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Influence of bismuth on the microstructure, hardness and dry sliding wear behavior of magnesium silicide reinforced magnesium alloy composite

https://doi.org/10.17586/2220-8054-2016-7-4-618-620

Abstract

The modification effect of bismuth (Bi) on in-situ-formed magnesium silicide (Mg2Si) reinforced magnesium-aluminium (Mg–Al) alloy is investigated using optical microscope, scanning electron microscope and X-ray diffraction. Processing of the in-situ composite was carried out through a stir casting technique. The size of Mg2Si is significantly refined and the optimal modification effect was obtained when the Bi content in the composite is 1.4%. A slight decrease in hardness values and increase in wear resistance were observed in the study with bismuth addition.

About the Authors

D. E. Umesha
1Bapuji Institute of Engineering and Technology
India

Davangere–577004



D. Shivalingappa
Adhiyamaan College of Engineering
India

Hosur–635109



R. Kishore Kumar
Adhiyamaan College of Engineering
India

Hosur–635109



Binto Tomy
Adhiyamaan College of Engineering
India

Hosur–635109



D. Ramesh Rao
M.S. Ramaiah Institute of Technology
India

Bangalore–560099



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For citations:


Umesha D.E., Shivalingappa D., Kishore Kumar R., Tomy B., Ramesh Rao D. Influence of bismuth on the microstructure, hardness and dry sliding wear behavior of magnesium silicide reinforced magnesium alloy composite. Nanosystems: Physics, Chemistry, Mathematics. 2016;7(4):618-620. https://doi.org/10.17586/2220-8054-2016-7-4-618-620

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ISSN 2220-8054 (Print)
ISSN 2305-7971 (Online)