MPEA Co0.139 Cr0.446 Cu0.99 Ni1 Si0.277
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Famille: High-Entropy Alloy (MPEA)
High-entropy alloy. Phase: other. Processing: WROUGHT.
Notations de performance
Performance Radar
| Propriété | Rating |
|---|---|
| Strength | 7 / 10 |
| Corrosion Res. | 8 / 10 |
| Lightweight | 5 / 10 |
| Machinability | 3 / 10 |
| Affordability | 2 / 10 |
| Heat Res. | 9 / 10 |
Composition
Propriétés mécaniques
| Résistance à la traction | 810.0 MPa |
| Limite d'élasticité | 777.0 MPa |
| Allongement | 3.4% |
| Dureté (Brinell) | 147.4 HB |
| Dureté (Rockwell) |
Propriétés physiques
| Densité | 7.600 g/cm³ |
Composition chimique
| Élément | Pourcentage (%) |
|---|---|
| Co | 0,139 |
| Cr | 0,446 |
| Cu | 0,99 |
| Ni | 1,0 |
| Si | 0,277 |
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Description
This high-entropy alloy (HEA) with nominal composition Co0.139 Cr0.446 Cu0.99 Ni1 Si0.277 is a predominantly face-centered cubic (FCC) austenitic alloy system within the multi-principal element alloy research space, incorporating Co, Cr, Cu and 2 additional elements. Key properties include good strength-ductility balance, high fracture toughness especially at cryogenic temperatures, and moderate corrosion resistance. Investigated applications include cryogenic structural components, alloy design research platforms, and high-entropy coating systems.