Hydrogen trapping and hydrogen embrittlement in 15-5PH stainless steel

被引：16
作者：
Yan, Qian [1 ,2 ]
Yan, Luchun [2 ]
Pang, Xiaolu [1 ,2 ]
Gao, Kewei [1 ,2 ]
机构：
[1] Univ Sci & Technol Beijing, Beijing Adv Innovat Ctr Mat Genome Engn, Beijing 100083, Peoples R China
[2] Univ Sci & Technol Beijing, Sch Mat Sci & Engn, Beijing 100083, Peoples R China
来源：
CORROSION SCIENCE | 2022年 / 205卷
基金：
中国国家自然科学基金;
关键词：
Cu precipitations; Hydrogen embrittlement; Hydrogen diffusion coefficient; Hydrogen content; ASSISTED CRACKING; CU; PRECIPITATION; STRENGTH; FRACTURE; MECHANISM; BEHAVIOR; MICROSTRUCTURE; PERMEATION; DESORPTION;
D O I：
10.1016/j.corsci.2022.110416
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The hydrogen trapping capability and the effect on hydrogen embrittlement (HE) of Cu precipitations of the aged martensitic stainless steel were studied. The results shows that the hydrogen diffusion coefficient of specimens containing Cu precipitations reduced by an order of magnitude and the hydrogen content greatly increased. The peak-aged specimens (1 h) having the highest HE susceptibility was due to abundant hydrogen trapped by Cu precipitations coherent with matrix and escaped from the traps of Cu precipitations during tensile process. While Cu precipitations semi-coherent with matrix might have higher hydrogen trapping capability and reduce the HE sensitivity. Data Availability: The raw/processed data required to reproduce these findings cannot be shared at this time as the data also forms part of an ongoing study.
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页数：11
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