MPEA Cr1 Ta1 V1 W1
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Famille: High-Entropy Alloy (MPEA)
High-entropy alloy. Phase: other. Processing: POWDER.
Notations de performance
Performance Radar
| Propriété | Rating |
|---|---|
| Strength | 8 / 10 |
| Corrosion Res. | 5 / 10 |
| Lightweight | 2 / 10 |
| Machinability | 3 / 10 |
| Affordability | 5 / 10 |
| Heat Res. | 5 / 10 |
Composition
Propriétés mécaniques
| Limite d'élasticité | 1653.0 MPa |
| Allongement | 1.5% |
| Dureté (Brinell) | 715.0 HB |
| Dureté (Rockwell) |
Propriétés physiques
| Densité | 13.000 g/cm³ |
Composition chimique
| Élément | Pourcentage (%) |
|---|---|
| V | 1,0 |
| W | 1,0 |
| Cr | 1,0 |
| Ta | 1,0 |
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Description
This medium-entropy alloy (MEA) with nominal composition Cr1 Ta1 V1 W1 is a predominantly face-centered cubic (FCC) austenitic alloy system within the multi-principal element alloy research space, incorporating chromium, tantalum, vanadium, and tungsten. 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. Investigated applications include high-temperature structural applications, advanced gas turbine components, nuclear energy systems, and refractory coating materials.