铝合金蜂窝板钎焊接头的超声波C扫描检测
程志义1林雨廷1周广浩1程炜晴2
Ultrasonic C-scan Detection of Aluminum Honeycomb Plate Brazing Joint
CHENG ZhiyiLIN YutingZHOU GuanghaoCHENG Weiqing
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作者信息:1.中车长春轨道客车股份有限公司质量保证部，130062，长春；
2.电子科技大学格拉斯歌学院，611731，成都
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Affiliation:CRRC Changchun Railway Vehicles Co.，Ltd.，130062，Changchun，China
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关键词:
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Key words:
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DOI:10.16037/j.1007-869x.2020.04.016
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中图分类号/CLCN:TG454；TG441.7
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栏目/Col:研究报告
摘要:
分析了铝合金蜂窝板钎焊接头连接状态与超声检测C扫描信号的关系，建立了钎焊接头有效连接面积的超声检测分析模型，并基于该模型生成C扫描图像。利用图像增强、边缘检测等图像处理方法对 C 扫描图像进行处理，处理后的图像能够清晰地显示出钎焊接头形貌。将钎焊接头尺寸的实际测量值与超声检测值进行对比，结果表明，超声检测所得焊缝有效连接面积与实测值绝对误差小于 0.11 mm，证实了超声波检测可用于铝合金蜂窝板钎焊连接面积定量分析。
Abstracts:
With an analysis of the relation between the aluminum honeycomb plate brazing joint and the ultrasonic C-scan detection method，an ultrasonic detection analysis model for the effective brazing joint connection area is established，on which a C-scan image is generated. Then，C-scan images are processed by the image processing methods such as image enhancement and edge detection. The processed images can clearly show the shape of the brazing joints. The actual measurement value of the brazing joint size is compared with the ultrasonic testing value，and the results show that the absolute errors of the effective connection area are less than 0.11 mm，which realized the quantitative automatic ultrasonic detection of the connection area for brazing aluminum honeycomb plate.
引文 / Ref:
程志义，林雨廷，周广浩，等.铝合金蜂窝板钎焊接头的超声波C扫描检测[J].城市轨道交通研究，2020，23（4）：65.
CHENG Zhiyi，LIN Yuting，ZHOU Guanghao，et al.Ultrasonic C-scan Detection of Aluminum Honeycomb Plate Brazing Joint[J].Urban mass transit，2020，23（4）：65.
CHENG Zhiyi，LIN Yuting，ZHOU Guanghao，et al.Ultrasonic C-scan Detection of Aluminum Honeycomb Plate Brazing Joint[J].Urban mass transit，2020，23（4）：65.
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