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渗透探伤是一种表面缺陷的无损检测方法。对于金属和非金属材料它都可以使用。如检测双金属片的分层、弹簧片、牵引杆的淬火裂纹、绝缘盆的裂纹、铸钢件的浇注缺陷等等,都可运用渗透探伤检出。
Penetrant testing is a nondestructive testing method of surface defects. It can be used with both metallic and non-metallic materials. Such as the detection of bimetal stratification, spring-loaded, traction rod quenching cracks, cracks in the insulation pots, casting castings defects, etc., can be detected by using penetrant inspection.