Optimization by Grey Relational Analysis of EDM Parameters on Machining Ti-6Al-4V

Zhi Ping Xie; Ji Ming Zheng; Bian Li Quan

doi:10.4028/www.scientific.net/AMR.139-141.540

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 139-141Optimization by Grey Relational Analysis of EDM...

Optimization by Grey Relational Analysis of EDM Parameters on Machining Ti-6Al-4V

Abstract:

In this paper, parameter optimization of the electrical discharge machining process to Ti–6Al–4V alloy considering the multiple responses using the Taguchi method and grey relational analysis is reported. The multi-response optimization of the process parameters are material removal rate (MRR) and electrode wear rate (EWR). The machining parameters including discharge current, voltage, pulse on time and duty factor. Experiment based on the orthogonal array, The optimized process parameters simultaneously leading to a lower electrode wear ratio and higher material removal rate are then verified through a confirmation experiment. The experimental result for the optimal setting shows that there is considerable improvement in the process. The validation experiments show an improved electrode wear ratio of 2.8%, material removal rate of 45.8% when the Taguchi method and grey relational analysis are used.

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Periodical:

Advanced Materials Research (Volumes 139-141)

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540-544

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.139-141.540

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Online since:

October 2010

Authors:

Zhi Ping Xie, Ji Ming Zheng, Bian Li Quan

Keywords:

EDM, Grey Relational Analysis (GRA), Multiple Response, Taguchi Method, Ti-6Al-4V Alloy

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