MPEA Hf1 Nb1 Si0.5 Ti1 V1
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Family: High-Entropy Alloy (MPEA)
High-entropy alloy. Phase: other. Processing: CAST.
Performance Ratings
Performance Radar
Composition
Mechanical Properties
| Tensile Strength | 1608.0 MPa |
| Yield Strength | 875.0 MPa |
| Elongation | 50.0% |
| Hardness (Brinell) | 490.0 HB |
| Hardness (Rockwell) |
Physical Properties
| Density | 7.800 g/cm³ |
Chemical Composition
| Element | Percentage (%) |
|---|---|
| V | 1.0 |
| Hf | 1.0 |
| Nb | 1.0 |
| Si | 0.5 |
| Ti | 1.0 |
Where to Buy MPEA Hf1 Nb1 Si0.5 Ti1 V1
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Description
This high-entropy alloy (HEA) with nominal composition Hf1 Nb1 Si0.5 Ti1 V1 is a predominantly face-centered cubic (FCC) austenitic alloy system within the multi-principal element alloy research space, incorporating Hf, Nb, Si 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.