METAL MATRIX COMPOSITE MATERIAL FOR HOROLOGICAL PART

A metal matrix composite material for a horological component, characterized in that it consists of: - a metal alloy * based on gold, the composite material comprising at least 75% by weight of gold, or * based on platinum, the composite material comprising at least 95% by weight of platinum, or * based on palladium, the composite material comprising at least 95% by weight of palladium, the composite material further comprising between 0.1% and 2% by weight of at least one hardening element, or even between 0.5% and 2% by weight, or even between 0.5% and 1.5% by weight, or even between 0. 5% and 1.25% by weight, or even between 0.5% and 1% by weight of at least one hardening element; and - a reinforcing material, in a proportion by mass of between 1% and 10%, or even between 1% and 5%, comprising ceramic particles. Matériau composite à matrice métallique pour composant horloger, caractérisé en ce qu'il est constitué : - D'un alliage métallique * à base d'or, le matériau composite comprenant au moins 75% en poids d'or, ou * à base de platine, le matériau composite comprenant au moins 95% en poids de platine, ou * à base de palladium, le matériau composite comprenant au moins 95% en poids de palladium, le matériau composite comprenant en outre entre 0.1% et 2% en poids d'au moins un élément durcissant, voire entre 0.5% et 2% en poids, voire entre 0.5% et 1.5% en poids, voire entre 0. 5% et 1.25% en poids, voire entre 0.5% et 1% en poids d'au moins un élément durcissant; et - d'un matériau de renfort, de proportion massique comprise entre 1% et 10%, voire comprise entre 1% et 5%, comprenant des particules de céramique.