AA 4032 Aluminum Alloy
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ファミリー: Aluminum Alloy
Silicon Alloy (Al-Si). AA designation 4032.
Overview
Formulated for parts that run hot, AA 4032 is a high-silicon aluminium alloy of about 12.2% silicon with copper, magnesium, and nickel additions. The silicon gives excellent wear resistance and lowers the coefficient of thermal expansion, which helps maintain tight piston-to-cylinder clearances at temperature. It is forged into automotive and aircraft engine pistons, cylinder liners, and other thermal-management components.
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 | 360.5 MPa |
| 降伏強度 | 342.5 MPa |
| 伸び | 4.0% |
| 硬度（ロックウェル） |
化学組成
| 元素 | 割合 (%) |
|---|---|
| Al | 85.091 |
| Cr | 0.01 |
| Cu | 0.9 |
| Fe | 0.174 |
| Mg | 1.04 |
| Mn | 0.005 |
| Ni | 0.9 |
| Si | 11.56 |
| Ti | 0.044 |
| Zn | 0.044 |
購入先 AA 4032 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 4032 is a high-silicon aluminum alloy (~12.2% Si) with additions of copper, magnesium, and nickel, specifically formulated for forged pistons and engine components operating at elevated temperatures. The silicon content provides excellent wear resistance and reduces the coefficient of thermal expansion, critical for maintaining tight piston-cylinder clearances. Primary applications include automotive and aircraft engine pistons, cylinder liners, and thermal management components.