摘要
针对Z向钢板探伤不合格的现象,通过低倍、金相、Z向拉伸试验等检验,探讨了缺陷产生的原因。结果表明,钢中氢含量高是导致探伤不合格的主要原因。通过采取措施,提高了探伤合格率。
The causes of ultrasonic test defects in Z-direction steel plate in Shougang were investigated by means of macroscopic test, metallographic inspection and Z-direction tensile, ect. The results show that high hydrogen content mainly induces the ultrasonic test defects. The percent of ultrasonic test pass was increased after the measures were taken.
出处
《钢铁》
CAS
CSCD
北大核心
2009年第7期58-61,共4页
Iron and Steel
关键词
Z向钢板
探伤缺陷
白点
Z-direction steel plate
ultrasonic tested defect
flake
