Effects of Hydrogen Charging on Mechanical Properties of CLAM Steel at Different Strain Rates

被引：2

作者：

Gu, Yue-Yang ^{[1
,2
]}

Zhao, Han-Yu ^{[1
,2
]}

Chen, Wei ^{[2
]}

Yan, Wei ^{[2
]}

Xiong, Liang-Yin ^{[2
,3
]}

Chen, De-Min ^{[2
]}

机构：

[1] Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Peoples R China

[2] Chinese Acad Sci, Inst Met Res, Shi Changxu Innovat Ctr Adv Mat, Shenyang 110016, Peoples R China

[3] Chinese Acad Sci, Inst Met Res, CAS Key Lab Nucl Mat & Safety Assessment, Shenyang 110016, Peoples R China

来源：

ACTA METALLURGICA SINICA-ENGLISH LETTERS | 2023年 / 36卷 / 07期

关键词：

China low-activation martensitic (CLAM) steel; Hydrogen embrittlement; Mechanical properties; Hydride; DIFFUSIVE TRANSPORT PARAMETERS; ACTIVATION; DEUTERIUM; EMBRITTLEMENT; TITANIUM; BEHAVIOR; HYDRIDES; STATE;

D O I：

10.1007/s40195-022-01515-2

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

The China low-activation martensitic (CLAM) steel has been proposed as a candidate structural material for nuclear fusion reactors. It is essential to study the influence of hydrogen charging and strain rate on the tensile behavior of CLAM steel considering its service environment. In this study, CLAM steel was investigated using tensile tests operated at room temperature before and after hydrogen charging. The results showed that the elongation loss increased significantly with the increase of the hydrogen charging current density at either a low or a high strain rate, which is related to the hydrogen content in the steel. The hydride was systematically studied, including the morphology and the thermal stability as well as the effects on mechanical properties. The possible mechanism of the formation of hydride during hydrogen charging has been analyzed based on the interaction between alloying elements and hydrogen.

引用

页码：1203 / 1210

页数：8

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