Akademik Veri Yönetim Sistemi
3rd International Conference on Applied Engineering and Natural Sciences, Konya, Türkiye, 20 - 23 Temmuz 2022, ss.133-136
In this study, Al2024-SiC nanocomposites produced by powder metallurgy method were macined by CNC method. Al2024 and nano SiC powders were mixed with each other for 8 hours at a rotational speed of 400 rpm, with a ball powder ratio of 10:1. The mixed composite powders were sintered under a 500 MPa press for 3 hours at 560 °C with a hot press device. Microstructure images and chemical analyzes of the produced samples were performed with SEM and EDS analyzes, respectively. Each of the samples was machined with a CNC device and the surface morphologies after machining were analyzed with the SEM device. In addition, the hardness of nanocomposite samples before and after machining were measured with Brinell hardness device. In addition, material removal rates (MRR) and surface roughness (SR) of nanocomposites after machining were measured and calculated. According to the results, both premachining and post-machining hardness values increased with the increase of reinforcement. The highest hardness values are nanocomposite with 4% reinforcement by weight. In addition, the lowest MRR value belongs to the 4% reinforced nanocomposite, while the lowest SR value belongs to the reinforced base Al2024 alloy.