cocomooner
1、焊接缺陷目前没有统一的表达符号，以前都是在检验不合格出画个圈，圈出不合格的部位及范围。2、其实还是用缺陷符号表达更好，完全可以用符号表达缺陷性质和缺陷处理方式。用汉语拼音字头加一个特殊符号，这样的符号只有写进“焊缝质量检验标准”才能被推广使用。比如：用一带箭头横折线，箭头指缺陷点，横线上用拼音字头表示缺陷性质和处理方法，横线下缺陷起止点及长度。
创艺麦香包
Weld defect detection of the commonly used in nondestructive testing technology principle and the current situation of the study are introduced, including magnetic powder detection, penetration testing, ultrasonic testing, radiation detection, eddy current testing, and metal magnetic memory testing, infrared thermal imaging detection and audio emission testing technology, and sums up all kinds of welding defects of prevention and control measures.
张凉凉2779
气孔blowhole/ gas pore裂纹crack表面裂纹surface crack咬边undercut焊瘤overlap凹坑pit烧穿burn through塌陷excessive （penetration未焊透incomplete penetration/ lack of penetration未熔合lack of fusion/ incomplete fusion未焊满incompletely filled weld）根部凹陷root concavity电弧擦伤arc scratch夹渣slag inclusion夹杂物inclusion夹钨tungsten inclusion白点fish eye/ flake错边misalignment/ dislocation一些缺陷最好是用解决方法的符号来标注。例如括号中的一般用W+G，补焊和打磨。一些可用首字母标识
