Evaluation of the intergranular corrosion in austenitic stainless steel using collinear wave mixing method - 文章详情页

作者：

Jingpin, J. (Jingpin, J..) | Junjun, S. (Junjun, S..) | Guanghai, L. (Guanghai, L..) | Bin, W. (Bin, W..) | Cunfu, H. (Cunfu, H..)

收录：

Scopus

摘要：

Failures　due　to　intergranular　corrosion　in　components　of　austenitic　stainless　steel　have　always　been　a　tough　problem　in　engineering　practice.　In　this　paper,　the　collinear　wave　mixing　was　investigated　to　evaluate　the　intergranular　corrosion　in　austenitic　stainless　steel.　An　acoustic　nonlinearity　parameter　related　to　the　bispectrum,　the　propagation　distance　and　the　amplitudes　of　fundamental　waves　in　measured　signal　is　proposed.　Nonlinear　acoustic　measurements　were　conducted　on　four　tubes　with　different　degree　of　intergranular　corrosion.　The　experimental　results　demonstrated　that　the　proposed　acoustic　nonlinearity　parameter　is　sensitive　to　intergranular　corrosion　in　samples,　and　is　well　correlated　with　the　degree　of　damage.　©　2014　Elsevier　Ltd.　All　rights　reserved.

关键词：

Bispectrum; Collinear wave mixing; Intergranular corrosion; Non-destructive evaluation; Nonlinear ultrasonic

作者机构：

[ 1 ] [Jingpin, J.]Beijing University of Technology, Ping Le Yuan 100#, Chaoyang District, Beijing 100124, China
[ 2 ] [Junjun, S.]Beijing University of Technology, Ping Le Yuan 100#, Chaoyang District, Beijing 100124, China
[ 3 ] [Guanghai, L.]China Special Equipment Inspection and Research Institute, Beijing, 100023, China
[ 4 ] [Bin, W.]Beijing University of Technology, Ping Le Yuan 100#, Chaoyang District, Beijing 100124, China
[ 5 ] [Cunfu, H.]Beijing University of Technology, Ping Le Yuan 100#, Chaoyang District, Beijing 100124, China

通讯作者信息：

[Jingpin, J.]Beijing University of Technology, Ping Le Yuan 100#, China

电子邮件地址：

jiaojp@bjut.edu.cn

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