[HTML][HTML] Recent progress in the CoCrNi alloy system

S Bajpai, BE MacDonald, TJ Rupert, H Hahn… - Materialia, 2022 - Elsevier
The exceptional mechanical properties, particularly at cryogenic temperatures, of the
equiatomic CoCrNi alloy are documented in numerous published studies. Similar to the …

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

L Liu, Y Zhang, J Li, M Fan, X Wang, G Wu… - International Journal of …, 2022 - Elsevier
High-entropy alloys (HEAs) with a single-phased face-centered-cubic structure possess
excellent plasticity but generally low strength. Precipitation strengthening is one of the most …

Dislocation mechanisms and 3D twin architectures generate exceptional strength-ductility-toughness combination in CrCoNi medium-entropy alloy

Z Zhang, H Sheng, Z Wang, B Gludovatz… - Nature …, 2017 - nature.com
Combinations of high strength and ductility are hard to attain in metals. Exceptions include
materials exhibiting twinning-induced plasticity. To understand how the strength-ductility …

Novel Co-rich high performance twinning-induced plasticity (TWIP) and transformation-induced plasticity (TRIP) high-entropy alloys

D Wei, X Li, J Jiang, W Heng, Y Koizumi, WM Choi… - Scripta Materialia, 2019 - Elsevier
The equiatomic CoCrMnNiFe high-entropy alloy (HEA) has attracted much attention owing
to its exceptional mechanical properties. Here, we designed novel face-centered cubic (fcc) …

Bidirectional transformation enables hierarchical nanolaminate dual‐phase high‐entropy alloys

W Lu, CH Liebscher, G Dehm, D Raabe… - Advanced …, 2018 - Wiley Online Library
Microstructural length‐scale refinement is among the most efficient approaches to
strengthen metallic materials. Conventional methods for refining microstructures generally …

[HTML][HTML] Dislocation plasticity reigns in a traditional twinning-induced plasticity steel by in situ observation

X Fu, X Wu, Q Yu - Materials Today Nano, 2018 - Elsevier
To twin or not to twin? The critical doubt emerges recently on the dominant role of
deformation twinning in contributing to strain hardening and plasticity, which has been long …

Novel Co-rich high entropy alloys with superior tensile properties

D Wei, X Li, W Heng, Y Koizumi, F He… - Materials Research …, 2019 - Taylor & Francis
We developed a series of Co-rich CoxCr25 (FeNi) 75− x (x= 35, 45, 55, 65) high entropy
alloys with improved strength and/or ductility, derived from lowering the stacking fault energy …

Additive manufacturing of a martensitic Co–Cr–Mo alloy: Towards circumventing the strength–ductility trade-off

Z Wang, SY Tang, S Scudino, YP Ivanov, RT Qu… - Additive …, 2021 - Elsevier
Abstract A Co–Cr–Mo alloy with predominantly martensitic structure was prepared by
selective laser melting (SLM), where the amount of martensite formed in the SLM specimens …

Effects of carbon and molybdenum on the nanostructural evolution and strength/ductility trade-off in Fe40Mn40Co10Cr10 high-entropy alloys

MS Rizi, H Minouei, BJ Lee, MR Toroghinejad… - Journal of Alloys and …, 2022 - Elsevier
The effects of carbon and molybdenum on the strain-induced nanostructural evolution and
strength-ductility trade-off in Fe 40 Mn 40 Co 10 Cr 10, Fe 39.5 Mn 40 Co 10 Cr 10 C 0.5 …

Effect of heat-treatment temperature on microstructures and mechanical properties of Co–Cr–Mo alloys fabricated by selective laser melting

Y Kajima, A Takaichi, N Kittikundecha… - Materials Science and …, 2018 - Elsevier
Selective laser melting (SLM) has attracted considerable attention as an advanced method
for the fabrication of biomedical devices. However, SLM-manufactured parts easily …