Patent ID: 7517375
Filing Date: 2009-04-14
Classification: C04B

Abstract:
1. A wear-resistant ceramic composite comprising a sintered, hot pressed, or otherwise compacted boride composite consisting of two discrete phases, wherein the first phase is an orthorhombic compound of the form Al x Mg y B 14 , where x and y ≦1 and Al and/or Mg may be replaced by elements selected from the group consisting of Aluminum, Magnesium, Lithium, Gadolinium, Silver, Sodium, Thulium, Erbium, Yttrium, Holmium, Scandium and Chromium, each of which are known to form a similar chemical structure as AlMgB 14 , and the second phase is TiB 2 or other Group IVB transition metal diborides, and where the weight percentage of transition metal diboride is within the range of from about 40 to about 90 percent.