Method for production of sintered ceramic article containing tit

Details Method for production of sintered ceramic article containing tit Method for production of sintered ceramic article containing tit

1991-09-19

1993-01-19

Bell, Mark L.

Plastic and nonmetallic article shaping or treating: processes

Including step of generating heat by friction

301 92, 301 95, 301 96, F27D 700, C04B 3558

Patent

active

051805332

ABSTRACT:
A sintered article having a matrix of titanium diboride and a dispersed reinforcing phase of silicon carbide is produced by mixing titanium diboride powder and silicon carbide powder or whiskers, combining the resultant mixture with silicon boride, and sintering the produced mixture in a non-oxidative atmosphere under a pressure of at least 300 kg/cm.sub.2 at a temperature of at least 1,300.degree.C.

REFERENCES:
patent: 5032242 (1991-07-01), Knudsen et al.
patent: 5032550 (1991-07-01), Derkacy
patent: 5102835 (1992-04-01), Saito et al.
patent: 5108962 (1992-04-01), Khazai et al.
Communications of the American Ceramic Society, Feb. 1985, pp. C-34 to C-36, T. Watanabe, et al., "Mechanical Properties of Hot-Pressed TiB.sub.2 -ZrO.sub.2 Composites".
Journal of Materials Science, 25, 1990, pp. 580-584, E. S. Kang, et al., "Improvements in Mechanical Properties of TiB.sub.2 by the Dispersion of B.sub.4 C Particles".
"Pressureless Sintering and Mechanical Properties of TiB.sub.2 with Cr.sub.3 C.sub.2 additive", J. Matsushita, et al., 98(4), 1990, pp. 355-359.
"Preparation and Mechanical Properties of TiB.sub.2 Composites containing Ni and C", J. Matsushita, et al., 99(1) 1991, pp. 78-82.
J. Am. Ceram. Soc., 69, [4] 1986, pp. 317-321, C. C. Sorrell, et al., "Mechanical Properties of ZrC-ZrB.sub.2 and ZrC-TiB.sub.2 Directionally Solidified Eutectics".

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