Powder compositions and methods of manufacturing articles...

Details Powder compositions and methods of manufacturing articles... Powder compositions and methods of manufacturing articles...

C - Chemistry, Metallurgy

08

K

C08K 3/22 (2006.01) B29C 67/00 (2006.01) C08K 7/10 (2006.01) C08K 9/02 (2006.01) C08K 9/04 (2006.01) C08K 9/06 (2006.01)

Patent

CA 2668897

Powder compositions and articles and methods of forming articles from powder compositions are provided. The powder compositions include at least one polymer powder and an amount of reinforcing particles having an aspect ratio of preferably at least about 5:1. In a preferred embodiment, the powder composition is capable of being formed, via a laser sintering process, into a three-dimensional article that exhibits one or more desirable mechanical properties in an elevated temperature environment.

L'invention concerne des compositions et des articles de poudre, ainsi que des procédés de formation d'articles à partir des compositions de poudre. Les compositions de poudre comprennent au moins une poudre polymère et une quantité de particules de renfort dont le rapport largeur/longueur est de préférence d'au moins environ 5:1. Selon un mode préféré de réalisation, la composition de poudre peut être formée par un processus de frittage par laser en un article tridimensionnel qui présente une ou plusieurs propriétés mécaniques souhaitables dans un environnement à température élevée.

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