抗旋转铆钉接触界面的超声检测研究

IF 0.8 4区工程技术 Q4 ACOUSTICS International Journal of Acoustics and Vibration Pub Date : 2019-12-31 DOI:10.20855/ijav.2019.24.41330

C. Yao, Hsueh Chih Cheng

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引用次数: 0

摘要

本工作基于超声波的区域扫描，测量了不同铆接载荷下防旋转铆钉与铝板之间的接触面积。接触图像是用于防旋转铆钉接触的新颖公开。2D图显示，在施加各种法向力的情况下，不仅在面积大小上，而且在接触形状上都有明显的变化。3D接触图像还提供有用的信息来显示接触的强度。使用图像分析软件包计算防旋转铆钉和铝之间的接触面积。接触面积的范围从6.3毫米到57.2毫米不等，这取决于所施加的力和对比度的定义。此外，执行数据拟合的校准以提供用于接触面积估计的有用多项式方程。此外，还给出了反射系数和压力等值线分布图。峰值接触压力的范围从7.1MPa到11.2MPa不等。

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A Study of Contact Interface for an Anti-Rotation Rivet Using Ultrasonic Detection

This work measures the contact area between an anti-rotation rivet and an aluminum plate under different riveting loads based on the regional scanning of ultrasound. The contact image is a novel disclosure for the anti-rotation rivet contact. The 2D maps show an apparent change not only in area sizes but also in contact shapes under various normal forces applied. The 3D contact images also provide useful information to show the intensity of contact. The contact area between the anti-rotation rivet and the aluminum is calculated using an image analysis software package. The range of contact areas varies from 6.3 mm to 57.2 mm, depending on the applied forces and the definition of the contrast ratio. Furthermore, a calibration of data fitting is performed to provide a useful polynomial equation for contact area estimation. In addition, maps of both a reflection coefficient and a pressure contour distribution are presented. The range of peak contact pressure varies from 7.1 MPa to 11.2 MPa.

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来源期刊

International Journal of Acoustics and Vibration ACOUSTICS-ENGINEERING, MECHANICAL

CiteScore

1.60

自引率

10.00%

发文量

审稿时长

12 months

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