Effect of hydrogen charging time on hydrogen embrittlement of CoCrFeMnNi high-entropy alloy

X Li, Z Feng, X Song, Y Wang, Y Zhang - Corrosion Science, 2022 - Elsevier
The effect of hydrogen on mechanical properties and failure mechanism of a CoCrFeMnNi
high-entropy alloy was evaluated by in/ex-situ tensile tests and electron backscatter …

Role of hydrogen and temperature in hydrogen embrittlement of equimolar CoCrFeMnNi high-entropy alloy

J Lee, H Park, M Kim, HJ Kim, J Suh, N Kang - Metals and Materials …, 2021 - Springer
We investigated the effects of hydrogen and temperature on hydrogen embrittlement (HE) of
cold-rolled equimolar CoCrFeMnNi high-entropy alloy (HEA). The HE exhibited …

Effect of recrystallization annealing treatment on the hydrogen embrittlement behavior of equimolar CoCrFeMnNi high entropy alloy

ZH Fu, BJ Yang, M Chen, GQ Gou, H Chen - International Journal of …, 2021 - Elsevier
Equimolar CoCrFeMnNi high-entropy alloy (HEA) could be effectively strengthened by grain
refinement process. However, the dislocations, grain boundaries and twins determined by …

Hydrogen embrittlement of an interstitial equimolar high-entropy alloy

H Luo, Z Li, W Lu, D Ponge, D Raabe - Corrosion Science, 2018 - Elsevier
We investigated the hydrogen embrittlement mechanism in an interstitially carbon alloyed
equimolar CoCrFeMnNi high-entropy alloy (HEA) through low strain rate tensile testing …

Hydrogen-assisted failure in partially recrystallized carbon alloyed equiatomic CoCrFeMnNi high-entropy alloy

H Luo, Z Pan, X Wang, H Cheng, AA Nazarov, X Li - Corrosion Science, 2022 - Elsevier
We investigated the hydrogen-assisted failure behavior of partially recrystallized carbon
alloyed equiatomic CoCrFeMnNi high-entropy alloys. Microstructural evolution in the vicinity …

Hydrogen-enhanced compatibility constraint for intergranular failure in FCC FeNiCoCrMn high-entropy alloy

KM Bertsch, KE Nygren, S Wang, H Bei, A Nagao - Corrosion Science, 2021 - Elsevier
The fundamental mechanism of hydrogen embrittlement was investigated in the high-
entropy alloy FeNiCoCrMn using slow strain rate tensile tests with and without internal …

Hydrogen embrittlement and associated surface crack growth in fine-grained equiatomic CoCrFeMnNi high-entropy alloys with different annealing temperatures …

H Wang, M Koyama, T Hojo, E Akiyama - International Journal of Hydrogen …, 2021 - Elsevier
The effect of the annealing temperature after cold rolling on hydrogen embrittlement
resistance was investigated with a face-centered cubic (FCC) equiatomic CoCrFeMnNi high …

Effect of Mo doping on the gaseous hydrogen embrittlement of a CoCrNi medium-entropy alloy

J Yi, X Zhuang, J He, M He, W Liu, S Wang - Corrosion Science, 2021 - Elsevier
By using slow-strain-rate tensile test and post-mortem characterization of microstructure and
fractography, we found that Mo-doping can simultaneously improve the strength and …

Resistance of CoCrFeMnNi high-entropy alloy to gaseous hydrogen embrittlement

Y Zhao, DH Lee, MY Seok, JA Lee, MP Phaniraj… - Scripta Materialia, 2017 - Elsevier
The influence of hydrogen on the mechanical behavior of the CoCrFeMnNi high-entropy
alloy (HEA) was examined through tensile and nanoindentation experiments on specimens …

Influence of hydrogen behaviors on tensile properties of equiatomic FeCrNiMnCo high-entropy alloy

T Zhu, ZH Zhong, XL Ren, YM Song, FJ Ye… - Journal of Alloys and …, 2022 - Elsevier
This study reports the effect of hydrogen behaviors on the tensile properties of an equiatomic
FeCrNiMnCo high-entropy alloy. We reveal that the hydrogen at the interfaces (including …