AA 7475 Aluminum Alloy
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ファミリー: Aluminum Alloy
Zinc Alloy (Al-Zn). AA designation 7475.
性能評価
Performance Radar
| 特性 | Rating |
|---|---|
| Strength | 5 / 10 |
| Corrosion Res. | 6 / 10 |
| Lightweight | 9 / 10 |
| Machinability | 8 / 10 |
| Affordability | 7 / 10 |
| Heat Res. | 4 / 10 |
組成
機械的特性
| 引張強度 | 468.0 MPa |
| 降伏強度 | 416.0 MPa |
| 伸び | 8.8% |
| 硬度（ロックウェル） |
化学組成
| 元素 | 割合 (%) |
|---|---|
| Al | 90.24 |
| Cr | 0.205 |
| Cu | 1.495 |
| Fe | 0.085 |
| Mg | 2.398 |
| Mn | 0.015 |
| Si | 0.05 |
| Ti | 0.02 |
| Zn | 5.7 |
購入先 AA 7475 Aluminum Alloy
リンクから手数料が発生する場合がありますが、追加費用はかかりません。
説明
AA 7475 is a high-purity, damage-tolerant version of 7075 with tightly controlled iron and silicon contents that minimize large insoluble constituent particles, resulting in outstanding fracture toughness and fatigue crack growth resistance in T7351 or T651 temper. It sacrifices some ultimate strength compared to 7075 in favor of significantly superior damage tolerance. Applications include fuselage skin panels, lower wing skins, and structural components in commercial aircraft where fatigue life is the primary design driver.