Design and Experiment of Electromagnetically Induced Acoustic Emission for Metal Crack Detection

Chuang Zhang; Su Zhen Liu; Qing Xin Yang; Liang Jin; Yu Huai Kan

doi:10.4028/www.scientific.net/AMR.291-294.1278

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 291-294Design and Experiment of Electromagnetically...

Design and Experiment of Electromagnetically Induced Acoustic Emission for Metal Crack Detection

Abstract:

A new electromagnetically induced acoustic emission technique (EMAE) is presented in this paper. It does nondestructive detection with the effect of dynamic electromagnetic loading to generate a stress field stimulating stress waves from the defects. Theoretical analysis and experiment of the EMAE is carried out. The large pulse current generator which is used in electromagnetically induced acoustic emission (EMAE) is designed based on the energy storage of the capacitor. Applying to the EMAE experiment, it can achieve the expected effect and locate the defect in the aluminium plate. This work laid a good foundation for the engineering application of EMAE.

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Periodical:

Advanced Materials Research (Volumes 291-294)

Pages:

1278-1283

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.291-294.1278

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Online since:

July 2011

Authors:

Chuang Zhang, Su Zhen Liu, Qing Xin Yang, Liang Jin, Yu Huai Kan

Keywords:

Electromagnetically Induced Acoustic Emission, Large Pulse Current, Metal Defect Location, Nondestructive Testing (NDT)

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