Suppressing hydrogen embrittlement of selective laser melted maraging steel by tailoring the coherency and morphology of w precipitates

被引：0
|
作者：
Zhang, Shiqi [1 ]
Ma, Cong [1 ]
Jiang, Mao [1 ]
Zhou, Nan [2 ]
Liu, Jing [1 ,3 ]
Huang, Feng [1 ]
机构：
[1] Wuhan Univ Sci & Technol, State Key Lab Refractories & Met, Wuhan 430081, Hubei, Peoples R China
[2] Chinese Acad Sci, Inst Met Res, 72 Wenhua Rd, Shenyang 110016, Peoples R China
[3] Shenzhen Univ, Coll Mat Sci & Engn, Shenzhen 518060, Peoples R China
来源：
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 2025年 / 923卷
基金：
中国国家自然科学基金;
关键词：
A. hydrogen embrittlement; B. maraging steel; C. w precipitates; D. selective laser melting;
D O I：
10.1016/j.msea.2024.147711
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The dependence of hydrogen embrittlement (HE) on the w precipitate characteristics in selective laser melted maraging steel was reported. Specifically, spherical coherent w precipitates promoted HE by precipitationstrengthening and reversible hydrogen trapping effect. Contrarily, plate-like semi-coherent w precipitates inhibited HE by providing irreversible H-traps and inhibiting hydrogen-enhanced localized plasticity.
引用
收藏
页数：6
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