NDLI: Analysis of electromagnetically induced acoustic emission under different magnetic field conditions

Content Provider	IEEE Xplore Digital Library
Author	Zhichao Cai Suzhen Liu Chuang Zhang Qingxin Yang
Copyright Year	2014
Description	Author affiliation: Province-Minist. Joint Key Lab. of Electromagn. Field & Electr. Apparatus Reliability, Hebei Univ. of Technol., Tianjin, China (Zhichao Cai; Suzhen Liu; Chuang Zhang) \|\| Key Lab. of Adv. Electr. Eng. & Energy Technol., Tianjin Polytech. Univ., Tianjin, China (Qingxin Yang)
Abstract	The ability of acoustic emission detection is enhanced by electromagnetic stimulation with external magnetic field. Different magnetic field directions, which are generated by permanent magnet, produce various vibrations of defect itself. In this paper, the deformation characteristics of electromagnetically induced acoustic emission (EMAE) are studied by the finite element method (FEM). The experimental data are compared by the signal reprocessing of sample entropy (SampEn), which under the condition of parallel and vertical magnetic field. The main conclusion is that characteristics of AE varied significantly under different magnetic field conditions, which provides crucial references for EMAE source. Meanwhile, this study leads to ratiocination that the application of parallel magnetic field reduces the demands of the power supply and improves the detection efficiency.
Starting Page	294
Ending Page	297
File Size	251508
Page Count	4
File Format	PDF
ISBN	9781479947317
e-ISBN	9781479947300
DOI	10.1109/FENDT.2014.6928283
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-06-20
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Vertical magnetic field Deformation Loading Acoustic emission Parallel magnetic field Magnetic fields EMAE Eddy currents Stress Testing
Content Type	Text
Resource Type	Article

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