US 7,592,279 B1
Boron carbide and boron carbide components
Robert F. Speyer, Atlanta, Ga. (US); Hyukjae Lee, Miamisburg, Ohio (US); and Zhihao Bao, Atlanta, Ga. (US)
Assigned to Georgia Tech Research Corporation, Atlanta, Ga. (US)
Filed on Jun. 14, 2004, as Appl. No. 10/867,442.
Claims priority of provisional application 60/478045, filed on Jun. 12, 2003.
Int. Cl. C04B 35/563 (2006.01)
U.S. Cl. 501—87  [89/36.02] 13 Claims
 
1. A component formed by pressureless sintering and then hot isostatic pressing of a green body that is comprised of a powder consisting of boron oxide coated boron carbide particles, a quantity of additional impurities and no sintering additives, said component excluding boron oxide and consisting essentially of sintered boron carbide and said quantity of additional impurities, and said component having a relative density of at least 99%.