[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 …

Strategies for Achieving Strength–Ductility Synergy in Face‐Centered Cubic High‐and Medium‐Entropy Alloys

D Han, S Cai, W Sun, B Yang… - Advanced Engineering …, 2023 - Wiley Online Library
High‐and medium‐entropy alloys (HEAs/MEAs), also called as multicomponent alloys, are a
new class of materials that break through the traditional alloy design concept based on …

High density of strong yet deformable intermetallic nanorods leads to an excellent room temperature strength-ductility combination in a high entropy alloy

B Gwalani, S Dasari, A Sharma, V Soni, S Shukla… - Acta Materialia, 2021 - Elsevier
This paper introduces a new microstructural template for high entropy alloys (HEAs), where
the face centered cubic (FCC) complex concentrated solid solution is reinforced with a high …

On the faulting and twinning mediated strengthening and plasticity in a γʹ strengthened CoNi-based superalloy at room temperature

P Pandey, M Heczko, N Khatavkar, N Mazumder… - Acta Materialia, 2023 - Elsevier
Microscopic defects and their mutual interactions are fundamentally important in deciding
the load carrying capacity of structural materials. In this context, the present work reports an …

Composition-dependent slip planarity in mechanically-stable face centered cubic complex concentrated alloys and its mechanical effects

F He, S Wei, JL Cann, Z Wang, J Wang, CC Tasan - Acta Materialia, 2021 - Elsevier
In metallic materials, enhancing strain hardening capacity positively affects ductility, fracture
toughness, ultimate tensile strength, and other properties. Thus, activating mechanically …

Achieving excellent strength-ductility synergy in twinned NiCoCr medium-entropy alloy via Al/Ta co-doping

DD Zhang, H Wang, JY Zhang, H Xue, G Liu… - Journal of Materials …, 2021 - Elsevier
Alloying is an effective strategy to tailor microstructure and mechanical properties of metallic
materials to overcome the strength-ductility trade-off dilemma. In this work, we combined a …

Ordering effects on deformation substructures and strain hardening behavior of a CrCoNi based medium entropy alloy

J Miao, C Slone, S Dasari, M Ghazisaeidi, R Banerjee… - Acta Materialia, 2021 - Elsevier
A CrCoNi based medium entropy alloy with small additions of Ti, Al and Nb (denoted as
(CrCoNi) 93 Al 4 Ti 2 Nb) in the as-quenched condition, exhibits tensile properties …

Combined strengthening from nanoprecipitates, stacking faults and nano-twins enables a strong and ductile medium-entropy alloy

B Li, K Ming, K Tu, Z Li, L Bai, S Zheng - Materials Science and …, 2023 - Elsevier
Single-phase face-centered cubic (fcc) alloys typically exhibit remarkable strain-hardening
capability and large ductility but possess low yield strength. Conventional strengthening …

Precipitation phase and twins strengthening behaviors of as-cast non-equiatomic CoCrFeNiMo high entropy alloys

X Gao, T Liu, X Zhang, H Fang, G Qin… - Journal of Alloys and …, 2022 - Elsevier
To regulate multiple strengthening behaviors of as-cast high entropy alloys (HEAs) with a
single phase face centered cubic (FCC) structure, the Mo element has been alloyed to the …

[HTML][HTML] Theory of twin strengthening in fcc high entropy alloys

RE Kubilay, WA Curtin - Acta Materialia, 2021 - Elsevier
Abstract Twinning in fcc High Entropy Alloys (HEAs) has been implicated as a possible
mechanism for hardening that enables enhanced ductility. Here, a theory for the twinning …