Effect of Degassing and Heat Treatment on Microstructure and Mechanical Properties of A356.0
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2017, Vol 5, Issue 2
Abstract
In this present research study, A356.0 was systematically studied on mechanical properties in order to establish the database for further investigation in degassing, heat treatment and microstructure. Because of specific microstructure and characteristics, the heat treatment condition of A356.0 was explored through the observations of microstructure and the measurement of micro-hardness. In the investigation of heat treatment, it was observed that the eutectic silicon was refined and spheroidzed which is unlikely for conventional processing. This study shows the systematic approach to find the root cause of major defects in aluminium alloy wheels which were identified as shrinkages, inclusions, porosity/gas holes and cracks etc using defect diagnostic approach. As hydrogen forms gas holes and porosity in the aluminium castings the amount of hydrogen present in the molten metal is studied by finding specific gravity of the samples collected. The general type of heat treatments applied to aluminium and its alloys is preheating or homogenizing and also to reduce chemical segregation of cast structures and to improve their work ability. Test of mechanical properties is done through various tests like hardness test, tensile test, impact test, ductility Test.
Authors and Affiliations
Md Salman Ahmed, Mohammed Abdul Mubin, Md Abdullah, Ashraf Shaik, Mohammed Anwar
Keywords
Related Articles
- EP ID EP23143
- DOI http://doi.org/10.22214/ijraset.2017.2054
- Views 271
- Downloads 6
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