摘要
介绍了用超声波方法检测微夹杂缺陷的一些试验结果，比较了不同频率、不同试验方法检测能力的差异，并通过解剖试验对检出缺陷的性质、尺寸作了分析。
In the case of powder metallurgy materials,the most important fact causing incipient crack formation which can reduce the life of fatigue is inclusions.This paper introduces the method and results of smallinclusion detected by Ultrasonic,compares the testing capability of different frequency and discusses the characterise and size of the inclusion in the dissected specimen.
出处
《材料工程》
EI
CAS
CSCD
北大核心
1996年第10期26-28,共3页
Journal of Materials Engineering
关键词
粉末材料
微夹杂缺陷
超声检测
s:P/M materials, small inclusion,ultrasonic inspection
