本文叙述了在高温状态下,进行超声测厚的无损检测方法。提出了接触式高温超声测厚中存在的问题及解决的方法,介绍了非接触式高温超声测厚的方法及研究动态。 This paper describes a nondestructive testing method for ultrasonic thickness measurement at high temperature. The existing problems in high temperature ultrasonic thickness measurement and the methods to solve them are put forward. The methods and research trends of non-contact high temperature ultrasonic thickness measurement are introduced.