基于电磁超声的列车轮对踏面在线探伤系统分析

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1、哈尔滨工业大学工学硕士学位论文theparameters,affectingtheperformanceofthetransducerdetection,hasbeendetermined.Thehardware,software,andmachineryofthewheelonlinedetectionsystemhavebeendesignedinthispaper.Offlineexperimentofthetrainwheelafterdisassemblingandonlineexperimentusingthe

2、detectionsystemhavebeenperformed.Thetestresultsshowthatthewheelonlinedetectionsystemdesignedinthispapercandetecttheflawsinthewheeleffectively,verifyingthefeasibilityofthesystem.Keywords:Wheelflawdetection,electromagneticacoustictransducer,surfacewave,transducerdes

3、ign-III-万方数据哈尔滨工业大学工学硕士学位论文目录摘要................................................................................................................IAbstract..............................................................................................................II

4、第1章绪论....................................................................................................11.1课题来源及研究的目的和意义................................................................11.2轮对踏面探伤方法..................................................................

5、.................21.2.1离线探伤方法...................................................................................21.2.2在线探伤方法...................................................................................31.3电磁超声轮对探伤的国内外研究现状.....................................

6、................41.3.1国外研究现状...................................................................................41.3.2国内研究现状...................................................................................61.4本文主要研究内容..............................................

7、.....................................7第2章电磁超声表面波探伤方法及总体方案设计..........................................82.1引言.........................................................................................................82.2电磁超声表面波激发机理.....................................

8、..................................82.2.1洛伦兹力机理...................................................................................92.2.2磁致伸缩力机理..........