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Achieving strength and ductility synergy via a nanoscale superlattice precipitate in a cast Mg-Y-Zn-Er alloy

https://doi.org/10.1016/j.ijplas.2023.103558

Fan, Mingyu; Zhang, Zhongwu; Cui, Ye; Liu, Liyuan; Liu, Yingwei; Liaw, Peter K. (April 2023, International Journal of Plasticity)

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Phase transformation via atomic-scale periodic interfacial energy

https://doi.org/10.1016/j.mtphys.2022.100668

Cui, Ye; Zhang, Yang; Sun, Lixin; Feygenson, Mikhail; Fan, Mingyu; Wang, Xun-Li; Liaw, Peter K.; Baker, Ian; Zhang, Zhongwu (May 2022, Materials Today Physics)

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Enhanced strength-ductility synergy via novel bifunctional nano-precipitates in a high-entropy alloy

https://doi.org/10.1016/j.ijplas.2022.103235

Liu, Liyuan; Zhang, Yang; Li, Junpeng; Fan, Mingyu; Wang, Xiyu; Wu, Guangchuan; Yang, Zhongbo; Luan, Junhua; Jiao, Zengbao; Liu, Chain Tsuan; et al (June 2022, International Journal of Plasticity)

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Micromechanical origin of the enhanced ductility in twinless duplex Mg–Li alloy

https://doi.org/10.1016/j.msea.2021.141305

Xie, Di; Lyu, Zongyang; Fan, Mingyu; Chew, Huck Beng; Liaw, Peter K.; Bei, Hongbin; Zhang, Zhongwu; Gao, Yanfei (May 2021, Materials Science and Engineering: A)
null (Ed.)
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Nanoprecipitate‐Strengthened High‐Entropy Alloys

https://doi.org/10.1002/advs.202100870

Liu, Liyuan; Zhang, Yang; Han, Jihong; Wang, Xiyu; Jiang, Wenqing; Liu, Chain‐Tsuan; Zhang, Zhongwu; Liaw, Peter_K (October 2021, Advanced Science)

Abstract Multicomponent high‐entropy alloys (HEAs) can be tuned to a simple phase with some unique alloy characteristics. HEAs with body‐centered‐cubic (BCC) or hexagonal‐close‐packed (HCP) structures are proven to possess high strength and hardness but low ductility. The faced‐centered‐cubic (FCC) HEAs present considerable ductility, excellent corrosion and radiation resistance. However, their strengths are relatively low. Therefore, the strategy of strengthening the ductile FCC matrix phase is usually adopted to design HEAs with excellent performance. Among various strengthening methods, precipitation strengthening plays a dazzling role since the characteristics of multiple principal elements and slow diffusion effect of elements in HEAs provide a chance to form fine and stable nanoscale precipitates, pushing the strengths of the alloys to new high levels. This paper summarizes and review the recent progress in nanoprecipitate‐strengthened HEAs and their strengthening mechanisms. The alloy‐design strategies and control of the nanoscale precipitates in HEAs are highlighted. The future works on the related aspects are outlined.
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