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点焊焊点熔核直径的三种超声测量方法比较 被引量:1

Comparison of Three Ultrasonic Measuring Methods for Nugget Diameter of Spot Welding Joints
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摘要 文中介绍超声A扫描法、超声B扫描法和超声相控阵法在点焊焊点熔核直径测量中的运用,分析这三种方法的超声扫描图像特征,并通过验证实验对比测量结果的精度,对三种测量方法的优缺点进行总结。 This paper introduces the application of ultrasonic A-scan method,ultrasonic B-scan method and ultrasonic phased array method in the measurement of nugget diameter of spot welding joints.The characteristics of these three methods are analyzed.The advantages and disadvantages of the three methods are summarized by verifying the accuracy of the experimental results.
作者 刘凯 LIU Kai(Longyan Branch of Fujian Boilers and Pressure Vessel Inspection Studying Institute,Longyan 364000,Fujian,China)
出处 《质量技术监督研究》 2018年第6期32-35,共4页 Quality and Technical Supervision Research
关键词 熔核直径 超声测量 Nugget diameter Ultrasonic measurement
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