Advances in materials Research

  • 제5권2호
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  • Pages.67-80
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  • 2016
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  • 2234-0912(pISSN)
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  • 2234-179X(eISSN)
테크노프레스 (Techno-Press)
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DOI QR코드

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Multi-response optimization for milling AISI 304 Stainless steel using GRA and DFA

  • Naresh, N. (Department of Mechanical Engineering, Sree Vidyanikethan Engineering College) ;
  • Rajasekhar, K. (Department of Mechanical Engineering, N.B.K.R. Institute of Science and Technology)
  • 투고 : 2016.06.18
  • 심사 : 2016.07.29
  • 발행 : 2016.06.25
⟨ 이전 논문 다음 논문 ⟩

초록

The objective of the present work is to optimize process parameters namely, cutting speed, feed rate, and depth of cut in milling of AISI 304 stainless steel. In this work, experiments were carried out as per the Taguchi experimental design and an $L_{27}$ orthogonal array was used to study the influence of various combinations of process parameters on surface roughness (Ra) and material removal rate (MRR). As a dynamic approach, the multiple response optimization was carried out using grey relational analysis (GRA) and desirability function analysis (DFA) for simultaneous evaluation. These two methods are considered in optimization, as both are multiple criteria evaluation and not much complicated. The optimum process parameters found to be cutting speed at 63 m/min, feed rate at 600 mm/min, and depth of cut at 0.8 mm. Analysis of variance (ANOVA) was employed to classify the significant parameters affecting the responses. The results indicate that depth of cut is the most significant parameter affecting multiple response characteristics of GFRP composites followed by feed rate and cutting speed. The experimental results for the optimal setting show that there is considerable improvement in the process.

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참고문헌

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