AA 8090 Aluminum Alloy
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กลุ่ม: Aluminum Alloy
Other Alloy. AA designation 8090.
การให้คะแนนประสิทธิภาพ
Performance Radar
| สมบัติ | Rating |
|---|---|
| Strength | 5 / 10 |
| Corrosion Res. | 6 / 10 |
| Lightweight | 9 / 10 |
| Machinability | 8 / 10 |
| Affordability | 7 / 10 |
| Heat Res. | 4 / 10 |
องค์ประกอบ
สมบัติทางกล
| ความแข็งแรงแรงดึง | 460.0 MPa |
| ความแข็งแรงจุดคราก | 397.0 MPa |
| ความแข็ง (ร็อกเวลล์) |
องค์ประกอบทางเคมี
| ธาตุ | เปอร์เซ็นต์ (%) |
|---|---|
| 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 |
ซื้อได้ที่ไหน AA 8090 Aluminum Alloy
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คำอธิบาย
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.