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A practical guide for testing of complex geometry components by meter-display eddy current instruments

机译:通过电表显示涡流仪器测试复杂几何形状组件的实用指南

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Reliability and the reproducibility of results have always been an important concern in non-destructive inspection (NDI). This is especially the case if the component is critical and has to be inspected periodically. If components are to be examined by Eddy Current Testing (ECT), the test procedure must take into account all the related parameters such as liftoff, geometry, possible conductivity and permeability changes on the test surface as well as the operator dependence. The utilisation of easy to manufacture and specially designed adapter blocks help reduce these difficulties. In this study, alternative ECT procedures using various adapter blocks are prepared for three types of aircraft components with complex geometry. These procedures require a simple meter display instrument and absolute pencil probes, which is the available instrument at the source location of these components.
机译:结果的可靠性和可重复性一直是无损检测(NDI)中的重要问题。如果组件很关键并且必须定期检查,则尤其如此。如果要通过涡流测试(ECT)检查组件,则测试程序必须考虑所有相关参数,例如剥离力,几何形状,测试表面上可能的电导率和磁导率变化以及操作者的依赖性。易于制造和专门设计的适配器块的使用有助于减少这些困难。在这项研究中,为三种类型的复杂几何形状的飞机部件准备了使用各种适配器块的ECT替代程序。这些过程需要一个简单的仪表显示仪器和绝对式笔形探头,这是这些组件源位置上可用的仪器。

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