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Preparation of TiC/ Fe Surface Composite by a Casting–SHS Process

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Abstract:

Steel castings with a ceramic reinforced surface layer have been prepared by a casting process combined with self-propagation high-temperature synthesis (SHS). Two material systems, Fe-Ti-C-Al and Al-Fe2O3, were selected in this paper to prepare the steel castings with a ceramic reinforced surface layer. During the process, high temperature steel melt was poured into a sand mould in which SHS performs were cast. The performs were ignited by the high temperature steel melt. As a result, an SHS reaction happened and ceramic reinforcements were synthesized inside the mould. After the penetration of the molten steel and the scattering of the ceramic reinforcement, a steel casting with an in-situ ceramic reinforced surface layer was obtained.

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Periodical:

Key Engineering Materials (Volumes 373-374)

Pages:

666-669

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.373-374.666

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Online since:

March 2008

Authors:

B.S. Jin, Y.F. Jiao, G. Li

Keywords:

Cast Steel, Casting, Metal Matrix Composite (MMC), Self-Propagation High-Temperature Synthesis (SHS)

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© 2008 Trans Tech Publications Ltd. All Rights Reserved

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