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 …

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 …

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 …

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 …

Hydrogen resistance of a 1 GPa strong equiatomic CoCrNi medium entropy alloy

CK Soundararajan, H Luo, D Raabe, Z Li - Corrosion Science, 2020 - Elsevier
In this work, we study the influence of hydrogen on the deformation behavior and
microstructure evolution in an equiatomic CoCrNi medium entropy alloy (MEA) with an …

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 …

Grain refinement effect on hydrogen embrittlement resistance of an equiatomic CoCrFeMnNi high-entropy alloy

M Koyama, K Ichii, K Tsuzaki - International Journal of Hydrogen Energy, 2019 - Elsevier
We investigated the grain refinement effect on the resistance to hydrogen embrittlement in
an equiatomic CoCrFeMnNi high-entropy alloy. In a 100 MPa hydrogen gas pre-charging …

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 …

Influence of pre-strain on the gaseous hydrogen embrittlement resistance of a high-entropy alloy

Y Zhao, DH Lee, WJ Kim, MY Seok, JY Kim… - Materials Science and …, 2018 - Elsevier
The effect of pre-strain on the resistance to gaseous hydrogen embrittlement of CoCrFeMnNi
high-entropy alloy (HEA) was investigated through mechanical testing and thermal …