Table 2 Results for mechanical properties (bulk: B, shear: G, and elastic moduli: E, and Vickers hardness: HV) for six single-phase high-entropy carbides
From: High-entropy high-hardness metal carbides discovered by entropy descriptors
B | G | E | H v,Chen | H v,Teter | H v,Tian | H v,exp | ||||
---|---|---|---|---|---|---|---|---|---|---|
System | AFLOW (ROM) | Exp. (ROM) | AFLOW (ROM) | Exp. (ROM) | AFLOW (ROM) | Exp. (ROM) | AFLOW (ROM) | AFLOW (ROM) | AFLOW (ROM) | Exp. (ROM) |
MoNbTaVWC5 | 312 (321) | 278 (−) | 183 (183) | 226 (−) | 460 (459) | 533 ± 32 (−) | 20 (20) | 28 (28) | 20 (20) | 27 ± 3 (−) |
HfNbTaTiZrC5 | 262 (267) | 235 (232) | 192 (165) | 188 (184) | 464 (455) | 443 ± 40 (436 ± 30) | 27 (25) | 29 (28) | 27 (25) | 32 ± 2 (23 ± 2) |
HfNbTaTiVC5 | 276 (279) | 267 (239) | 196 (196) | 212 (189) | 475 (476) | 503 ± 40 (449 ± 30) | 26 (26) | 30 (30) | 26 (26) | 29 ± 3 (24 ± 2) |
HfNbTaTiWC5 | 291 (296) | 252 (−) | 203 (186) | 205 (−) | 493 (459) | 483 ± 24 (−) | 26 (22) | 31 (28) | 26 (22) | 31 ± 2 (−) |
NbTaTiVWC5 | 305 (304) | 253 (−) | 199 (189) | 206 (−) | 490 (460) | 485 ± 36 (−) | 24 (22) | 30 (29) | 24 (23) | 28 ± 2 (−) |
HfTaTiWZrC5 | 274 (280) | 246 (−) | 191 (178) | 200 (−) | 466 (438) | 473 ± 26 (−) | 25 (21) | 29 (27) | 25 (21) | 33 ± 2 (−) |