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Microwave Sintering of Boron Carbide

Published online by Cambridge University Press:  21 February 2011

J. D. Katz
Affiliation:
Los Alamos National Laboratory, Los Alamos, NM 87545
R. D. Blake
Affiliation:
Los Alamos National Laboratory, Los Alamos, NM 87545
J. J. Petrovic
Affiliation:
Los Alamos National Laboratory, Los Alamos, NM 87545
H. Sheinberg
Affiliation:
Los Alamos National Laboratory, Los Alamos, NM 87545
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Abstract

Boron carbide has been sintered to 95% of theoretical density in less than 12 minutes without the use of sintering aides by heating to 2000°C with 2.45 GHz microwave radiation. An average grain size of about 20 μm resulted. Twins and microcracking were present in the microstructure. Energy usage for microwave sintering was found to be 18% less than for inductive hot-pressing.

Type
Research Article
Copyright
Copyright © Materials Research Society 1988

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References

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