Plastic and nonmetallic article shaping or treating: processes – Including step of generating heat by friction
Patent
1984-04-16
1986-06-03
Valentine, Donald R.
Plastic and nonmetallic article shaping or treating: processes
Including step of generating heat by friction
264 63, 264570, 501 92, 501 96, 423297, C04B 3564, C04B 3556, C01B 3504, F27B 904
Patent
active
045928827
ABSTRACT:
High strength titanium diboride (TiB.sub.2) articles which are obtained by sintering articles preformed from TiB.sub.2 powder mixed with epoxy resin by means of isostatic molding using sintering temperatures found to be a critical variable for achieving maximum strength. Resistance to aluminum attack is achieved by removing contaminating oxides, nitrides, and carbides of titanium by selecting either annealing the sintered article in a boron nitride (BN) pack or by including a small amount of BN or elemental boron in the original TiB.sub.2 powder, such that the finished article is substantially free of such contaminants.
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Balmer N. L.
Union Carbide Corporation
Valentine Donald R.
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