EFFECT OF ABRASIVE TYPE ON THE SURFACE ROUGHNESS AND MRR IN MAF OF AISI 304 STEEL

Mahmut Çelik, GÜRÜN Hakan and ULAŞ ÇAYDAŞ
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Mahmut Çelik: Department of Airframe and Powerplant Maintenance, Faculty of Aeronautics and Astronautics, Erciyes University, Kayseri, Turkey
GÜRÜN Hakan: ��Department of Manufacturing Engineering, Faculty of Technology, Gazi University, Ankara, Turkey
ULAŞ ÇAYDAŞ: ��Department of Mechanical Engineering, Faculty of Technology, Firat University, Elazig, Turkey

Surface Review and Letters (SRL), 2021, vol. 28, issue 12, 1-11

Abstract: In this study, the effects of experimental parameters on average surface roughness and material removal rate (MRR) were experimentally investigated by machining of AISI 304 stainless steel plates by magnetic abrasive finishing (MAF) method. In the study in which three different abrasive types were used (Al2O3, B4C, SiC), the abrasive grain size was changed in two different levels (50 and 80μm), while the machining time was changed in three different levels (30, 45, 60min). Surface roughness values of finished surfaces were measured by using three-dimensional (3D) optical surface profilometer and surface topographies were created. MRRs were measured with the help of precision scales. The abrasive particles’ condition before and after the MAF process was examined and compared using a scanning electron microscope. As a result of the study, the surface roughness values of plates were reduced from 0.106μm to 0.028μm. It was determined that the best parameters in terms of average surface roughness were 60min machining time with 50μm B4C abrasives, while the best result in terms of MRR was taken in 30min with 50μm SiC abrasives.

Keywords: Magnetic abrasive finishing; surface roughness; material removal rate; AISI 304 (search for similar items in EconPapers)
Date: 2021
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DOI: 10.1142/S0218625X21501225

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