Thermodynamics of the Effect of Alloying Additions on In-Situ Reaction to Synthesize TiC/Mg Composites

Abstract:

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The effect of the alloying element additions on in-situ chemical reaction to synthesize particulate reinforced TiC/Mg composites was evaluated from the viewpoint of thermodynamics. The influences of alloying elements on the changes of the activity coefficient and the excess free energy in molten magnesium were calculated. The results show that additions, such as Nd, La, Ca, Cu and Zr can promote TiC formation, at the same time hinder the brittle TiAl3 phase formation.

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Periodical:

Main Theme:

Edited by:

Di Zhang, Jingkun Guo and Chi Y. A. Tsao

Pages:

161-165

DOI:

10.4028/www.scientific.net/KEM.351.161

Citation:

W. Cao et al., "Thermodynamics of the Effect of Alloying Additions on In-Situ Reaction to Synthesize TiC/Mg Composites", Key Engineering Materials, Vol. 351, pp. 161-165, 2007

Online since:

October 2007

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$35.00

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