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- W3040533812 abstract "Molybdenum di-silicides (MoSi 2 ) based materials have a strong potential for high temperature structural applications due to high melting point of 2030°C, outstanding elevated temperature oxidation resistance and limited ductility above a temperature range of 1100-1300°C. The major shortcomings of MoSi 2 for structural applications are its poor room temperature fracture toughness and low high temperature strength. Sustained efforts including reinforcing MoSi 2 with ceramic reinforcements, alloying and in-situ processing, have been made to improve these properties. The purity of grain boundaries and interfaces, which in turn depends on the processing method plays a significant role in the high temperature properties and this paper aims to show that. Intimately mixed Mo and Si powders (Mo:Si = 63:37 by weight fraction) were reaction hot pressed (“RHP“) in vacuum at 1500°C for 1 h, using a pressure of 26 MPa. During the hot pressing process, Mo and Si reacted to form MoSi 2 ." @default.
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- W3040533812 date "2000-08-01" @default.
- W3040533812 modified "2023-09-24" @default.
- W3040533812 title "Grain Boundaries and Interfaces in MoSi<sub>2</sub> and MoSi<sub>2</sub>-SiC Composites and Their Effect on High Temperature Strength" @default.
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- W3040533812 doi "https://doi.org/10.1017/s1431927600034619" @default.
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