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Structural Engineering and Mechanics   Volume 61, Number 4, February25 2017, pages 519-526
Effects of coating material and cutting parameters on the surface roughness and cutting forces in dry turning of AISI 52100 steel
Ouahid Keblouti, Lakhdar Boulanouar, Mohamed Walid Azizi and Mohamed Athmane Yallese

Abstract     [Buy Article]
    In the present paper, the effects of cutting parameters and coating material on the performances of cutting tools in turning of AISI 52100 steel are discussed experimentally. A comparative study was carried out between uncoated and coated (with TiCN-TiN coating layer) cermet tools. The substrate composition and the geometry of the inserts compared were the same. A mathematical model was developed based on the Response Surface Methodology (RSM). ANOVA method was used to quantify the effect of cutting parameters on the machining surface quality and the cutting forces. The results show that feed rate has the most effect on surface quality. However, cutting depth has the significant effect on the cutting force components. The effect of coating layers on the surface quality was also studied. A lower surface roughness was observed when using PVD (TiCN-TiN) coated insert. A second order regression model was developed and a good accuracy was obtained with correlation coefficients in the range of 95% to 97%.
Key Words
    coating material; cutting tool; mathematical model; RSM; ANOVA; machining surface; cutting forces
Ouahid Keblouti, Lakhdar Boulanouar and Mohamed Walid Azizi : Advanced Technologies in Mechanical Production Research Laboratory (LRTAPM), Badji Mokhtar-Annaba University,
BP 12 Annaba 23000, Algeria
Mohamed Athmane Yallese : Mechanics and Structures Research Laboratory (LMS), May 8th 1945 University, PO Box 401, Guelma 24000, Algeria

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