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Electrical measurements in µ-EDM
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Ferri, Carlo, Ivanov, Atanas and Petrelli, Antoine (2008) Electrical measurements in µ-EDM. Journal of Micromechanics and Microengineering, 18 (8). 085007. doi:10.1088/0960-1317/18/8/085007 ISSN 0960-1317.
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WRAP-electrical-measurements-µ-EDM-Ferri-2008.pdf - Accepted Version - Requires a PDF viewer. Download (883Kb) | Preview |
Official URL: http://dx.doi.org/10.1088/0960-1317/18/8/085007
Abstract
The phenomena occurring between the electrodes in electric discharge machining when manufacturing features on the micro-metre scale (µ-EDM) is not fully understood. Poor quantitative knowledge of the sources of variability affecting this process hinders the identification of its natural tolerance limits. Moreover, improvements in measuring systems contribute to the acquisition of new information that often conflicts with existent theoretical models of this process. The prime objective of this paper is to advance the experimental knowledge of µ-EDM by providing a measurement framework for the electrical discharges. The effects of the electrodes metallic materials (Ag, Ni, Ti, W) on the electrical measurements defined in the proposed framework are analysed. Linear mixed-effects models are fitted to the experimental data using the restricted maximum likelihood method (REML). The main conclusion drawn is that the discharge current and voltage as defined and measured in this framework do significantly depend on the electrode material even when keeping all the other machining conditions unchanged.
| Item Type: | Journal Article | |||||||||
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| Subjects: | Q Science > QA Mathematics T Technology > TJ Mechanical engineering and machinery T Technology > TK Electrical engineering. Electronics Nuclear engineering |
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| Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | |||||||||
| Library of Congress Subject Headings (LCSH): | Micro-electro discharge machining, Multilevel models (Statistics), Linear models (Statistics), Electric measurements | |||||||||
| Journal or Publication Title: | Journal of Micromechanics and Microengineering | |||||||||
| Publisher: | IOP Publishing Ltd | |||||||||
| ISSN: | 0960-1317 | |||||||||
| Official Date: | 4 July 2008 | |||||||||
| Dates: |
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| Volume: | 18 | |||||||||
| Number: | 8 | |||||||||
| Article Number: | 085007 | |||||||||
| DOI: | 10.1088/0960-1317/18/8/085007 | |||||||||
| Status: | Peer Reviewed | |||||||||
| Publication Status: | Published | |||||||||
| Reuse Statement (publisher, data, author rights): | This is an author-created, un-copyedited version of an article accepted for publication/published in Journal of Micromechanics and Microengineering. IOP Publishing Ltd is not responsible for any errors or omissions in this version of the manuscript or any version derived from it. The Version of Record is available online at: http://dx.doi.org/10.1088/0960-1317/18/8/085007 | |||||||||
| Access rights to Published version: | Restricted or Subscription Access | |||||||||
| Date of first compliant deposit: | 16 December 2019 | |||||||||
| Date of first compliant Open Access: | 16 December 2019 | |||||||||
| RIOXX Funder/Project Grant: |
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