超声多波检测自动定量确定列车车轴的裂纹
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摘要
应用工程多波地震勘探的理论和方法,使用高频DC4型多波检测仪和单分量、三分量换能器,在有裂纹实物车轴模型上进行了多波观测试验,探索出了一套适用于检测列车车轴裂纹的新方法:超声换能器网阵自动定量多波检测法。用研制成功的多波检测计算机三维成像软件系统对观测数据进行处理,其成像结果与已知模型基本相符。该检测法为今后金属无损探伤中对损伤位置、几何形状及尺度等参数的确定开辟了新的方法,有着广阔的应用前景。
This article applies the theory and method of engineering multi-wave seismic exploration and uses the DC_4 high-frequency multi-wave detector and single heft、3-heft energy exchangeer to do multi-wave observation experiments on the scared train-axle model.A new method——the automatic quantification multi-wave detection method by detector reticulation——is found, which suits detection of cracks of train axles.The three-dimensional imaging software of the multi-wave detecting computer processes the test data and the imaging results match the given model.The new method serves to determine the parameters such as the position、size and geometric shape of cracks in nondestructive flaw detection.It has wide application in the future.
This article applies the theory and method of engineering multi-wave seismic exploration and uses the DC_4 high-frequency multi-wave detector and single heft、3-heft energy exchangeer to do multi-wave observation experiments on the scared train-axle model.A new method——the automatic quantification multi-wave detection method by detector reticulation——is found, which suits detection of cracks of train axles.The three-dimensional imaging software of the multi-wave detecting computer processes the test data and the imaging results match the given model.The new method serves to determine the parameters such as the position、size and geometric shape of cracks in nondestructive flaw detection.It has wide application in the future.
引文
[1]赵鸿儒,郭铁栓,徐子君,唐文榜,孙进忠.工程多波地震勘探[M].北京:地震出版社,1996.13—192.
[2]赵鸿儒,孙进忠,唐文榜,彭一民.全波震相分析[M].北京:地震出版社,1991.18—220.
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[4]王兵团,冯永革,成正维,等.DC4型数字超声列车车轴多波检测仪的研究[J].铁道学报,2005,27(3):109—112.
[5]黎丹,王兵团.应力的反射系数和透射系数[J].北方交通大学学报,2003,27(3):27—31.
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[10]王兵团,王秋媛.Mathematica数学软件简明教程与数学实验[M].北京:中国铁道出版社,2002.1—74.
[11]麦苗,王笛,庞坤.列车车轴多波检测中的三维图形显示[J].计算机工程与应用,2005,41(增刊下).
[2]赵鸿儒,孙进忠,唐文榜,彭一民.全波震相分析[M].北京:地震出版社,1991.18—220.
[3]赵鸿儒,唐文榜,郭铁栓.超声地震模型试验技术及应用[M].北京:石油工业出版社,1986.126—234.
[4]王兵团,冯永革,成正维,等.DC4型数字超声列车车轴多波检测仪的研究[J].铁道学报,2005,27(3):109—112.
[5]黎丹,王兵团.应力的反射系数和透射系数[J].北方交通大学学报,2003,27(3):27—31.
[6]刘钦圣,张晓丹,王兵团.数值方法教程[M].北京:冶金工业出版社,1998.44—90.
[7]王兵团.计算方法基础[M].北京:中国铁道出版社,2000.1—43.
[8]秦前清,杨宗凯.实用小波分析[M].西安:西安电子科技大学出版社,1994.80—92.
[9]王兵团.平面曲线离散点集拐点的快速查找算法[J].北方交通大学学报,2001,25(6):85—87.
[10]王兵团,王秋媛.Mathematica数学软件简明教程与数学实验[M].北京:中国铁道出版社,2002.1—74.
[11]麦苗,王笛,庞坤.列车车轴多波检测中的三维图形显示[J].计算机工程与应用,2005,41(增刊下).
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