摘要
本文分析了石油天然气管道焊缝的主要缺陷,介绍了常用的三种超声探伤方法,并对自动超声探伤做了简要的阐述。
This paper describes the main defects of oil and gas pipeline welding. It introduces three ultrasonic testing methods along with automatic ultrasonic flaw detection.
出处
《石化技术》
CAS
2015年第11期31-,65,共2页
Petrochemical Industry Technology
关键词
超声探伤
焊缝
缺陷
衍射时差法
ultrasonic inspection
weld seam
defect
time of flight diffraction
