Abstract
In this study, Cu alloys in different ratios (2, 4, 6 and 8%) were added into the commercial purity (99.8% Al) aluminum alloys and Al-Cu alloys were prepared by sand mold casting method. In the current study, chemical composition is determined by spectrometer, density and hardness are measured, the wear and friction behavior are investigated, and finally microstructure of Al-Cu alloys is examined by optical microscopy. Wear tests were made under dry sliding, at pin-on-disk wear device and against X40CrMoV5-1 steel disc. In wear tests, 20, 40 and 60N loads, 0.5-1.5 m/s sliding speed were used, respectively. As a result, coefficient of friction of pure Al and Cu filled Al alloys increased by load and sliding speed. Wear ratio decreased with load while increased by the sliding speed. Wear rates of Cu filled Al alloy were determined about 10 -13 m 2 /N.
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