MPEA Hf0.25 Nb0.5 Ti1 V0.5 Zr0.5
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High-entropy alloy. Phase: BCC. Processing: CAST.
성능 평가
Performance Radar
| 특성 | Rating |
|---|---|
| Strength | 6 / 10 |
| Corrosion Res. | 9 / 10 |
| Lightweight | 6 / 10 |
| Machinability | 1 / 10 |
| Affordability | 3 / 10 |
| Heat Res. | 8 / 10 |
성분
기계적 특성
| 항복 강도 | 859.0 MPa |
| 연신율 | 50.0% |
| 경도 (브리넬) | 310.4 HB |
| 경도 (로크웰) | |
| 탄성 계수 | 101.0 GPa |
물리적 특성
| 밀도 | 6.900 g/cm³ |
화학 성분
| 원소 | 비율 (%) |
|---|---|
| V | 0.5 |
| Hf | 0.25 |
| Nb | 0.5 |
| Ti | 1.0 |
| Zr | 0.5 |
구매처 MPEA Hf0.25 Nb0.5 Ti1 V0.5 Zr0.5
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설명
This high-entropy alloy (HEA) with nominal composition Hf0.25 Nb0.5 Ti1 V0.5 Zr0.5 is a predominantly face-centered cubic (FCC) austenitic alloy system within the multi-principal element alloy research space, incorporating Hf, Nb, Ti 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.