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Effect of mechanical activation on synthesis of ultrafine Si3N4–MoSi2 in situ composites

✍ Scribed by Sheela Singh; M.M. Godkhindi; R.V. Krishnarao; B.S. Murty

Publisher
Elsevier Science
Year
2004
Tongue
English
Weight
440 KB
Volume
382
Category
Article
ISSN
0921-5093

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The machinability of ceramic materials can be improved by the addition of hexagonal‐BN. Si~3~N~4~/h‐BN composites are suitable as rotor seals for gas turbine engines in the ranges 1000°C–1300°C. Oxidation resistance and strength retention can be improved by the addition of MoSi~2~ up to 1500°C. Stre