MPEA Mo1 Nb1 Ta1 Ti1
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Family: High-Entropy Alloy (MPEA)
High-entropy alloy. Phase: BCC. Processing: ANNEAL.
Performance Ratings
Performance Radar
| Property | Rating |
|---|---|
| Strength | 8 / 10 |
| Corrosion Res. | 5 / 10 |
| Lightweight | 3 / 10 |
| Machinability | 3 / 10 |
| Affordability | 5 / 10 |
| Heat Res. | 5 / 10 |
Composition
Mechanical Properties
| Yield Strength | 732.0 MPa |
| Hardness (Brinell) | 419.0 HB |
| Hardness (Rockwell) | |
| Elastic Modulus | 179.0 GPa |
Physical Properties
| Density | 10.000 g/cm³ |
Chemical Composition
| Element | Percentage (%) |
|---|---|
| Mo | 1.0 |
| Nb | 1.0 |
| Ta | 1.0 |
| Ti | 1.0 |
Where to Buy MPEA Mo1 Nb1 Ta1 Ti1
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Description
This medium-entropy alloy (MEA) with nominal composition Mo1 Nb1 Ta1 Ti1 is a predominantly face-centered cubic (FCC) austenitic alloy system within the multi-principal element alloy research space, incorporating molybdenum, niobium, tantalum, and titanium. 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; 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.