Microstructure and Wear Behavior Of as Cast Al-25mg2si-2cu-2ni Alloy
Journal: International Journal of Engineering Research (IJER) (Vol.4, No. 9)Publication Date: 2015-09-01
Authors : Geetanjali.S.Guggari; Veena.Badiger; Shivakumar S;
Page : 470-474
Keywords : Aluminium; Passivation; Hyperutectic;
Abstract
The remarkable feature of the Aluminium is its low density and ability to withstand corrosion effect due to phenomenon of passivation. Structural components made from Aluminium and its alloys are vital to the aerospace industry and are important in other areas of transportation and structural materials. The oxides and sulphate are useful compounds of Aluminium based on its weight. In this work, an attempt has been made to utilize the combined effect of high cooling rate solidification, unique micro structural evolution mechanism of T6 heat treatment the advantages of hypereutectic Al-Si system alloyed with other elements such as Cu, Fe and Mg. In the present investigation, the binary alloys in the hypereutectic range viz. Al25Mg2Si has been selected as heat resistant Al-Si alloys. A systematic approach has been carried out to explore the micro structural features, mechanical and wear properties of as cast alloys.
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