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handle: 10261/27838
La invención relaciona a un material cerámico del nitruro de silicio del material compuesto que consiste en una matriz densa del nitruro de silicio sin los poros y con los nanotubes no-degradados del átomo (CNTs) dispersó uniformemente el interior la matriz. La invención también relaciona a un método para producir los materiales compuestos dichos por la dispersión de los nanotubes del átomo en la matriz del nitruro de silicio y el plasma subsiguiente de la chispa que sinterizan de eso en un vacío. El bote dicho de los materiales de tipo sea utilizado producir las herramientas, los dispositivos o cualquier tipo de elemento requiriendo un bueno comportamiento termomecánico y tribological, por ejemplo, herramientas de corte o componentes anti-wear, por ejemplo, válvulas, cojinetes de bolas y pestañas.
The invention relates to a composite silicon nitride ceramic material consisting of a dense silicon nitride matrix without pores and with non-degraded carbon nanotubes (CNTs) uniformly dispersed inside the matrix. The invention also relates to a method for producing said composite materials by the dispersion of the carbon nanotubes in the silicon nitride matrix and the subsequent spark plasma sintering thereof in a vacuum. Said materials can be used to produce tools, devices or any type of element requiring a good thermomechanical and tribological behaviour, for example, cutting tools or anti-wear components, for example, valves, ball bearings and flanges.
Fecha de solicitud: 01-10-2009.- Titular: Consejo Superior de Investigaciones Científicas (CSIC)
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