Measurement of Acoustic Emission Wave by Using Optical Fiber Sensor during Microsecond Discharge

Abstract:

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In this study, we investigate the effect of discharge current on the occurrence of burst AE wave caused by microsecond discharge. Electrical discharge duration was changed from about 1µs to 8µs by using condenser circuit. Effect of current behavior was estimated by comparing with experimental signal and simulation one. AE wave was detected by optical fiber vibration sensor. The optical fiber vibration sensor is located on an aluminum work-piece (cathode) plate. Simulation was carried out with MSC. Marc. As the results, it was found that AE wave was occurred by a force depending on electrical current behavior. The force direction was machining direction. The force has been occurred during microsecond discharge.

Info:

Periodical:

Key Engineering Materials (Volumes 381-382)

Edited by:

Wei Gao, Yasuhiro Takaya, Yongsheng Gao and Michael Krystek

Pages:

399-402

DOI:

10.4028/www.scientific.net/KEM.381-382.399

Citation:

Y. Akematsu et al., "Measurement of Acoustic Emission Wave by Using Optical Fiber Sensor during Microsecond Discharge", Key Engineering Materials, Vols. 381-382, pp. 399-402, 2008

Online since:

June 2008

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Price:

$35.00

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