摘要
文中介绍了聚乙烯管热熔焊接原理与聚乙烯管热熔接头的常见缺陷,详细分析了聚乙烯燃气管热熔接头的几种无损检测方法:超声检测(常规超声波检测、超声相控阵检测、非线性超声波检测技术)、太赫兹检测、X射线检测和红外热成像等,讨论了各种无损检测技术理论及优缺点,总结了最新的研究进展。
This article introduces the principle of polyethylene pipe hot melt welding and common defects of polyethylene pipe hot melt joints.It analyzes in detail several non-destructive testing methods for polyethylene gas pipe hot melt joints:ultrasonic testing(conventional ultrasonic testing,ultrasonic phased array testing,nonlinear ultrasonic testing technology),terahertz testing,X-ray testing,and infrared thermal imaging.It discusses the theories and advantages and disadvantages of various non-destructive testing technologies,Summarized the latest research progress.
作者
方学锋
周楠
张伯君
于永亮
Fang Xuefeng;Zhou Nan;Zhang Bojun;Yu Yongliang(Nanjing Boiler&Pressure Vessel Inspection Institute,Nanjing 210019,China;Key Laboratory of the Oil&Gas Pipeline Inspection and Safety Technology for Jiangsu Province Market Regulation,Nanjing 210019,China)
出处
《炼油与化工》
CAS
2023年第3期11-14,共4页
Refining And Chemical Industry
基金
2021年江苏省市场监督管理局科技计划项目“聚乙烯PE管熔接接头非线性超声无损检测方法研究”(编号KJ21125072)。
关键词
聚乙烯
热熔接头
缺陷
无损检测
Polyethylene
hot melt joint
defect
non-destructive testing
