Modeling of electrochemical micromachining: comparison to experiments

Deepak Marla; Suhas S. Joshi; Sushanta K. Mitra

doi:10.1117/1.2964215

1 July 2008 Modeling of electrochemical micromachining: comparison to experiments

Deepak Marla, Suhas S. Joshi, Sushanta K. Mitra

Journal of Micro/Nanolithography, MEMS, and MOEMS, Vol. 7, Issue 3, 033015 (July 2008). https://doi.org/10.1117/1.2964215

Abstract

A detailed theoretical modeling of the electrochemical micromachining (EMM) process has been conducted here. The model takes into account a very small interelectrode gap thickness (order of a few micrometers) under which the electric field between the electrodes becomes a predominant factor in governing the machining process. The effect of electric double layer (EDL) also becomes significant under such conditions. The governing equations of the material removal rate are derived by considering a one-dimensional electric field, which is perpendicular to the cross section of the electrode. The model also incorporates the applied pulsed voltage used in EMM. A comparison between the theoretical and the experimental results indicate that, under high voltage and small interelectrode gap, the electric field and the formation of EDL have a significant effect on the material removal rate.

©(2008) Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation Download Citation

Deepak Marla, Suhas S. Joshi, and Sushanta K. Mitra "Modeling of electrochemical micromachining: comparison to experiments," Journal of Micro/Nanolithography, MEMS, and MOEMS 7(3), 033015 (1 July 2008). https://doi.org/10.1117/1.2964215

Published: 1 July 2008

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