用于扩展物体缺陷尺寸测量的磁感应线构建技术的适用范围

IF 0.9 4区 材料科学 Q4 MATERIALS SCIENCE, CHARACTERIZATION & TESTING
A. V. Nikitin, A. V. Mikhaylov, L. V. Mikhaylov, Yu. L. Gobov, V. N. Kostin, Ya. G. Smorodinskiy
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引用次数: 0

摘要

摘要 介绍了一种近似求解磁场中高磁导率铁磁体板的磁静力学逆几何问题的技术。该技术既适用于磁传感器位于金属连续性丧失的表面缺陷正上方的情况,也适用于磁传感器位于板无缺陷表面上方的情况。假设只能从一侧接触到板。确定了建议技术能可靠工作的缺陷尺寸。结果表明,建议的技术可用于移动设备,直接在钻探现场使用 MFL(漏磁通量)方法对钻杆进行探伤。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Range of Applicability of a Technique for Constructing Magnetic Induction Lines for Flaw Sizing in Extended Objects

Range of Applicability of a Technique for Constructing Magnetic Induction Lines for Flaw Sizing in Extended Objects

Range of Applicability of a Technique for Constructing Magnetic Induction Lines for Flaw Sizing in Extended Objects

A technique for approximate solution of the inverse geometric problem of magnetostatics for a plate made of a high-permeability ferromagnet in a magnetic field is presented. The technique is presented both for the case of magnetic transducers located directly above a surface defect of loss of metal continuity and for the case where magnetic transducers are located above the defect-free surface of the plate. It is assumed that the plate is accessible from one side only. The sizes of defects in which the proposed technique works reliably are determined. It is shown that the proposed technique can be used in mobile devices to carry out flaw detection of drill pipes using the MFL (magnetic flux leakage) method directly at drilling sites.

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来源期刊
Russian Journal of Nondestructive Testing
Russian Journal of Nondestructive Testing 工程技术-材料科学:表征与测试
CiteScore
1.60
自引率
44.40%
发文量
59
审稿时长
6-12 weeks
期刊介绍: Russian Journal of Nondestructive Testing, a translation of Defectoskopiya, is a publication of the Russian Academy of Sciences. This publication offers current Russian research on the theory and technology of nondestructive testing of materials and components. It describes laboratory and industrial investigations of devices and instrumentation and provides reviews of new equipment developed for series manufacture. Articles cover all physical methods of nondestructive testing, including magnetic and electrical; ultrasonic; X-ray and Y-ray; capillary; liquid (color luminescence), and radio (for materials of low conductivity).
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