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声发射是一种应变能释放行为,能反映受力结构中缺陷及其发展情况.因此声发射技术可用于结构检验.本文介绍了对某铸钢三角架结构进行强度检验中应用声发射技术,并以P-N面积作为产品分级定量依据的尝试.
Acoustic emission is a kind of strain energy release behavior, which can reflect the defects in the structure and its development. Therefore, the acoustic emission technology can be used for structural inspection. This article describes the application of acoustic emission technology in the strength inspection of a cast steel tripod structure. And PN area as a quantitative basis for the attempt of product classification.