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International Journal of Innovation and Scientific Research
ISSN: 2351-8014
 
 
Sunday 13 October 2019

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Effect of SiCp addition on the indentation hardness of as-cast Al metal matrix composites


Volume 11, Issue 2, November 2014, Pages 433–438

 Effect of SiCp addition on the indentation hardness of as-cast Al metal matrix composites

Tawsif Ahmed Siddique, Md. Tanjidul Islam, Mohammad Sharear Kabir, and Md. Nasrul Haque

Original language: English

Received 4 September 2014

Copyright © 2014 ISSR Journals. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract


The indentation hardness of Al-SiCp metal-matrix composites synthesized by stir casting process was investigated. Stir casting method was selected as the casting method due to its simplicity, flexibility and applicability. This method allows a conventional metal processing route to be used which minimizes the cost of the product. The silicon carbide particles to be used were first ball milled for size reduction. These particles were then sieved in a mechanical shaker to obtain different particle sizes. SiC particles of size 74µm corresponding to mesh 200 were selected for addition to the Al matrix. The composite was prepared by adding preheated SiC particles to the Aluminium melt via stir casting. Test specimens were prepared by varying the wt% of SiC (1%, 3%, 5%, 7% and 9%). As the SiCp additions were increased, the hardness of the composite increased to a large extent. This can be attributed to the uniform distribution of the SiC particles in the Al matrix via stir casting method.

Author Keywords: SiCp, indentation hardness, as-cast Al metal matrix composites.


How to Cite this Article


Tawsif Ahmed Siddique, Md. Tanjidul Islam, Mohammad Sharear Kabir, and Md. Nasrul Haque, “Effect of SiCp addition on the indentation hardness of as-cast Al metal matrix composites,” International Journal of Innovation and Scientific Research, vol. 11, no. 2, pp. 433–438, November 2014.