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本文介绍了用电磁法和频率法,综合无损检测球墨铸铁件中基体组织含量和石墨形态的基本原理、具体方法和实用仪器。
This paper introduces the basic principles, specific methods and practical instruments of non-destructive testing of matrix structure and graphite morphology in ductile iron using electromagnetic and frequency methods.