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. 2018 Oct 11;9(10):512. doi: 10.3390/mi9100512

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© 2018 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Micro electrical discharge machining (EDM) compared with the micro-ECM machining process. (a) The surface of EDM presented to more uniformed like a grapefruit peel. (b) The surface of ECM presented to be smooth and evenly circled.

Micro electrical discharge machining (EDM) compared with the micro-ECM machining process. (a) The surface of EDM presented to more uniformed like a grapefruit peel. (b) The surface of ECM presented to be smooth and evenly circled.