High Accuracy Tiny Crack Detection in Metal by Low Frequency Electromagnetic Technique-Reference-Cited by-同舟云学术

High Accuracy Tiny Crack Detection in Metal by Low Frequency Electromagnetic Technique

Published:2016-01-01 Issue:1 Volume:680 Page:012017
ISSN:1742-6588
Container-title:Journal of Physics: Conference Series
language:
Short-container-title:J. Phys.: Conf. Ser.

Author:

Lou Weimin,Shen Changyu,Shentu Fengying,Li Guanghai,Chang Yu,Lu Xinyuan

Abstract

Abstract A low frequency testing technology based on eddy current technique is proposed for detecting defects in some special equipment surface. A two-dimension model is built to simulate the distribution of low frequency (10 Hz) magnetic flux density nearby the surface of a metal plate. The influence of lift-off effect, coil diameter, crack shape on the measurement are discussed. And the crack measurement sensitivity of 0.6 pm was obtained.

Publisher

IOP Publishing

Subject

General Physics and Astronomy

Link

http://stacks.iop.org/1742-6596/680/i=1/a=012017/pdf

Reference3 articles.

1. Three-Dimensional FEM Analysis of Electromagnetic Inspection of Outer Side Defects on Steel Tube Using Inner Coil

2. Difference in the detection limits of flaws in the depths of multi-layered and continuous aluminum plates using low-frequency eddy current testing

3. Inspection of aluminum alloys by a multi-frequency eddy current method

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