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Investigation on physical and mechanical behaviour of A356 - x wt. % SiC/Gr hybrid composites

P. Sathish Kumar ; Department of Mechanical Engineering, United Institute of Technology, Coimbatore, India
A. Ramesh ; Department of Mechanical Engineering, SCAD Institute of Technology, Tirupur, India
R. Soundararajan ; Department of Mechanical Engr, Sri Krishna College of Engr. and Tech, Coimbatore, India

Puni tekst: engleski pdf 1.233 Kb

str. 31-34

preuzimanja: 486



The experiments were planned to fabricate an A356 as a matrix material with 3, 6, 9, 12 wt. % of SiC and 3 wt. % of Gr as reinforcements to cast the hybrid composites at optimal process variable conditions using squeeze casting technique. Further T6 heat treated casted samples are prepared for testing as per standard procedure to record the responses like density, porosity, hardness, ultimate tensile strength, and percentage elongation respectively. There is a gradual increment in density because of adding an optimal level of up to 9 wt. % of SiC and 3 wt. % of Gr strengthening particles available in the A356 matrix and the porosity present in the sample diminishes, which in turn increases the hardness.

Ključne riječi

A356; silicon carbide; graphite; hybrid composites; mechanical properties

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