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Development of a NDI system using the magneto-optical method(2nd report-remote sensing using the novel magneto-optical inspection system)

机译:使用磁光法开发NDI系统(使用新型磁光检查系统进行第二次报告远程感应)

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摘要

A new remote sensing system using the magneto-optical method Is developed for inspection of flaws introduced during service operation where routine inspection is difficult because of difficult inaccessibility to the components.Among the advantages of non-destructive inspection(NDI) based on the magneto-optical sensor are: real time inspection, elimination of electrical noise and high spatial resolution. Remote sensing of flaws is achieved using the basic principles of Faradayeffect, optical permeability, and diffraction of a laser by the domain walls.This paper describes a novel remote NDI system using the principles of optics and LMF. The main characteristic of the system is that image data and LMF information can be obtained simultaneously. It is possible to carry out remote and high speedinspection of cracks from the intensity of the reflected light, and to estimate the size of a crack effectively with their diverse data. The advantages of this NDI system are demonstrated using two specimens.
机译:开发了一种新的使用磁光方法的遥感系统,用于检查在维修过程中由于部件难以接近而难以进行常规检查的缺陷。基于磁光的无损检测(NDI)的优点光学传感器有:实时检查,消除电噪声和高空间分辨率。利用法拉第效应,光导率和畴壁对激光的衍射等基本原理实现缺陷的遥感。本文介绍了一种利用光学原理和LMF原理的新型远程NDI系统。该系统的主要特点是可以同时获取图像数据和LMF信息。可以根据反射光的强度对裂纹进行远程和高速检查,并利用其多样的数据有效地估计裂纹的大小。使用两个样本证明了此NDI系统的优势。

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