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Author:

林健 (林健.) | 刘晓佳 (刘晓佳.) | 雷永平 (雷永平.) (Scholars:雷永平) | 符寒光 (符寒光.) (Scholars:符寒光)

Indexed by:

incoPat zhihuiya

Abstract:

本发明公开了一种圆管内壁焊接残余应力的测量方法,在圆管焊接接头处形成的焊接残余应力场比较复杂,找到一种准确有效的测量圆管内壁焊接残余应力方法尤为重要。该发明采用切割法,在传热管内壁粘贴电阻应变片,采用硅橡胶进行表面保护。在应变片引线处连接接线端子,组合成可以重复测量的应变片接头。采用内窥镜进行圆管内壁测点定位,通过测量线切割后释放的弹性应变值,计算焊接残余应力。本发明测量结果精确可靠,重复性好。适用于测定圆管内壁焊接残余应力值。

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Patent Info :

Type: 发明授权

Patent No.: CN201710345809.1

Filing Date: 2017-05-17

Publication Date: 2019-12-03

Pub. No.: CN107101762B

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: 12

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