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Author:

宋国荣 (宋国荣.) | 秦登千 (秦登千.) | 肖珍 (肖珍.) | 吕炎 (吕炎.) | 洪广富 (洪广富.) | 徐煜阳 (徐煜阳.) | 何存富 (何存富.) (Scholars:何存富) | 吴斌 (吴斌.) (Scholars:吴斌)

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incoPat zhihuiya

Abstract:

一种斜角表面裂纹倾斜角度和深度的检测方法,表面裂纹有两种形式,一为垂直表面裂纹,另一种为斜角表面裂纹,两种表面裂纹在实际工业结构中均普遍存在。表面裂纹可以处于张开、闭合或介于二者之间的不同状态,更增加了超声波检测的难度、降低了检测结果的可靠性。本发明的目的是针对试件中的斜角表面裂纹特征,采用线聚焦超声换能器沿水平方向进行步进测量,确定斜角表面裂纹反射回波的传播路径,使之可以更准确地测量试件中斜角表面裂纹的倾斜角度和深度。本发明具有以下优点:试件中斜角表面裂纹倾斜角度与深度测量准确;不对试件结构进行任何破坏。

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Patent Info :

Type: 发明授权

Patent No.: CN201610076998.2

Filing Date: 2016-02-03

Publication Date: 2018-06-19

Pub. No.: CN105699486B

Applicants: 北京工业大学

Legal Status: 授权

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 5

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