Non-destructive testing of materials subject to atmospheric stress corrosion cracking

被引：3

作者：

Van Dalen, M. ^{[1
]}

Wicker, C. ^{[2
]}

Wilson, G. J. ^{[2
]}

机构：

[1] So African Inst Welding, Johannesburg, South Africa

[2] Eskom, Cape Town, South Africa

来源：

INSIGHT | 2009年 / 51卷 / 04期

关键词：

Atmospheric stress corrosion cracking; detection by liquid penetrant inspection;

D O I：

10.1784/insi.2009.51.4.201

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

In-service inspection revealed atmospheric stress corrosion cracking (ASCC) on 304L stainless steel piping. The method requiring inspection quantification was a surface method, namely penetrant testing (PT), (is physical dimensions of the smallest flaw requiring detection by PT was ill defined for both pitting and cracking defects. Qualification was considered in terms of flaw volume together with absolute flaw linear dimensions. Inspection qualification would, therefore, determine the adequacy of the applied technique by both physical reasoning and by empirical measurement to determine the largest flaw that could escape detection.

引用

页码：201 / 206

页数：6

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