Table 1 Yield strength, peak strength and plastic strain at different temperatures of the TiNbMoTaW, NbMoTaW, TiVNbMoTaW and VNbMoTaW HEAs [31, 32]
From: Research Progress of Refractory High Entropy Alloys: A Review
Alloy/properties | TiNbMo- TaW | NbMo- TaW | TiVNb- MoTaW | VNbMo- TaW | ||
|---|---|---|---|---|---|---|
1 | σ0.2(MPa) | 1343 | 1058 | 1515 | 1246 | |
σp(MPa) | 2005 | 1211 | 2135 | 1270 | ||
εp(%) | 14.1 | 2.6 | 10.6 | 1.7 | ||
2 | σ0.2(MPa) | 689 | 561 | 973 | 862 | |
σp(MPa) | 1681 | – | 1590 | 1597 | ||
εp(%) | 35.4 | >20 | 18.8 | 13 | ||
3 | σ0.2(MPa) | 674 | 552 | 791.3 | 846 | |
σp(MPa) | 1618 | – | 1180 | 1536 | ||
εp(%) | 46.6 | >20 | 9.4 | 16 | ||
4 | σ0.2(MPa) | 620 | 548 | 752.8 | 842 | |
σp(MPa) | 1426 | 1008 | 1105 | 1454 | ||
εp(%) | 35.5 | >20 | 23.7 | 19 | ||
5 | σ0.2(MPa) | 586 | 506 | 659 | 735 | |
σp(MPa) | 814 | 803 | 696 | 943 | ||
εp(%) | 10.2 | >20 | 8.4 | 8 | ||
1400℃ | σ0.2(MPa) | – | 421 | – | 656 | |
σp(MPa) | – | – | – | – | ||
εp(%) | – | >40 | – | 18 | ||
1600℃ | σ0.2(MPa) | – | 405 | – | 477 | |
σp(MPa) | – | – | – | – | ||
εp(%) | – | >40 | – | 13 | ||