Investigation of Nondestrutive Testing Methods and Quantitative Criterions for the Flange of Locomotive Wheel
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摘要: 针对机车车轮轮缘形状的特殊性,对机车车轮轮缘部位的探伤方法进行了探索,研制了轮缘周向缺陷及纵向缺陷探伤对比试块,研制了相应的WM2R型双晶纵波探头和双晶双向扫查横波斜探头;利用数字式超声波探伤仪制作波幅-当量曲线,提出了确定轮缘缺陷当量方法,在应用实践中得到了验证。Abstract: To detect the flange of locomotive wheel we investigate many testing methods but find out none can meet all requirements of the flange. We proposed some new methods and made their quantitative criterions and test-blocks which are appropriate for the needs. The applications of these methods work well in practice.
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[1] 全国锅炉压力容器无损检测人员资格考委会.超声波探伤[M].北京:劳动人事出版社,1989. [2] 黎连修.轮箍超声横波探伤研究[J].无损检测,2000,22(4):162-164.
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