December 4, 2025Ironmaking & Steelmaking Processes Products and Applications

Probing the impact of structure on hydrogen embrittlement in ultra-high strength Cr–Mn–N austenitic stainless steels: study of the cold-deformed structure versus fine-grained structure

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High dislocation density in cold-rolled specimens increases susceptibility to hydrogen embrittlement and crack propagation.
Hydrogen embrittlement measured at 30.13 ppm in cold-rolled samples resulted in 46.4% elongation loss due to micro-structural factors.
Fine-grained austenitic stainless steel with lower hydrogen content showed superior performance with only 16.98 ppm hydrogen retention.
Strain-induced effects in materials are critical for understanding hydrogen interaction and mechanical behavior.

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Implication

Analysis reveals that hydrogen embrittlement varies with micro-structure in austenitic stainless steels, indicating potential for enhanced material performance.

Cite This Study

Ke et al. (2025) studied this question.

synapsesocial.com/papers/6930e8b6ea1aef094cca2f36 https://doi.org/10.1177/03019233251398063

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Implication

Analysis reveals that hydrogen embrittlement varies with micro-structure in austenitic stainless steels, indicating potential for enhanced material performance.

Probing the impact of structure on hydrogen embrittlement in ultra-high strength Cr–Mn–N austenitic stainless steels: study of the cold-deformed structure versus fine-grained structure

Key Points

Discussion

Implication

Cite This Study

Probing the impact of structure on hydrogen embrittlement in ultra-high strength Cr–Mn–N austenitic stainless steels: study of the cold-deformed structure versus fine-grained structure

Key Points

Discussion

Implication

Cite This Study

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