The effects of cold rolling and sensitisation on hydrogen embrittlement of AISI 304L welds

被引：18

作者：

Lai, C. L. ^{[2
]}

Tsay, L. W. ^{[1
]}

Kai, W. ^{[1
]}

Chen, C. ^{[2
]}

机构：

[1] Natl Taiwan Ocean Univ, Inst Mat Engn, Chilung 202, Taiwan

[2] Natl Taiwan Univ, Dept Mat Sci & Engn, Taipei 106, Taiwan

来源：

CORROSION SCIENCE | 2010年 / 52卷 / 04期

关键词：

Stainless steel; TEM; Hydrogen embrittlement; Welding; STRESS-CORROSION CRACKING; AUSTENITIC STAINLESS-STEELS; INDUCED MARTENSITE; ASSISTED CRACKING; MGCL2; SOLUTION; HEAT-TREATMENT; BEHAVIOR; TEMPERATURE; TYPE-304; GROWTH;

D O I：

10.1016/j.corsci.2009.11.029

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The notched tensile strength (NTS) of 304L stainless steel welds subjected to cold rolling (20% thickness reduction) and sensitisation treatment (600 degrees C/10 h) was measured in a MgCl2 (40 wt.%) solution at 80 degrees C. The NTS loss, which is used for comparing the susceptibility to hydrogen embrittlement (HE), was consistent with the extent of embrittled area on the fracture surface of various welds. The HE susceptibility of the weld decreased after cold working but increased with the additional sensitisation treatment of the cold-rolled welds. Besides, cracks tended to propagate along the skeletal boundaries for all welds tested in the MgCl2 solution. (C) 2009 Elsevier Ltd. All rights reserved.

引用

页码：1187 / 1193

页数：7

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