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https://hdl.handle.net/11499/46444
Title: | Investigating on the machinability assessment of precision machining pumice reinforced AA7075 syntactic foam | Authors: | Bolat, Cagin Ergene, Berkay Karakilinc, Ucan Goksenli, Ali |
Keywords: | Pumice aluminum syntactic foam machining cutting force roughness chips Metal-Matrix Composites Strain Rate Response Surface-Roughness Cutting Force Tool Wear Chip Formation Mechanical-Properties Part I Parameters Behavior |
Publisher: | Sage Publications Ltd | Abstract: | On the road to real applications, although there are lots of efforts focusing on mechanical and physical features in the literature, their machining abilities were examined in a very limited manner. In this study, machining properties of pumice reinforced AA7075 syntactic foams manufactured via the newly offered sandwich infiltration technique were investigated by performing face turning. Physical and microstructural (optical and SEM works) analyses were conducted on fabricated foams to carry out sample characterization. All machining forces were measured for different cutting speeds (25, 50, and 100 m/min) and feed rates (0.05, 0.10, and 0.15 mm/rev). After the turning operation, areal surface roughness values were measured using a 3D surface profilometer and material removal rate (MRR) values were calculated. Besides, chip mixtures including pumice and metal fragments were collected to probe chip morphology in detail. The results showed that machining forces were affected by the operation parameters differently, and the lowest surface roughness was detected at the cutting speed of 100 m/min and 0.05 mm/rev feed rate. Furthermore, the shape of the metal chips changed from long/continuous characteristic to saw-tooth morphology depending on increasing cutting speed levels while pumice particles exhibited breakaway tendency as the feed rates went up. | URI: | https://doi.org/10.1177/09544062211027613 https://hdl.handle.net/11499/46444 |
ISSN: | 0954-4062 2041-2983 |
Appears in Collections: | Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection Teknoloji Fakültesi Koleksiyonu WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection |
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