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Título : Conventional sintering of LAS–SiC nanocomposites with very low thermal expansion coefficient
Autor : García Moreno, Olga, Fernández, Adolfo, Torrecillas, Ramón
Palabras clave : Sintering
Thermal expansion
Lithium aluminosilicates
Fecha de publicación : 24-Mar-2011
Resumen: Very low thermal expansion materials have been developed in a wide temperature range from -150 ºC to 450 ºC. These very low expansion materials are composed of a lithium aluminosilicate matrix with dispersed silicon carbide nanoparticles. The nSiC content in the most stable composite was 27 vol.%. Powder processing and sintering temperature control have been found to be of key importance in order to obtain low porosity sintered nanocomposites. Here, sintering by pressureless methods (conventional sintering) is proposed in order to obtain a LAS-nSiC nanocomposite with improved mechanical properties and excellent expansion behaviour by means of control of the phase reactions and glass formation during sintering
Descripción : El pdf del artículo es la copia de autor.
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ISSN: 0955-2219
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