摘要
以具有镀层的铁磁零部件的裂纹检测为背景,阐述了微磁裂纹检测仪的主要原理、裂纹特征二次梯度提取及裂纹检测的实现。
Using the crack detection of ferromagnetic materials parts with plating layer as a sample, the micro-magnetic crack testing principles, the crack characteristic extracting based on double gradient, and realizing of crack testing were introduced in this paper,
出处
《仪表技术》
2005年第4期34-36,共3页
Instrumentation Technology
基金
国家自然科学基金资助项目(编号50175109)
关键词
镀层零件
微磁检测
二次梯度
parts with plating layer
micro-magnetic detection
double gradient
