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Synergistic Effects of Stress and Grain Boundary on the Hydrogen Diffusion in Polycrystalline α-Iron

delete2026-04-23
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OA
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李常有 (Changyou Li)
Y
Yihan Nie
B
Bin Dong
占海飞 (Haifei Zhan) *
C
Chaofeng Lü *
DOI:10.1016/j.mtcomm.2026.115242delete
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Abstract

Abstract

En 中文
• MD simulations reveal distinct H diffusion under triaxial vs. uniaxial stress in α-Fe. • Tensile stress promotes H diffusion while compressive stress inhibits it. • Low-angle grain boundaries enhance H diffusion; high-angle GBs reduce H diffusion rate. • Stress-microstructure synergy provides insights for H embrittlement-resistant Fe alloys
Keywords:
Hydrogen Diffusion
Uniform Grain Size
Stress State Effects
Grain Boundary Misorientation
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Journal

Materials Today Communications cover
Materials Today Communications
IF:
4.5
Papers:
1.5W
Citations:
3.7W

Organization

N
Ningbo University
Scholars:
2.6W
Papers: 1.8W
Citations: 2.4W
Z
zhejiang university
Scholars:
17.1W
Papers: 11.9W
Citations: 152