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Gas Phase Solid Freeform Fabrication of Saldvi of SiC Cermets

Published online by Cambridge University Press:  10 February 2011

J.E. Crocker ,
L. Shaw  and
H.L. Marcus
J.E. Crocker
Affiliation:
Institute of Materials Science, Department of Metallurgy and Materials Engineering, University of Connecticut, Storrs, CT 06268
L. Shaw
Affiliation:
Institute of Materials Science, Department of Metallurgy and Materials Engineering, University of Connecticut, Storrs, CT 06268
H.L. Marcus
Affiliation:
Institute of Materials Science, Department of Metallurgy and Materials Engineering, University of Connecticut, Storrs, CT 06268
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Abstract

In this work, the solid freeform fabrication of cermets was explored. Using a laser-based approach, SiC was deposited by chemical vapor deposition from tetramethylsilane gas into powder layers of Cu, Mo, or Ni. The resulting structures were examined to observe the extent of reaction between the metal powders and the vapor deposited SiC. Silicide formation was observed, most readily with the Ni powder. The thermal expansion of the metals compared to that of the vapor deposited SiC affected the interfacial stresses generated in the cermets during fabrication.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 625: Symposium Y – Solid Freeform & Additive Fabrication – 2000 , 2000 , 211
Copyright
Copyright © Materials Research Society 2000

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