Abnormal effect of nitrogen on hydrogen gas embrittlement of austenitic stainless steels at low temperatures

被引：36

作者：

Zhou, Chengshuang ^{[1
]}

Hong, Yuanjian ^{[1
]}

Zhang, Lin ^{[1
]}

An, Bai ^{[2
]}

Zheng, Jinyang ^{[3
]}

Chen, Xingyang ^{[1
]}

机构：

[1] Zhejiang Univ Technol, Inst Mat Forming & Control Engn, Hangzhou 310014, Zhejiang, Peoples R China

[2] Natl Inst Adv Ind Sci & Technol, 16-1 Onogawa, Tsukuba, Ibaraki 3058569, Japan

[3] Zhejiang Univ, Inst Proc Equipment, Hangzhou 310027, Zhejiang, Peoples R China

来源：

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2016年 / 41卷 / 31期

基金：

中国国家自然科学基金;

关键词：

Stainless steel; Hydrogen embrittlement; Nitrogen; Hydrogen transport; Dislocation; Low temperature; SHORT-RANGE ORDER; HIGH-PRESSURE; BRITTLE-FRACTURE; CO2; EMISSIONS; MECHANICAL-PROPERTIES; ELECTRON-STRUCTURE; YIELD STRENGTH; STORAGE-SYSTEM; DISLOCATIONS; DEPENDENCE;

D O I：

10.1016/j.ijhydene.2016.06.100

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Hydrogen gas embrittlement (HGE) of nitrogen alloyed 316 series austenitic stainless steels was investigated in the temperature range from 80 K to 300 K. Nitrogen and nickel have the same stabilizing ability for austenite, while they show different effect on HGE. Above 200 K, both nitrogen and nickel weaken HGE with decreasing strain induced alpha' martensite, but HGE of nitrogen alloyed steels is severer than that of nickel alloyed steels in the case of the same a' martensite content. At 150 K, almost no HGE is found in nickel alloyed 316 steels, while nitrogen causes an abnormal increase of HGE at 150 K. There are two factors influencing HGE in nitrogen alloyed 316 steels at low temperatures: one is planar slip caused by nitrogen; the other is hydrogen transport by dislocations in the localized shear slip band. It is evident that nitrogen-induced planar slip plays an important role in HGE of nitrogen alloyed 316 steels at low temperatures. (C) 2016 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.

引用

页码：13777 / 13785

页数：9

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