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金属学报  1999 

郭志猛庄奋强

, PP. 124-126

Keywords: 高阻值衬层,裂纹,电化学,无损探伤

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Abstract:

根据电化学原理,得到高阻值衬层穿透性裂纹的电沉积电流与时间的关系曲线,利用计算机数据采集及处理系统,对高阻值衬层进行分析与检测,由此可以定量确定裂纹的大小,再通过观测在裂纹处所沉积的金属(或采用电极扫描技术)来确定裂纹的位置及表面形状,最终可以实现对高阻值衬层的快速无损探伤.

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