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APPLICATION OF WGQ MICROCOMPUTER-BASED ELECTROMAGNETIC NONDESTRUCTIVE TESTING INSTRUMENT TO HARDNESS TESTING OF MALLEABLE CAST IRON PARTS
Author(s): 
Pages: 130-132,145
Year: Issue:  3
Journal: NONDESTRUCTIVE TESTING

Keyword:  电磁检验磁导率铸铁硬度裂纹;
Abstract: 基于各种铸铁件硬度与其初始磁导率成比例的原理,采用电磁感应方法研制了WGQ型微机式金属材质电磁无损检测仪,可成功定量检测包括铁素体可锻铸铁件和珠光体可锻铸铁件在内的各种铸铁件的硬度.也可检测其它钢铁件和有色金属的成分、硬度和裂纹等.其硬度检测精度为HB±10,检测速度可达1500件/h.
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