Microstructure and Wear Behavior of Spray Deposited Zn-30Al-1Cu Alloy
TL;DRAbstract
In this study, Zn-30Al-1Cu (wt.%) alloy was prepared by the spray atomization and deposition technique. The microstructures of the spray-deposited and cast alloys were investigated by means of optical microscope, scanning electron microscope and X-ray diffraction. The wear resistance of the alloys was studied using a pin-on-disc machine under four loads, namely 20, 40, 60 and 80 N. It can be seen that the microstructure of spray-deposited Zn-30Al-1Cu alloy is mainly composed of the Zn/Al eutectoids, and the presence of -CuZn4 compounds in the conventional cast Zn-30Al-1Cu alloy was suppressed. The dry sliding wear test results indicate that spray deposited Zn-30Al-1Cu alloy exhibited an improved wear resistance at the entire applied load range in comparison to the cast one.
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In this study, Zn-30Al-1Cu (wt.%) alloy was prepared by the spray atomization and deposition technique. The microstructures of the spray-deposited and cast alloys were investigated by means of optical microscope, scanning electron microscope and X-ray diffraction. The wear resistance of the alloys was studied using a pin-on-disc machine under four loads, namely 20, 40, 60 and 80 N. It can be seen that the microstructure of spray-deposited Zn-30Al-1Cu alloy is mainly composed of the Zn/Al eutectoids, and the presence of -CuZn4 compounds in the conventional cast Zn-30Al-1Cu alloy was suppressed. The dry sliding wear test results indicate that spray deposited Zn-30Al-1Cu alloy exhibited an improved wear resistance at the entire applied load range in comparison to the cast one.
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