Complex strengthening mechanisms in the NbMoTaW multi-principal element alloy

XG Li, C Chen, H Zheng, Y Zuo, SP Ong - npj Computational Materials, 2020 - nature.com
Refractory multi-principal element alloys (MPEAs) have exceptional mechanical properties,
including high strength-to-weight ratio and fracture toughness, at high temperatures. Here …

Multi-scale investigation of short-range order and dislocation glide in MoNbTi and TaNbTi multi-principal element alloys

H Zheng, LTW Fey, XG Li, YJ Hu, L Qi… - npj Computational …, 2023 - nature.com
Refractory multi-principal element alloys (RMPEAs) are promising materials for high-
temperature structural applications. Here, we investigate the role of short-range ordering …

Multiplicity of dislocation pathways in a refractory multiprincipal element alloy

F Wang, GH Balbus, S Xu, Y Su, J Shin, PF Rottmann… - Science, 2020 - science.org
Refractory multiprincipal element alloys (MPEAs) are promising materials to meet the
demands of aggressive structural applications, yet require fundamentally different avenues …

Maximum strength and dislocation patterning in multi–principal element alloys

P Cao - Science advances, 2022 - science.org
Multi–principal element alloys (MPEAs) containing three or more components in high
concentrations render a tunable chemical short-range order (SRO). Leveraging large-scale …

Correlating dislocation mobility with local lattice distortion in refractory multi-principal element alloys

B Chen, S Li, J Ding, X Ding, J Sun, E Ma - Scripta Materialia, 2023 - Elsevier
Multi-principal element alloys (MPEAs) exhibit different degrees of intrinsic lattice distortion,
which varies with constituent species. Using atomistic simulations, here we found the …

Heterogeneous lattice strain strengthening in severely distorted crystalline solids

J Li, Y Chen, Q He, X Xu, H Wang… - Proceedings of the …, 2022 - National Acad Sciences
Multi–principal element alloys (MPEAs) exhibit outstanding mechanical properties because
the core effect of severe atomic lattice distortion is distinctly different from that of traditional …

Design of refractory multi-principal-element alloys for high-temperature applications

G Ouyang, P Singh, R Su, DD Johnson… - npj Computational …, 2023 - nature.com
Refractory multi-principal-element alloys (RMPEAs) exhibit high specific strength at elevated
temperatures (T). However, current RMPEAs lack a balance of room-temperature (RT) …

Severe local lattice distortion in Zr-and/or Hf-containing refractory multi-principal element alloys

Y Tong, S Zhao, H Bei, T Egami, Y Zhang, F Zhang - Acta Materialia, 2020 - Elsevier
Whereas exceptional mechanical and radiation performances have been found in the
emergent body-centered cubic (BCC) refractory multi-principal element alloys (RMPEAs) …

Negative mixing enthalpy solid solutions deliver high strength and ductility

Z An, A Li, S Mao, T Yang, L Zhu, R Wang, Z Wu… - Nature, 2024 - nature.com
Body-centred cubic refractory multi-principal element alloys (MPEAs), with several refractory
metal elements as constituents and featuring a yield strength greater than one gigapascal …

Hierarchical multiscale crystal plasticity framework for plasticity and strain hardening of multi-principal element alloys

Q Fang, W Lu, Y Chen, H Feng, PK Liaw, J Li - Journal of the Mechanics …, 2022 - Elsevier
The multi-principal element alloys (MPEAs) exhibit the unprecedented combinations of the
excellent mechanical properties, especially high strength and good ductility. However, the …