[HTML][HTML] Temperature-dependent, multi-mechanism crystal plasticity reveals the deformation and failure behaviour of multi-principal element alloys

Y Xu, X Lu, X Yang, W Li, Z Aitken, G Vastola… - Journal of the …, 2024 - Elsevier
In this work, we have developed a temperature-dependent, multi-mechanism crystal
plasticity (CP) model aimed at unravelling the deformation and failure resistance of Cantor …

Extra strengthening and Bauschinger effect in gradient high-entropy alloy: A molecular dynamics study

X Du, S Shuang, J Zhao, Z Fu, Q Kan… - International Journal of …, 2024 - Elsevier
The gradient nano-grained (GNG) structures achieve a combination of high strength and
ductility compared with homogeneous nano-grained structures. In order to study the …

[HTML][HTML] Low cycle fatigue behaviors of CrCoNi medium-entropy alloy with different grain sizes

Y Wang, T Yu, Z Wang, L Li, G Yuan, Z Zhang - International Journal of …, 2024 - Elsevier
Low-cycle fatigue behaviors of CrCoNi medium entropy alloy with different grain sizes were
investigated. It is found that grain refinement improved deformation homogeneity to delay …

[HTML][HTML] Annealing-induced hardening in single-phase FCC, equiatomic CrCoNi and non-equiatomic CrCoNiMo medium-entropy alloys

Y Xiao, Y Li, A Kostka, M Rajkowski… - Journal of Materials …, 2024 - Elsevier
A two-step processing route including cold working (primary hardening) followed by
annealing-induced (secondary) hardening is proposed to strengthen single-phase face …

Superior strength-ductility synergy of an oxide-dispersion strengthened CoCrNi-based multi-principal element alloy

Y Zhang, K Lu, F Jiang, Y Chen… - Materials Research …, 2024 - Taylor & Francis
CoCrNi-based multi-principal element alloys (MPEAs) often lack strength at elevated
temperatures. Here, to overcome this deficiency, a novel oxide-dispersion strengthening …

A deformation twin mediated sliding-opening zig-zag fracture mechanism in multi-principal element alloys

Q Zhu, Z Li, S Wei, Y Zhao, U Ramamurty, J Wang… - Acta Materialia, 2024 - Elsevier
Multi-principal element alloys (MPEA) have emerged as a class of high-performance
materials. Of particular interest is the excellent fracture toughness in face-centered cubic …

[HTML][HTML] Design and characterization of (TiZr) 95-xHfxMo5 multi-principal element alloys with excellent properties for biomedical applications

Q Xv, Z Li, W Lai, Z Zhang, X Xu, B Wang, C Zhong… - Materials & Design, 2024 - Elsevier
Developing new bio-metallic materials with improved performance has attracted intensive
research focus over the last decades. In the present work, a new series of (TiZr) 95-x Hf x Mo …

Achieving ultra-strong and ductile CoNi-based FCC multi-principal element alloys via alloying with refractory Mo and W

T Huang, K Lu, F Jiang, X Zhou, Q Zhou, Z Zhang… - Scripta Materialia, 2024 - Elsevier
FCC single-phase multi-principal element alloys (MPEAs) often suffer from insufficient
strength, which limits their wide applications. Here a CoNi-based FCC MPEA (Co 44 Ni 44 …

Unveiling deformation behavior and damage mechanism of irradiated high entropy alloys

S Wang, Y Chen, J Li, B Liu, R Zhang, PK Liaw… - Journal of Materials …, 2024 - Elsevier
The oxide dispersion strengthening (ODS) high entropy alloy (HEA) exhibits the high
elevated temperature performance and radiation resistance due to severe atomic lattice …

Unveiling the precipitation behavior and mechanical properties in G-phase strengthened CrFe2Ni2Ti0. 2Six multi-principal element alloys

Z Wu, Z Wen, J Qin, P Cheng, J Yu, J Tian… - Materials Science and …, 2024 - Elsevier
In order to develop Co-free CrFeNi based multi-principal element alloys (MPEAs) with good
synergies between strength and plasticity, the effects of Si content on the microstructures …