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HomeSolid State PhenomenaSolid State Phenomena Vol. 266Multi-Response Optimization of EDM for Ti-6Al-4V...

Multi-Response Optimization of EDM for Ti-6Al-4V Using Taguchi - Grey Relational Analysis

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Abstract:

Ti-6Al-4V is a titanium alloy having high strength, low weight and corrosion resistant which is a required characteristic for a material to be used in aerospace industry. Titanium, being a hard alloy is difficult to the machine via conventional methods so it is a call to use non-conventional processes. In present work, the effects on Ti-6Al-4V by drilling a hole of Ø 6 mm using copper (99%) electrode in electric discharge machining (EDM) process is analyzed. Experiments were performed under different operating conditions of peak current, pulse-on time and pulse-off time. Multi-objective optimization technique Grey relational analysis is used for process optimization of material removal rate (MRR) and electrode wear rate (EWR). Experiments are designed using an L₉ orthogonal array. ANOVA is used for finding most contributing parameter followed by confirmation tests for validating the results.

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Material and Manufacturing Technology VIII

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Periodical:

Solid State Phenomena (Volume 266)

Pages:

43-50

DOI:

https://doi.org/10.4028/www.scientific.net/SSP.266.43

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Online since:

October 2017

Authors:

Ritesh Joshi*, Gopal Zinzala, Nishit Nirmal, Kishan Fuse

Keywords:

ANOVA, Electric Discharge Machining, Grey Relational Analysis, Ti-6Al-4V

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