Cases Analysis of Nonconformity in Ultrasonic Flaw Detection for Steel Plates

被引：0
|
作者：
Sun Yi-qiang [1 ]
Wu Li-xin [1 ]
Zhang Ping [1 ]
Wang Zhi-fen [1 ]
机构：
[1] Wuhan Iron & Steel Grp Co, Ctr Res & Dev, Wuhan 430080, Peoples R China
来源：
MANUFACTURING SCIENCE AND TECHNOLOGY, PTS 1-3 | 2011年 / 295-297卷
关键词：
steel plates; Nonconformity in ultrasonic flaw detection; cases analysis;
D O I：
10.4028/www.scientific.net/AMR.295-297.917
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The Optical Microscope and Scanning Electron Microscope were used to analyze the causes of Nonconformity in ultrasonic flaw detection for three steel plates. The metallographic and energy spectrum analysis show that the main reasons were inclusions, porosity and cracks respectively, which were caused by the slag inclusion, center porosity and center segregation of the billets. Improving the quality of the steel water and optimizing continuous casting process could reduce the defects, and increase the percent qualified in ultrasonic flaw detection.
引用
收藏
页码：917 / 920
页数：4
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