Patent ID: 9205492
Filing Date: 2015-12-08
Classification: B22F,Y10T

Abstract:
1. A method for manufacturing a powder based article comprising one portion of a first material and at least one portion of a second material, the method comprising: arranging at least a first body in a selected portion or selected portions in a capsule defining the shape of the article, wherein the first body comprises a mixture of a powder of the second material and a gasifiable material and the powder of the second material is held by the gasifiable material; filling the capsule with a powder of the first material; removing the gasifiable material; sealing the capsule; and heating the capsule under increased pressure to a temperature at which the powders of the first and second materials densifies to a compact article, wherein the first body comprises one or more shells, and wherein the shell or shells are filled or prefilled with at least the powder of the second material.