Analysis of Granules and Hardness on Metal Alloys 77 % Cu 23 % ZnJournal: International Journal of Scientific Engineering and Research (IJSER) (Vol.4, No. 6)
Publication Date: 2016-06-05
Authors : Sri Wuryanti;
Page : 22-23
Keywords : Alloy; Cooper; Grain; Micro hardness; Optic microscope; Zinc;
This analysis is designed to observe sum, hardness, and number of grains. Grain refinement is one solution to reducing damage caused by heating. The sample of alloys, Cu 77% - Zn 23%, 50 mm in diameter, was analyzed using Optic Microscope and Buehler Micro Hardness. Experiments suggest the amount of grain is 5824 grains/mm2, large number of grain (ASTM G), 9.558, and mean hardness, 123.506 HV.
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