利用单模光纤技术及热图技术，针对面积大的复合材料块内的粘接质量缺陷进行了非接触在线实时探伤实验，并对其新的机理进行了详细的分析与研究． Using single-mode optical fiber technology and heat map technology, a real-time non-contact real-time flaw detection experiment was conducted on the defects of the bond quality in the large area of ​​composite material. The new mechanism was analyzed and studied in detail.