Patent ID: 9217294
Filing Date: 2015-12-22
Classification: B22F,C22C,E21B

Abstract:
1. A hard composite composition comprising: a binder; and a polymodal blend of matrix powder; wherein the polymodal blend of matrix powder has first local maxima at a particle size of 30 μm or less, a second local maxima at a particle size of 200 μm or more, and a local minima between a particle size of about 30 μm to about 200 μm that has a volume percent that is less than the first local maxima; and wherein the polymodal blend of matrix powder has one selected from the group consisting of: a third local maxima at a particle size of 30 μm or less, a fourth local maxima at a particle size of 200 μm or more, and both the third and fourth local maxima.