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一、概要 1.引言在工业设备上,金属材料焊缝的检测对于确保材料的使用强度和可靠性是非常重要的。对承压构件和盛装有毒或致命液体的金属容器的焊缝,尤应特别重视。利用超声波检验的方法来发现和鉴定任
I. INTRODUCTION 1. INTRODUCTION In the field of industrial equipment, the testing of weld metal materials is very important for ensuring the strength and reliability of materials. Special attention should be given to the weld of pressure-bearing components and metal containers containing toxic or deadly liquids. The use of ultrasonic testing methods to find and identify any