MPEA Cr1 Hf1 Nb1 Ti1 Zr1
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Familie: High-Entropy Alloy (MPEA)
High-entropy alloy. Phase: other. Processing: ANNEAL.
Leistungsbewertungen
Performance Radar
| Eigenschaft | Rating |
|---|---|
| Strength | 10 / 10 |
| Corrosion Res. | 5 / 10 |
| Lightweight | 4 / 10 |
| Machinability | 5 / 10 |
| Affordability | 5 / 10 |
| Heat Res. | 5 / 10 |
Zusammensetzung
Mechanische Eigenschaften
| Zugfestigkeit | 1885.0 MPa |
| Streckgrenze | 1375.0 MPa |
| Bruchdehnung | 3.6% |
| Härte (Rockwell) |
Physikalische Eigenschaften
| Dichte | 8.200 g/cm³ |
Chemische Zusammensetzung
| Element | Prozentsatz (%) |
|---|---|
| Cr | 1,0 |
| Hf | 1,0 |
| Nb | 1,0 |
| Ti | 1,0 |
| Zr | 1,0 |
Bezugsquellen MPEA Cr1 Hf1 Nb1 Ti1 Zr1
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Beschreibung
This high-entropy alloy (HEA) with nominal composition Cr1 Hf1 Nb1 Ti1 Zr1 is a predominantly face-centered cubic (FCC) austenitic alloy system within the multi-principal element alloy research space, incorporating Cr, Hf, Nb 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.