加热片粘结质量无损检测方法研究  

Research on nondestructive testing method of bonding quality of heating patch

作　　者：张彬[1] 于全朋 姚鹏娇 李少华[1] 帅家盛 ZHANG Bin;YU Quanpeng;YAO Pengjiao;LI Shaohua;SHUAI Jiasheng(Beijing Institute of Spacecraft Environment Engineering,Beijing 100094,China;School of Mechanical Engineering,Beijing Institute of Technology,Beijing 100081,China;JiashengTest Engineering CO.,Ltd.,Beijing 10016,China)

机构地区：[1]北京卫星环境工程研究所,北京100094 [2]北京理工大学机械与车辆学院,北京100081 [3]北京嘉盛智检科技有限公司,北京100016

出　　处：《遥测遥控》2020年第4期40-48,共9页Journal of Telemetry,Tracking and Command

摘　　要：加热片在粘结过程中,由于操作不当,在粘结层内会出现气泡、分层、夹杂等缺陷,这些缺陷会导致加热片传热不均匀,引起热量集聚,进而加热片中加热丝被烧坏,最终造成加热片失效,严重影响设备的正常运行,甚至使整个设备报废。因此,设备在投入使用前进行全面无损检测是十分有必要的。无损检测有很多种方式和方法,针对加热片粘结质量进行无损检测试验,对比分析空耦超声单侧一发一收法、空耦超声对侧一发一收法和太赫兹检测法对加热片的检测效果,结果发现,太赫兹无损检测法对加热片粘结层内部缺陷具有很好的检出率,试验研究为加热片粘结层内部缺陷的检测提供了有效方法。In the process of pasting the heating plate,due to improper operation,defects such as bubbles,delamination and inclusions will appear in the bonding layer.These defects lead to uneven heat transfer of the heating patch,causing heat accumulation.And then the heating wire in the heating patch is burned out,which eventually leads to the heating patch failure,seriously affects the normal operation of the equipment,and even scrapes the whole equipment.Therefore,it is very necessary to carry out comprehensive nondestructive testing before the equipment is put into use.There are many ways and methods of non-destructive testing.In this paper,non-destructive testing is carried out for the bonding quality of heating patch,and the testing effects of one-side pitch-catch technique of air-coupled ultrasonic,opposite pitch-catch technique of air-coupled ultrasonic and terahertz testing method are compared and analyzed.The results show that the THz nondestructive testing method has a good detection rate for the internal defects of the bonding layer of the heating patch,and the experimental study provides an effective method for the detection of the internal defects of the bonding layer of the heating patch.

关 键 词：加热片 粘结层 粘结缺陷 无损检测方法 

分 类 号：TN247[电子电信—物理电子学]