首页> 外国专利> A FLEXIBLE SENSOR WITH PIEZOELECTRIC ARRAY APPLIED FOR WELD DEFECT DETECTION BASED ON FEATURE GUIDED WAVES AND ITS TESTING METHOD

A FLEXIBLE SENSOR WITH PIEZOELECTRIC ARRAY APPLIED FOR WELD DEFECT DETECTION BASED ON FEATURE GUIDED WAVES AND ITS TESTING METHOD

机译:一种具有压电阵列的柔性传感器,施加基于特征导波的焊接缺陷检测及其测试方法

摘要

Provided is a sensor and method for weld defect detection. The sensor includes several piezoelectric elements which form a matrix arranged on a flexible substrate. Each piezoelectric element is covered with a damping block and surrounded by sound absorbing material, and packaged within a flexible protective film. The sensor is simple, highly adaptable and high detection efficiency, which is especially suitable for the quick in-service inspection of long distance welds in large equipment, it has high degree of automation.
机译:提供了一种用于焊接缺陷检测的传感器和方法。传感器包括多个压电元件,该压电元件形成布置在柔性基板上的矩阵。每个压电元件覆盖有阻尼块并被吸声材料包围,并封装在柔性保护膜内。传感器简单,适应性高,检测效率高,特别适用于大型设备中的长距离焊缝的快速服务检查,具有高度自动化。

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