| 黏接结构弱黏接缺陷的非线性超声评价 |
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| 引用本文： | 陈军,乔丹,崔哲,马海涛.黏接结构弱黏接缺陷的非线性超声评价[J].无损检测,2019(9):60-64,74. |
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| 作者姓名： | 陈军 乔丹 崔哲 马海涛 |
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| 作者单位： | 大连理工大学材料科学与工程学院;大连理工大学鞍山研究院 |
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| 摘 要： | 利用ABAQUS有限元软件建立了非线性超声检测有限元模型,计算了弱黏接缺陷的尺寸对超声非线性系数的影响.计算结果表明:随着界面弱黏接缺陷尺寸的增大,超声检测信号基波幅值和二次谐波幅值逐渐减小,而超声非线性系数呈单调增大趋势.对5个含有不同弱黏接缺陷尺寸的AZ31镁铝合金黏接结构试样进行了非线性超声检测,研究发现试验结果与有限元计算结果相吻合,表明了非线性超声检测方法对黏接结构弱黏接缺陷检测的有效性.
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| 关 键 词： | 黏接结构 弱黏接 有限元模拟 超声检测 非线性系数 |
Nonlinear Ultrasonic Evaluation of Kissing Bond Defects in Bonded Structures |
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| CHEN Jun,QIAO Dan,CUI Zhe,MA Haitao.Nonlinear Ultrasonic Evaluation of Kissing Bond Defects in Bonded Structures[J].Nondestructive Testing,2019(9):60-64,74. |
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| Authors: | CHEN Jun QIAO Dan CUI Zhe MA Haitao |
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| Affiliation: | (School of Materials Science and Engineering,Dalian University of Technology,Dalian 116024,China;Anshan Research Institute,Dalian University of Technology,Anshan 114051,China) |
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| Abstract: | CHEN Jun;QIAO Dan;CUI Zhe;MA Haitao(School of Materials Science and Engineering,Dalian University of Technology,Dalian 116024,China;Anshan Research Institute,Dalian University of Technology,Anshan 114051,China) |
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| Keywords: | adhesive structure weak bonding finite element simulation ultrasound testing nonlinear coefficient |
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