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Microstructures of Co-Continuous SiC/Fe-2Cr13 Composite Fabricated by Vacuum-Pressure Casting and Infiltration Processes

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Abstract:

The microstructure of the matrix and the interface of co-continuous SiC/Fe-2Cr13 (porous SiC preforms infiltrated with the Fe-2Cr13) composites has been investigated by XRD, EDS attached to SEM. Results showed that the reaction zone between SiC and Fe-2Cr13 includes two sections, which are silicon carbide reaction zone (SRZ) and metal reaction zone (MRZ), the MRZ can be divided two sections, one is the poor chromium zone (PCrZ-MRZ) and the other is rich chromium zone (RCrZ-MRZ). SRZ is mainly composed of Fe5Si3, Cr7C3, Cr23C6 and Cr3Si, and randomly distributed graphite precipitates. RCrZ-MRZ mainly contains Cr23C6, while PCrZ-MRZ is mostly made up of Fe2Si.

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Advanced Materials, CEAM 2011 View Preview

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Periodical:

Advanced Materials Research (Volumes 239-242)

Pages:

1661-1664

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.239-242.1661

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Online since:

May 2011

Authors:

Liang Yu, Yan Li Jiang, Hong Qiang Ru, Jiang Tao Liu, Kun Luo

Keywords:

Co-Continuous, Composite, Interface, Microstructure, SiC/2Cr13

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© 2011 Trans Tech Publications Ltd. All Rights Reserved

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