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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 33-37Acoustic Emission Signals in the Micro-EDM of PCD

Acoustic Emission Signals in the Micro-EDM of PCD

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Abstract:

The mechanism of fracture in micro-electrical discharge machining (-EDM) processes is related to the discharge pulses energy. This paper investigates the correlation of fractures and discharge pulses energy in the -EDM of polycrystalline diamond (PCD) to the acoustic emission (AE) signals. The evaluation of fracture mechanism was done by measuring the generation and propagation of elastic wave in single discharge pulse by using AE sensor. The results show a strong correlation between fractures and discharge pulses energy to the AE signals and mechanism of material removal in the -EDM processes.

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Periodical:

Advanced Materials Research (Volumes 33-37)

Pages:

1181-1186

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.33-37.1181

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Online since:

March 2008

Authors:

M. Mahardika, Kimiyuki Mitsui, Zahari Taha

Keywords:

Acoustic Emission Signals, Discharge Pulses Energy, Fracture Pulses Energy, Micro Electro Discharge Machining

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© 2008 Trans Tech Publications Ltd. All Rights Reserved

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