摘要
介绍了大棒材电磁超声探伤仪的设备结构、功能和工作原理,与常规压电超声相比,电磁超声探伤仪具有调整简便、适应温度范围广、无需耦合剂等优点,在大棒材自动无损检测领域逐渐占据重要地位。
The structure,function and working principle of electromagnetic ultrasonic flaw detector for large bars were introduced,and compared with conventional piezoelectric ultrasonic,the electromagnetic ultrasonic flaw detector has the advantages of simple adjustment,wide adaptation temperature range,no coupling agent,and gradually occupied the important position in the field of automatic non-destructive testing of large bars.
出处
《莱钢科技》
2015年第5期56-58,60,共4页
Laigang Science & Technology
关键词
棒材
电磁超声
压电超声
缺陷
自动
bars
electromagnetic ultrasonic
piezoelectric ultrasonic
defects
automatic