High Temperature Structural Components


The striking blend of oxidation resistance and high-temperature elasticity makes MoSi2 a promising material for high-temperature applications, such as gas turbine engines. Many researchers have strived to enhance the high-temperature creep resistance and low-temperature flexibility. However, a commercially feasible composite integrating all the preferred properties is yet to be developed. Moreover, they can be used with ammonia, Nitrogen, hydrogen, noble gases, and little vacuum. Still, operating temperatures and service life may be decreased because of the failure of the protective oxide layer. MoSi2 elements come as readymade elements and are manufactured in bent or straight forms in extensive dimensions. The details are primarily used in production and laboratory furnaces in the ceramics, glass, steel, electronics, and heat-treatment sectors. Molybdenum disilicide (MoSi{sub 2}) is a promising candidate material for high-temperature structural applications. It is a high melting point (2030 C) material with excellent oxidation resistance and a moderate density (6.24 g/cm{sup 3}). However, low toughness at low temperatures and high creep rates at elevated temperatures have hindered its commercialization in structural applications. Much effort has been invested in MoSi{sub 2} composites as alternatives to pure molybdenum disilicide for oxidizing and aggressive environments. Molybdenum disilicide-based heating elements have been used extensively in high-temperature furnaces. The low electrical resistance of silicides, in combination with high thermal stability, electron-migration resistance, and excellent diffusion-barrier characteristics, is essential for microelectronic applications. Projected applications of MoSi{sub 2}-based materials include turbine airfoils, combustion chamber components in oxidizing environments, missile nozzles, molten metal lances, industrial gas burners, diesel engine glow plugs, and materials for glass processing. This paper reviews monolithic and composite molybdenum silicides' synthesis, fabrication, and properties. If you are looking for high quality, high purity, and cost-effective Molybdenum disilicide, or if you require the latest price of Molybdenum disilicide, please feel free to email contact mis-asia.

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