Investigation on particle generation by micro-electro discharge machining

Sourav Mitra; . Muralidhara; N. J. Vasa; Singaperumal M.

doi:10.1117/12.845709

16 February 2010 Investigation on particle generation by micro-electro discharge machining

Sourav Mitra; . Muralidhara; N. J. Vasa; Singaperumal M.

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Proceedings Volume 7590, Micromachining and Microfabrication Process Technology XV; 75900J (2010) https://doi.org/10.1117/12.845709
Event: SPIE MOEMS-MEMS, 2010, San Francisco, California, United States

Abstract

In the present work the scope of using micro-electro discharge machining (micro-EDM) technique to generate metalnanoparticles is studied and thermal conductivity of the fluid with particles generated using micro-EDM is characterized. In the experiment, aluminum workpiece is machined with an aluminum tool electrode in deionized water. 40 to 96 V is applied for machining with pulse-on duration being varied between 10 and 100 microseconds. The particle count analysis reveals that low voltage and high pulse-on duration favors formation of smaller sized particles, as predicted by the developed model. A thermal conductivity measurements show 4% rise in thermal conductivity with the sample (0.004% by wt. in deionized water) produced by micro-EDM setup.

Citation Download Citation

Sourav Mitra, . Muralidhara, N. J. Vasa, Singaperumal M., "Investigation on particle generation by micro-electro discharge machining", Proc. SPIE 7590, Micromachining and Microfabrication Process Technology XV, 75900J (16 February 2010); doi: 10.1117/12.845709; https://doi.org/10.1117/12.845709

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