AA 8090 Aluminum Alloy
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Họ: Aluminum Alloy
Other Alloy. AA designation 8090.
Xếp hạng Hiệu suất
Performance Radar
| Tính chất | Rating |
|---|---|
| Strength | 5 / 10 |
| Corrosion Res. | 6 / 10 |
| Lightweight | 9 / 10 |
| Machinability | 8 / 10 |
| Affordability | 7 / 10 |
| Heat Res. | 4 / 10 |
Thành phần
Tính chất Cơ học
| Độ bền kéo | 460.0 MPa |
| Giới hạn chảy | 397.0 MPa |
| Độ cứng (Rockwell) |
Thành phần hóa học
| Nguyên tố | Tỷ lệ phần trăm (%) |
|---|---|
| Al | 95,45 |
| Cu | 1,24 |
| Fe | 0,05 |
| In | 0,615 |
| Li | 2,39 |
| Mg | 0,67 |
| Si | 0,03 |
| Ti | 0,023 |
| Zn | 0,03 |
| Zr | 0,11 |
Mua ở đâu AA 8090 Aluminum Alloy
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Mô tả
AA 8090 is a second-generation aluminum-lithium alloy (~2.3% Li, 1.1% Cu, 0.6% Mg) developed in the 1980s for aerospace applications seeking density reductions of 10–15% over conventional alloys. It offers higher specific stiffness (modulus/density) and specific strength than 2024 and 7075, though early grades experienced reliability concerns related to anisotropic properties and delamination. Applications include helicopter rotor parts, fuselage panels, military aircraft components, and aerospace structural plates.