EFFECT OF SILICON CONTENT ON MACHINABILITY OF Al-Si ALLOYS
Birol Akyüz 1  
 
 
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Department of Mechanical and Manufacturing Engineering, Bilecik Seyh Edebali University, 11200 Bilecik, Turkey
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Birol Akyüz   

Bilecik Seyh Edebali University, Bilecik S.E.University, Gülümbe, 11200 Bilecik, Turkey
Publish date: 2016-09-01
 
Adv. Sci. Technol. Res. J. 2016; 10(31):51–57
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ABSTRACT
In this study the effect of the change in the amount of Silicon (Si) occuring in Al-Si alloys on mechanical and machinability properties of the alloy was investigated. The change in mechanical properties and microstructure, which depends on the increase in Si percentage, and the effects of this change on Flank Build-up (FBU), wear on the cutting edge, surface roughness, and machinability were also studied. Alloys in different ratios of Si (i.e. 2 to 12 wt %), were employed in the study. The specimens for tests were obtained by casting into metal moulds. The results obtained from experimental studies indicate improved mechanical properties and machinability, depending on the rise in Si percentage in Al-Si alloys. It is also observed that the increase in Si percentage enhanced surface quality.