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Journal of Reinforced Plastics and Composites
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28/20/2445    most recent
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Some Studies in Metal Matrix Composites Machining using Response Surface Methodology

V.N. Gaitonde

Department of Industrial and Production Engineering B.V.B. College of Engineering and Technology, Hubli-580 031, Karnataka, India, gaitondevn{at}yahoo.co.in

S.R. Karnik

Department of Electrical and Electronics Engineering B.V.B. College of Engineering and Technology, Hubli-580 031, Karnataka, India

J. Paulo Davim

Department of Mechanical Engineering, University of Aveiro Campus Santiago, 3810-193 Aveiro, Portugal

The present study establishes the relationship between cutting conditions and machinability characteristics during the turning of metal matrix composites (MMC). The investigation aims at determining the effects of cutting speed and feed rate on machining force, cutting power, and specific cutting force by developing second-order mathematical models using response surface methodology (RSM). Aluminum alloy reinforced with 20% of SiC particulates (A 356/20/SiCp-T6) were machined using a polycrystalline diamond (PCD) tool. The experiments have been planned as a full factorial design of experiments (FFD). The analysis of variance (ANOVA) was performed to check the adequacy of the mathematical models. The parametric analysis reveals that the machining force and cutting power increase with increase in feed rate while the specific cutting force decreases.

Key Words: metal matrix composites • polycrystalline diamond (PCD) tool • turning • machinability • response surface methodology (RSM).

This version was published on October 1, 2009

Journal of Reinforced Plastics and Composites, Vol. 28, No. 20, 2445-2457 (2009)
DOI: 10.1177/0731684408092375
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