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Microstructure Development in High-Temperature Mo-Si-B Alloys

Published online by Cambridge University Press:  01 February 2011

R. Sakidja and
J. H. Perepezko
R. Sakidja
Affiliation:
Dept. of Materials Science and Engineering, University of Wisconsin-Madison, 1509. University Ave., Madison WI 53706, USA
J. H. Perepezko
Affiliation:
Dept. of Materials Science and Engineering, University of Wisconsin-Madison, 1509. University Ave., Madison WI 53706, USA
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Abstract

Mo-Si-B alloys are considered as potential high temperature structural materials due to their high melting points (above 2000°C) and excellent oxidation resistance attributed to their self-healing characteristics over an extended temperature range. In the current study, the effect of alloying additions to achieve lower weight density and microstructure stability has been examined. The critical factor to the alloying additions appears to be the stability of the high melting ternary-based T2 borosilicide phase.

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Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 851: Symposium NN – Materials for Space Applications , 2004, NN11.11
Copyright
Copyright © Materials Research Society 2005

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References

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