MPEA Co0.564 Nb0.795 Ta0.103 Ti1 W0.103
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ファミリー: High-Entropy Alloy (MPEA)
High-entropy alloy. Phase: other. Processing: CAST.
性能評価
Performance Radar
| 特性 | Rating |
|---|---|
| Strength | 6 / 10 |
| Corrosion Res. | 9 / 10 |
| Lightweight | 5 / 10 |
| Machinability | 2 / 10 |
| Affordability | 3 / 10 |
| Heat Res. | 8 / 10 |
組成
機械的特性
| 硬度（ブリネル） | 277.0 HB |
| 硬度（ロックウェル） |
物理的特性
| 密度 | 7.700 g/cm³ |
化学組成
| 元素 | 割合 (%) |
|---|---|
| W | 0.103 |
| Co | 0.564 |
| Nb | 0.795 |
| Ta | 0.103 |
| Ti | 1.0 |
購入先 MPEA Co0.564 Nb0.795 Ta0.103 Ti1 W0.103
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 Co0.564 Nb0.795 Ta0.103 Ti1 W0.103 is a predominantly face-centered cubic (FCC) austenitic alloy system within the multi-principal element alloy research space, incorporating Co, 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; molybdenum/tungsten additions provide enhanced solid-solution strengthening and creep resistance; 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.