Experimental Investigation of Mechanical Properties of Pure Al-Sic Metal Matrix Composite by Stir Casting Method

Author(s):  
Redankamma Yenumula ◽  
◽  
Srinivasulu Dorasila ◽  
CV Ramana Murthy Naidu S ◽  
Rambabu Kalpukuri
2018 ◽  
Vol 7 (3.34) ◽  
pp. 369
Author(s):  
Nagendran N ◽  
Shanmuganathan V K ◽  
Gayathri N ◽  
Suresh K ◽  
Aravindh S ◽  
...  

Fine mechanical and thermal properties of metal matrix composites make them more demanding in various fields such as automotive, aerospace and structural applications. In this paper an effort has been made to fabricate a metal matrix composite, Titanium-di-oxide and silicon carbide reinforced in Al 6061 matrix using stir casting method. The reinforcements were added in 2%, 4% and 6% of weight to Al6061 to fabricate the metal matrix composite. Castings were machined and the specimens were prepared for various testing. Mechanical properties such as tensile strength, hardness, and corrosion analysis were studied for various compositions of reinforcements. And then the reinforcement was analyzed and studied for the improvement of mechanical properties in the material.  


2015 ◽  
Vol 813-814 ◽  
pp. 34-39
Author(s):  
Karunanaithi Saravanan ◽  
Mariappan Senthil Kumar ◽  
Perumal Venkatachalam ◽  
Rajaram Raghavan

In this experiment, comparison analysis of mechanical properties, porosity and grain size of Pure Al (powder), 95%AL + 5% B4C (With sand casting method) and 95%AL + 5% B4C (With ECAP method) are determined. The ECAP method value is much greater than the sand casting method,because of metal matrix composite microstructure refinement during the pressing operation. Because of material porosity value decreases, powder particle consolidation, the closure of porosity, grain refinement and improve in dislocation occurs as ECAP method gives the results of Mechanical properties as like tensile strength 105.8Mpa, Hardness 94HV, density 888.88kg/m3values increase. At the same time, porosity and grain size value will be reduced because of individual power consolidation happening during ECAP methods like as 1.63% and 8μm. In this metal matrix composite is applied to aeronautical and automobile industry


Author(s):  
Madan Kumar K.N. ◽  
G. M. Satyanarayana

Aluminium based composite are getting a vast scope nowadays because of its properties and availability. In the present work, fly ash and AL2O3 reinforced composite are prepared using stir casting technique for varying wt.% (fly ash 3% and AL2O3 3%, 6% & 9%). Hardness and tensile properties were determined, with the addition of reinforcement the properties are improved compared to the parent metal alone. Based on the evaluation 6% AL2O3 and 3%fly ash gives a better result as compared to other composition.


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