Hydrogen embrittlement of stainless steel overlay materials for hydrogenators

被引：16
作者：
Hardie, D
Xu, J
Charles, EA
Wei, Y
机构：
[1] Univ Newcastle Upon Tyne, Corros Res Ctr, Dept Mech Mat & Mfg Engn, Newcastle Upon Tyne NE1 7RU, Tyne & Wear, England
[2] China Inst Metrol, Hangzhou 3100034, Peoples R China
[3] Shanghai Res Inst Mat, Shanghai 200437, Peoples R China
来源：
CORROSION SCIENCE | 2004年 / 46卷 / 12期
关键词：
hydrogenators; stainless steels; hydrogen embrittlement; welding;
D O I：
10.1016/j.corsci.2004.03.017
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
An investigation was carried out of the effect of hydrogen absorption on the tensile ductility of composite specimens representing stainless steel weld overlays on low alloy steel substrates as used in the fabrication of hydrogenators. Specimens of the two stainless steels (AlSl 309 and 347) involved in hydrogen cracking were also fractured in tension at strain rates between 5.9 x 10(-6) and 1.5 x 10(-3) s(-1) after thermal charging with hydrogen. Results indicated that only the 347 samples suffered significant embrittlement by hydrogen and the original ductility could be restored by subsequent annealing for a time and temperature determined by the hydrogen diffusivity. (C) 2004 Elsevier Ltd. All rights reserved.
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页码：3089 / 3100
页数：12
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