Non-destructive testing—Metallographic replica techniques of surface examination
IDT ISO 3057:1998
全国无损检测标准化技术委员会(SAC/TC 56)
本标准规定了用透明硝化纤维膜料、醋酸纤维素或塑料材料（带有或不带有载体）进行表面检测的复型技术，该技术用于记录由机械或冶金原因引起的金属表面状态的不均匀性。
本标准所规定方法的优点在于适用于某些难以检测的部位或不允许破坏的工件。而且，复型件能在现场用低倍光学装置观测或带到实验室在高倍金相显微镜下检测。
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