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超声波探伤通常以A型、B型、C型三种方法显示。近年来,随着电子技术,特别是微型电子计算机的发展,几种新型显示方法相继研究成功。 目前工业超声波探伤,广泛采用A型显示法。此方法使用简便,应用范围广,并能对缺陷定位,缺陷的尺寸则是以当量平底孔的大小来评定的。缺点是难以判断缺陷的性质、形状和分布。因此,最好能结合B型、C型显示法以助判断。
Ultrasonic testing is usually A-type, B-type, C-type three methods show. In recent years, with the development of electronic technology, especially miniature electronic computers, several new display methods have been successfully studied. The current industrial ultrasonic flaw, widely used A-type display method. This method is easy to use, wide range of applications, and can locate defects, defect size is based on the size of the equivalent flat-bottomed hole to assess. The disadvantage is that it is difficult to judge the nature, shape and distribution of defects. Therefore, the best combination of B-type, C-type display method to help judge.