Mechanical Properties of SiC/FexSiy Composites

Abstract:

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The SiC/FexSiy composites were synthesized by reaction sintering process with iron tailings as raw material and carbon as reductant. The room and high temperature flexural strengths and fracture toughness of composites were studied in this paper. Fracture surfaces were observed by means of a scanning electron microscope (SEM). The results showed that the room temperature flexural strength of SiC/FexSiy composites changed along with the different contents of FexSiy and sintering temperature. The flexural strength of composites reaches the maximum at 900°C. The correlation between flexural strength and temperature is consistent with curveⅠ.The fracture toughness of composites is related to the content of FexSiy. The fracture behavior of composites is mainly transcrystalline in room temperature and intercrystalline in high temperature.

Info:

Periodical:

Advanced Materials Research (Volumes 236-238)

Edited by:

Zhong Cao, Yinghe He, Lixian Sun and Xueqiang Cao

Pages:

1523-1527

DOI:

10.4028/www.scientific.net/AMR.236-238.1523

Citation:

X. M. Zhang et al., "Mechanical Properties of SiC/FexSiy Composites", Advanced Materials Research, Vols. 236-238, pp. 1523-1527, 2011

Online since:

May 2011

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Price:

$35.00

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