本文简要介绍了用来检验增强塑料、增强塑料/铝胶合件以及铝/泡沫塑料/铝夹层结构的超声波检验方法及机械扫描装置和记录系统。此方法能有效地检查出分层、裂纹、脱粘等主要缺陷。经过对大型部件的长期检验,表明所采用的探伤方法对保证产品质量起到了较大的作用。 This article gives an overview of the ultrasonic testing methods and mechanical scanning devices and recording systems used to test reinforced plastics, reinforced plastic / aluminum glued components, and aluminum / foam / aluminum sandwich structures. This method can effectively check the delamination, cracks, debonding and other major defects. After the long-term inspection of large parts, indicating that the testing methods used to ensure product quality played a greater role.