Jagannath, K and Sharma , S S and Mohan, N S and Prabhu, P R (2010) Stir Casting Technique for low Melting point Metal Matrix Composites and Characteristic study. World Journal of Engineering, 7 (3). pp. 511-5121. ISSN 1708-5284

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Abstract

Metal-matrix composites (MMC’s) are now attracting enormous interest among the researchers. One of the prime reasons for this is that significant advances made in recent years on the development of fabrication routes, which are economically attractive and generate material of high micro structural quality. In particular, it is possible to produce composites, which are relatively free from gross defects Among metallic composites low melting point matrix composites have the additional advantages of getting uniform distribution. Semi-solid forming method is adopted in industries for the production of metal matrix composites. This method has an advantage compared to die casting, squeeze casting or forging. Because of the well dispersed particles in metal matrix composites using semi-solid forming process. This paper describes stir-casting method for production of high-density, low melting point metal matrix composites such as tin with graphite. The melting is performed in nitrogen gas environment to avoid oxidation. Paper presents low cost stir casting technique for metal matrix production. Micro structural examination and characteristic study of the metallic composites are discussed.

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