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研究了大型工件无损金相检验中的不同复型制样的特点,重点阐述了涂胶复膜法制样在实际现场应用中的操作方法,质量影响因素及在光学金相中的图相效果,总结了该方法在大型构件现场无损金相检验中的应用效果及作用。
In this paper, the characteristics of different compound samples in non-destructive metallographic examination of large workpieces are studied. The operation methods, quality factors and the phase effect in the optical metallography are mainly elaborated. The application of the method in non-destructive metallurgical test of large-scale components on site and its effect.