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Sintering of MoSi2

Published online by Cambridge University Press:  25 February 2011

J.J. Petrovic  and
J.S. Idasetima
J.J. Petrovic
Affiliation:
Materials Division, Group MTL-4, Los Alamos National Laboratory, Los Alamos, NM 87545
J.S. Idasetima
Affiliation:
Materials Division, Group MTL-4, Los Alamos National Laboratory, Los Alamos, NM 87545
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Abstract

Despite the fundamental nature of sintering and its importance as a low cost fabrication process, little information exists on the sintering behavior of the structural silicide Mosi2. The sintering of commercial Mosi2 powders in the range of 1-10 μm was investigated as a function of sintering temperature, sintering time, and sintering atmosphere. Initial densities for uniaxially cold pressed powders were in the range of 47-56% theoretical. A maximum sintered density of 90% of theoretical was achieved for 1 μm Mosi2 powders after sintering for 100 hours at 1600 °C in an argon atmosphere. Larger 10 μm Mosi2 powders achieved lower sintered densities under these conditions. Avenues to optimize the sintering behavior of Mosi2 are suggested.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 322: Symposium F – High-Temperature Silicides and Refractory Alloys , 1993 , 107
Copyright
Copyright © Materials Research Society 1994

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