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Micro Wire Electrical Discharge Machining of MEMS Structures with Optimized Dimensional Deviation

Credit to Download: 1 | Page Numbers 7 | Abstract Views: 27
Year: 2019
COI code: JR_ADMTL-12-2_011
Paper Language: English

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Authors Micro Wire Electrical Discharge Machining of MEMS Structures with Optimized Dimensional Deviation

  Mohammad Tahmasebipour - Faculty of New Sciences and Technologies, University of Tehran, Tehran, Iran
  Younes Tahmasebipour - Micro/Nano-Fabrication Technologies Development Laboratory, Faculty of New sciences & Technologies, University of Tehran, Tehran, Iran
  Ali Vafaie - Faculty of New Sciences and Technologies, University of Tehran, Tehran, Iran

Abstract:

Metal-based microelectromechanical systems are widely used in applications such as micro-energy harvesters, micro-heat exchangers and micro-electromagnetic that require high strength and flexibility. In the fabrication of such systems, micro wire electrical discharge machining (MicroWEDM) is majorly used. This paper studies the effect of the MicroWEDM process parameters on the dimensional deviation of machined MEMS structures including microcantilevers and micro-beams using the Taguchi method. Using optimal levels of the parameters including pulse duration (0.8 µs), cutting speed (8.4 mm/min), voltage (17 V) and wire tension (0.5 kg), the dimensional deviation is reduced about 8.65 times compared with the average of experiments results. The order of effect importance of the process parameters on the dimensional deviation of microstructures obtained by the ANOVA analysis of S/N ratios is as follows: pulse duration, wire tension, process voltage and cutting speed. Dimensional deviation of the micro-features was reduced to 1 μm using the optimal levels of the process parameters.

Keywords:

MEMS, Microbeam, Microcantilever, Micromachining, Micro Wire Electrical Discharge Machining, Micro-WEDM

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COI code: JR_ADMTL-12-2_011

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Tahmasebipour, Mohammad; Younes Tahmasebipour & Ali Vafaie, 2019, Micro Wire Electrical Discharge Machining of MEMS Structures with Optimized Dimensional Deviation, International Journal of Advanced Design and Manufacturing Technology 12 (2), https://www.civilica.com/Paper-JR_ADMTL-JR_ADMTL-12-2_011.htmlInside the text, wherever referred to or an achievement of this article is mentioned, after mentioning the article, inside the parental, the following specifications are written.
First Time: (Tahmasebipour, Mohammad; Younes Tahmasebipour & Ali Vafaie, 2019)
Second and more: (Tahmasebipour; Tahmasebipour & Vafaie, 2019)
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Type: state university
Paper No.: 55516
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