MPEA Co1 Cr0.556 Fe0.667 Ni0.667
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Family: High-Entropy Alloy (MPEA)
High-entropy alloy. Phase: FCC. Processing: WROUGHT.
Performance Ratings
Performance Radar
| Property | Rating |
|---|---|
| Strength | 7 / 10 |
| Corrosion Res. | 7 / 10 |
| Lightweight | 4 / 10 |
| Machinability | 3 / 10 |
| Affordability | 2 / 10 |
| Heat Res. | 9 / 10 |
Composition
Mechanical Properties
| Tensile Strength | 841.0 MPa |
| Yield Strength | 299.0 MPa |
| Elongation | 76.1% |
| Hardness (Rockwell) | |
| Elastic Modulus | 222.0 GPa |
Physical Properties
| Density | 8.300 g/cm³ |
Chemical Composition
| Element | Percentage (%) |
|---|---|
| Co | 1.0 |
| Cr | 0.556 |
| Fe | 0.667 |
| Ni | 0.667 |
Where to Buy MPEA Co1 Cr0.556 Fe0.667 Ni0.667
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Description
This medium-entropy alloy (MEA) with nominal composition Co1 Cr0.556 Fe0.667 Ni0.667 is a predominantly face-centered cubic (FCC) austenitic alloy system within the multi-principal element alloy research space, incorporating cobalt, chromium, iron, and nickel. 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.