MPEA Co0.139 Cr0.446 Cu0.99 Ni1 Si0.277
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Family: High-Entropy Alloy (MPEA)
High-entropy alloy. Phase: other. Processing: WROUGHT.
Performance Ratings
Performance Radar
Composition
Mechanical Properties
| Tensile Strength | 810.0 MPa |
| Yield Strength | 777.0 MPa |
| Elongation | 3.4% |
| Hardness (Brinell) | 147.4 HB |
| Hardness (Rockwell) |
Physical Properties
| Density | 7.600 g/cm³ |
Chemical Composition
| Element | Percentage (%) |
|---|---|
| Co | 0.139 |
| Cr | 0.446 |
| Cu | 0.99 |
| Ni | 1.0 |
| Si | 0.277 |
Where to Buy MPEA Co0.139 Cr0.446 Cu0.99 Ni1 Si0.277
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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.