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充氢316L不锈钢的缺口敏感性：机械性能退化和断裂力学的实验洞察

Notch Sensitivity of Hydrogen-Charged 316L Stainless Steel: Experimental Insights into Mechanical Degradation and Fracture Mechanics.

作者信息

Hwang Byeong-Kwan, Cha Seung-Joo, Kim Hee-Tae, Lee Seung-Jun, Kim Jeong-Hyeon, Lee Jae-Myung

机构信息

Dept. of Naval Architecture & Ocean Engineering, Pusan National Univ., Busan 46241, Republic of Korea.

Hydrogen Ship Technology Center, Pusan National Univ., Busan 46241, Republic of Korea.

出版信息

Materials (Basel). 2025 Mar 13;18(6):1274. doi: 10.3390/ma18061274.

DOI:10.3390/ma18061274
PMID:40141557
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11943532/
Abstract

Hydrogen is a promising eco-friendly energy source, but its embrittlement effect on structural materials remains a significant challenge. This study investigates the notch sensitivity of 316L stainless steel under in situ electrochemical hydrogen charging, with a focus on mechanical degradation and fracture behavior. By examining the influence of notch geometry and hydrogen exposure, this research highlights the role of stress concentration in hydrogen embrittlement. The findings contribute to understanding hydrogen-induced material failure, offering insights for both industry practitioners in the energy sector and academic researchers. This study also underscores the need for further research on hydrogen-resistant materials and structural safety considerations in hydrogen applications.

摘要

氢是一种很有前景的环保能源，但其对结构材料的脆化作用仍然是一个重大挑战。本研究调查了316L不锈钢在原位电化学充氢条件下的缺口敏感性，重点关注力学性能退化和断裂行为。通过研究缺口几何形状和氢暴露的影响，本研究突出了应力集中在氢脆化中的作用。这些发现有助于理解氢致材料失效，为能源领域的行业从业者和学术研究人员提供了见解。本研究还强调了在耐氢材料和氢应用中的结构安全考虑方面需要进一步研究。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5892/11943532/a77718064510/materials-18-01274-g010.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5892/11943532/d6c34bb35c84/materials-18-01274-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5892/11943532/89fd7fdde658/materials-18-01274-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5892/11943532/45705fc843fc/materials-18-01274-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5892/11943532/e1ac2a2635ff/materials-18-01274-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5892/11943532/f781c40a05a9/materials-18-01274-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5892/11943532/a77718064510/materials-18-01274-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5892/11943532/e0cb970a61d6/materials-18-01274-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5892/11943532/39354e9452a2/materials-18-01274-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5892/11943532/fb34eab621c0/materials-18-01274-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5892/11943532/3d60603ceea4/materials-18-01274-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5892/11943532/d6c34bb35c84/materials-18-01274-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5892/11943532/89fd7fdde658/materials-18-01274-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5892/11943532/45705fc843fc/materials-18-01274-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5892/11943532/e1ac2a2635ff/materials-18-01274-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5892/11943532/f781c40a05a9/materials-18-01274-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5892/11943532/a77718064510/materials-18-01274-g010.jpg

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