Effect of Melt Temperature on the Interfacial Thermal Resistance and Solidification Behaviour of Al/SiCp Composites

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The effect of melt temperature on the interfacial thermal resistance and solidification behaviour of A356/10% SiCp during squeeze casting is studied. The melt pouring temperatures are considered in the investigation within the range of 750 - 900°C respectively. The squeeze pressure is kept constant at 100 MPa. It was observed that the solidification time increased with the melt temperature from 40 seconds at 750°C to 51 seconds at 900°C. The results also showed that the cooling rate decreased with melt temperatures. The solidification time calculated from the theoretical expression was found to be in good agreement with that obtained from the experimental cooling curves. The interfacial thermal resistance value increases from 0.000043 to 0.000203 m2 K/W when the melt temperature is increased from 750 to 900°C.

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35-40

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August 2014

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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[1] A. Sakthivel, R. Palaninathan, R. Velmurugan, P. Raghothama Rao, Production and mechanical properties of SiCp particle-reinforced 2618 aluminum alloy composites, Journal of Materials Science, 2008, 43, 7047-7056.

DOI: 10.1007/s10853-008-3033-z

Google Scholar

[2] S. Balasivanandha Prabu, S, L. Karunamoorthy, S. Kathiresan, B. Mohan, Influence of stirring speed and stirring time on distribution of particles in cast metal matrix composite, Journal of Materials Processing Technology, 2006, 171, 268-273.

DOI: 10.1016/j.jmatprotec.2005.06.071

Google Scholar

[3] Y. H. Seo, C.G. Kang, The effect of applied pressure on particle dispersion characteristics and mechanical properties in melt-stirring squeeze cast SiCp/Al composites, Journal of Materials Processing Technology, 1995, 55, 370-379.

DOI: 10.1016/0924-0136(95)02033-0

Google Scholar

[4] T.M. Yue, G.A. Chadwick, Squeeze casting of light alloys and their composites, Journal of Materials Processing Technology 1996, 58, 302-307.

DOI: 10.1016/0924-0136(95)02148-5

Google Scholar

[5] Y. Nishida, W. Droste, S. Engler, The air gap formation process at the casting –mold interface and the heat transfer mechanism through the gap, Metallurgical Trans B, 1986, 17B, 836-844.

DOI: 10.1007/bf02657147

Google Scholar

[6] G.S. Hanumanth, G.A. Irons, Solidification of particle reinforced metal-matrix composites, Metallurgical and Materials Transactions B, 1996, 27B, 663-671.

DOI: 10.1007/bf02915665

Google Scholar

[7] L.J. Yang, The effect of solidification time in squeeze casting of aluminium and zinc alloys, Journal of Materials Processing Technology, 2007, 192-193, 114-120.

DOI: 10.1016/j.jmatprotec.2007.04.025

Google Scholar

[8] A. Maleki, B. Niroumand, A. Shafyei, Effect on squeeze casting parameters on density, macrostructure and hardness of LM13 alloy, Mater Sci Eng A, 2006, 426, 135-140.

DOI: 10.1016/j.msea.2006.04.099

Google Scholar

[9] Y.A. Cengel, Heat Transfer: A Practical Approach; McGraw-Hill, USA (2003).

Google Scholar