玻璃钢管的微波无损检测技术

Microwave Non-destructive Testing for Glass Fiber Reinforced Plastic Pipes

目前,玻璃钢管道以它独特的材料性能优势广泛应用于油气田地面工程的油气集输、供水、注水等工程建设中。由于缺乏有效的无损检测方法,可能造成玻璃钢管某些制造安装缺陷潜藏。玻璃钢管若出现一定的质量缺陷,会给生产运行带来一定的安全隐患。微波检测是一种新型的非金属管材无损检测方法,本文论述了微波无损检测的原理及主要特点,通过具体案例,介绍了该技术在玻璃钢管检测中的实际应用。该技术虽然是较为先进的玻璃钢管无损检测方法,可以分辨出具体的缺陷类型和尺寸,但是,如何对各种缺陷进行分级及评价还需要进一步研究。

At present,Glass Fiber Reinforced Plastic Pipes(GRP)are widely used in oil and gas gathering,water supply,water injection,etc.However,lack of effective non-destructive testing(NDT)methods might result in GRP failure and cause potential safety hazards in production run.Microwave nondestructive testing(MNDT)is an advanced method of inspection for finding out defects in GRP manufacturing and installation.The paper introduced the principle and characters of MNDT,and case application.