MPEA Hf0.787 Nb0.142 Ta0.142 Ti1 Zr0.787
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ファミリー: High-Entropy Alloy (MPEA)
High-entropy alloy. Phase: BCC. Processing: WROUGHT.
性能評価
Performance Radar
| 特性 | Rating |
|---|---|
| Strength | 8 / 10 |
| Corrosion Res. | 9 / 10 |
| Lightweight | 4 / 10 |
| Machinability | 3 / 10 |
| Affordability | 3 / 10 |
| Heat Res. | 8 / 10 |
組成
機械的特性
| 引張強度 | 995.0 MPa |
| 降伏強度 | 540.0 MPa |
| 硬度（ロックウェル） | |
| 弾性率 | 92.0 GPa |
物理的特性
| 密度 | 8.500 g/cm³ |
化学組成
| 元素 | 割合 (%) |
|---|---|
| Hf | 0.787 |
| Nb | 0.142 |
| Ta | 0.142 |
| Ti | 1.0 |
| Zr | 0.787 |
購入先 MPEA Hf0.787 Nb0.142 Ta0.142 Ti1 Zr0.787
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
This high-entropy alloy (HEA) with nominal composition Hf0.787 Nb0.142 Ta0.142 Ti1 Zr0.787 is a predominantly face-centered cubic (FCC) austenitic alloy system within the multi-principal element alloy research space, incorporating Hf, Nb, Ta and 2 additional elements. Key properties include very high melting point (>1800°C), excellent high-temperature strength retention, and good oxidation resistance at elevated temperatures; titanium additions promote intermetallic precipitation for additional strengthening. Investigated applications include high-temperature structural applications, advanced gas turbine components, nuclear energy systems, and refractory coating materials.