Patent ID: 8308096
Filing Date: 2012-11-13
Classification: B02C,B22F,C22C,Y10T

Abstract:
1. An article in the form of one of a plate, a sheet, a cylinder, and a portion of a cylinder, the article adapted for use as at least a portion of a wear resistant working surface of a roll, the article comprising: a metal matrix composite comprising a plurality of inorganic particles dispersed in a matrix material comprising at least one of a metal and a metal alloy, a melting temperature of the inorganic particles being greater than a melting temperature of the matrix material; and a plurality of hard elements interspersed in the metal matrix composite; wherein a wear resistance of the metal matrix composite is less than a wear resistance of the hard elements; and wherein the metal matrix composite preferentially wears away when the article is in use, thereby providing or preserving a gap between each of the plurality of hard elements at a working surface of the article.