties:
- Sức căng: With values ranging from 700 MPa to 850 MPa, CuAl10Ni5Fe4 can handle high-stress loads, making it excellent for load-bearing components in marine and heavy machinery applications.
- Chống ăn mòn: The alloy’s aluminum and nickel content make it highly resistant to seawater corrosion, which is why it’s a popular choice for marine propellers and shafts.
- Hao mòn điện trở: The iron content adds toughness and helps the alloy withstand abrasion and friction, which is ideal for bearings and gears in industrial machinery.
Các ứng dụng
CuAl10Ni5Fe4 is a versatile alloy with a wide range of applications across several industries. Its strength, corrosion resistance, Và wear resistance make it a popular choice for marine engineering, aerospace, oil and gas, Và heavy machinery.
Common CuAl10Ni5Fe4 Applications by Industry
| Ngành công nghiệp | Các ứng dụng |
|---|---|
| Hàng hải | Propellers, shafts, pump components, valves |
| Không gian vũ trụ | Landing gear components, bushings, bearings |
| Dầu & amp; khí ga | Valve bodies, pump parts, connectors |
| Heavy Machinery | Gears, bearings, guide rails, wear plates |
| Ô tô | Bushings, engine components, valve guides |
| Sự thi công | Hydraulic cylinder parts, sliding components |
Why CuAl10Ni5Fe4 is Ideal for These Applications
- Marine Environments: CuAl10Ni5Fe4 is designed to withstand the corrosive effects of seawater, making it ideal for propellers, shafts, and other components that are constantly submerged or exposed to marine conditions.
- Ứng dụng hàng không vũ trụ: Its high strength-to-weight ratio and excellent fatigue resistance make it suitable for landing gear, bearings, and other components that undergo cyclic loading.
- Dầu & amp; khí ga: In environments where corrosion, abrasion, Và high pressure are constant challenges, this alloy’s durability and resistance to harsh chemicals make it a perfect fit for valve bodies and pump parts.
Specifications, Sizes, and Standards
CuAl10Ni5Fe4 is available in various sizes, grades, Và forms, making it suitable for a wide range of applications. Below are some of the common specifications and standards that govern its use.
Thông số kỹ thuật
| Sự chỉ rõ | Details |
|---|---|
| Common Forms | Rods, Plates, Bars, Tubes |
| Diameter Range (Rods) | 10 mm to 300 mm |
| Thickness Range (Plates) | 2 mm to 100 mm |
| Length (Bars) | Up to 6 meters |
| Temper | Annealed, Cold-Worked |
| Tiêu chuẩn | ASTM B150, DIN 17665, EN 12163 |
Điểm
| Cấp | Attributes |
|---|---|
| CuAl10Ni5Fe4-Soft (Annealed) | More ductile, easier to machine |
| CuAl10Ni5Fe4-Hard (Cold-Worked) | Increased strength, better wear resistance |
Suppliers and Pricing Information
Finding the right supplier and determining the cost of CuAl10Ni5Fe4 can vary based on the form you need, the quantity, and your location. Below are some common suppliers and general pricing details.
Nhà cung cấp và giá cả
| Nhà cung cấp | Vị trí | Price Range (per kg) | Typical Lead Time |
|---|---|---|---|
| Shanghai Metals | Trung Quốc | $20 – $35 | 2-4 weeks |
| Metal Supermarkets | Hoa Kỳ | $25 – $40 | 1-2 weeks |
| EuroAlloys | Châu Âu | €22 – €38 | 3-4 weeks |
| CopperAlloy Solutions | Vương quốc Anh | £28 – £45 | 2-3 weeks |
Factors Influencing Pricing
- Hình thức: Plates, rods, Và bars may have different pricing depending on their size and processing requirements.
- Cấp: Cold-worked grades typically cost more due to the additional processing involved.
- Supplier Location: The cost of shipping, duties, Và tariffs can significantly impact the final price.
Advantages and Limitations
Like any material, CuAl10Ni5Fe4 has its strengths and weaknesses. Understanding these can help you decide whether this alloy is the right choice for your application.
Advantages and Limitations
| Thuận lợi | Giới hạn |
|---|---|
| Xuất sắc corrosion resistance | More expensive than simpler copper alloys |
| Cao strength and durability | Lower electrical conductivity than pure copper |
| Superior wear resistance | Can be more challenging to machine than softer alloys |
| Tốt machinability in annealed state | Cold-worked versions may require special tools |
| Không dùng properties | Heavier than some alternative materials |
Insights on Advantages and Limitations
- CuAl10Ni5Fe4 is a top choice for applications requiring strength, durability, Và resistance to corrosion. However, its higher cost compared to simpler copper alloys like brass may be a consideration for budget-conscious projects.
- Its non-sparking properties make it ideal for use in environments where flammability or explosion hazards are a concern, such as in the oil and gas industry.
CuAl10Ni5Fe4 vs. Other Copper Alloys
When selecting a material for your project, it’s essential to compare CuAl10Ni5Fe4 to other copper alloys. How does it stack up against alternatives like CuAl9Ni5Fe4, CuSn12, or CuNi10Fe1Mn? Let’s take a closer look.
Comparison of CuAl10Ni5Fe4 with Other Copper Alloys
| Tài sản | CuAl10Ni5Fe4 | CuAl9Ni5Fe4 | CuSn12 | CuNi10Fe1Mn |
|---|---|---|---|---|
| Sức căng | 700 – 850 MPa | 650 – 750 MPa | 400 – 550 MPa | 380 – 550 MPa |
| Sức mạnh năng suất | 300 – 400 MPa | 280 – 350 MPa | 150 – 250 MPa | 150 – 300 MPa |
| Kéo dài | 12 – 18% | 15 – 22% | 20 – 30% | 30 – 40% |
| Chống ăn mòn | Xuất sắc | Rất tốt | Vừa phải | Xuất sắc |
| Hao mòn điện trở | Cao | Cao | Vừa phải | Vừa phải |
| Khả năng gia công | Tốt | Tốt | Tốt | Nghèo |
| Non-Sparking | Yes | Yes | KHÔNG | KHÔNG |
Key Takeaways from the Comparison
- CuAl10Ni5Fe4 offers a superior combination of strength and corrosion resistance compared to CuSn12 or CuNi10Fe1Mn, making it a better choice for marine and industrial applications.
- Compared to CuAl9Ni5Fe4, CuAl10Ni5Fe4 offers slightly higher tensile strength, which can be beneficial for high-stress applications.
Câu hỏi thường gặp (Câu hỏi thường gặp)
Here are some of the most frequently asked questions about CuAl10Ni5Fe4 to help you better understand this versatile alloy.
| Question | Answer |
|---|---|
| What is CuAl10Ni5Fe4 used for? | It’s commonly used in marine, aerospace, oil and gas, Và heavy machinery industries for components such as propellers, bearings, Và valves. |
| Is CuAl10Ni5Fe4 corrosion resistant? | Yes, it has excellent corrosion resistance, particularly in seawater and chloride-rich environments. |
| How much does CuAl10Ni5Fe4 cost? | Prices typically range from $20 to $45 per kg, depending on the supplier, form, Và grade. |
| Can CuAl10Ni5Fe4 be heat treated? | Yes, CuAl10Ni5Fe4 can be annealed for improved machinability or cold-worked for increased strength. |
| What are the key properties of CuAl10Ni5Fe4? | It offers a combination of high strength, good corrosion resistance, Và wear resistance, making it ideal for marine and industrial applications. |
| Is CuAl10Ni5Fe4 easy to machine? | Yes, in its annealed state, CuAl10Ni5Fe4 is relatively easy to machine, though cold-worked versions may require special tools. |
Phần kết luận
CuAl10Ni5Fe4 is a high-performance alloy that combines strength, durability, Và corrosion resistance. Its unique composition makes it ideal for use in demanding environments, particularly in marine, aerospace, oil and gas, Và industrial machinery applications. Whether you’re looking for a material that can handle high stress, abrasion, or seawater corrosion, CuAl10Ni5Fe4 is a reliable and versatile choice.
While it may come at a higher cost compared to simpler copper alloys, its superior properties make it well worth the investment, especially for applications where performance and longevity are critical. We hope this guide has provided you with a comprehensive understanding of CuAl10Ni5Fe4 and why it’s such a valuable material in numerous industries.
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