Borosilicide coatings for high-temperature Mo-Si-B alloys

Abstract

Mo-Si-B alloys are being developed as high temperature structural materials due to their high melting points (above 2000°C) and good oxidation resistance that results from the protective self-healing scale that develops intrinsically upon high temperature exposure. In the current work, new borosilicide-based multi-layer coatings have been synthesized and applied on Mo-Si-B alloys by means of simultaneous B and Si pack-cementation to enhance the oxidation protection at temperatures in excess of 1400°C.

Document Type

Conference Proceeding

Publication Date

12-1-2006

Journal Title

Proceedings of the 19th International Conference on Surface Modification Technologies

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