IJERT-EMS
IJERT-EMS

Variation of Hardness in Combined Refined and Modified Al-20Si-5Cu Alloy from Pure Aluminium


Variation of Hardness in Combined Refined and Modified Al-20Si-5Cu Alloy from Pure Aluminium
Authors : C V Raja Reddy, Dr. K G Basava Kumar, Dr. T N Rao
Publication Date: 04-07-2017

Authors

Author(s):  C V Raja Reddy, Dr. K G Basava Kumar, Dr. T N Rao

Published in:   International Journal of Engineering Research & Technology

License:  This work is licensed under a Creative Commons Attribution 4.0 International License.

Website: www.ijert.org

Volume/Issue:   Volume. 6 - Issue. 07 , July - 2017

e-ISSN:   2278-0181

 DOI:  http://dx.doi.org/10.17577/IJERTV6IS070045

Abstract

This paper tries to investigate the variations in the hardness value of Al-20Si-5Cu from pure aluminium under different conditions like after refining aluminium and subjecting the Al-20Si-5Cu alloy to modification by , Phosphorous and Strontium, and from that of pure aluminium. The changes in microstructure after refinement and modification especially of morphology in primary silicon and distribution of eutectic silicon and Al2Cu are discussed as the factors influencing hardness.

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