Journal
JOURNAL OF THE MECHANICAL BEHAVIOR OF MATERIALS
Volume 32, Issue 1, Pages -Publisher
DE GRUYTER POLAND SP Z O O
DOI: 10.1515/jmbm-2022-0287
Keywords
EDM; coated electrode; graphene; aluminum; MRR; TWR
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Coated electrodes are a solution to reduce the production cost in electrical discharge machining (EDM). This article analyzes and evaluates the efficiency of using graphene-coated aluminum (Al) electrode for Ti-6Al-4V in EDM. The research results show significant improvement in quality characteristics and surface quality of the specimen with coated electrodes in EDM compared to uncoated electrodes.
Since the cost of electrodes in electrical discharge machining (EDM) is usually too high, it leads to a significant increase in the production cost. Hence, it is important to conduct research aimed at reducing the manufacturing cost of electrodes. Currently, coated electrodes are a new process solution in EDM. It can improve the economic and technical efficiency of this technology. In this article, the efficiency of the graphene-coated aluminum (Al) electrode in the EDM for Ti-6Al-4V was analyzed and evaluated. Material removal rate and tool wear rate were used as quality indicators in this work. The research results have shown a significant improvement in quality characteristics in EDM with coated electrodes compared to EDM with uncoated electrodes. The surface quality of the specimen with coated electrodes in EDM was also improved.
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