MPEA Al0.4 Hf0.6 Nb1 Ta1 Ti1 Zr1
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Family: High-Entropy Alloy (MPEA)
High-entropy alloy. Phase: BCC. Processing: OTHER.
Performance Ratings
Performance Radar
Composition
Mechanical Properties
| Tensile Strength | 834.0 MPa |
| Yield Strength | 547.0 MPa |
| Elongation | 50.0% |
| Hardness (Brinell) | 500.0 HB |
| Hardness (Rockwell) | |
| Elastic Modulus | 107.0 GPa |
Physical Properties
| Density | 9.100 g/cm³ |
Chemical Composition
| Element | Percentage (%) |
|---|---|
| Al | 0,4 |
| Hf | 0,6 |
| Nb | 1,0 |
| Ta | 1,0 |
| Ti | 1,0 |
| Zr | 1,0 |
Where to Buy MPEA Al0.4 Hf0.6 Nb1 Ta1 Ti1 Zr1
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Description
This complex concentrated alloy (CCA) with nominal composition Al0.4 Hf0.6 Nb1 Ta1 Ti1 Zr1 is a body-centered cubic (BCC) dominant with B2 ordered regions alloy system within the multi-principal element alloy research space, incorporating Al, Hf, Nb and 3 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.