Chemistry of inorganic compounds – Silicon or compound thereof – Binary compound
Patent
1996-12-20
1998-06-09
Bos, Steven
Chemistry of inorganic compounds
Silicon or compound thereof
Binary compound
501 88, 428446, 277 96, C01B 3136
Patent
active
057628955
ABSTRACT:
The invention relates to bearing materials of porous SiC having a trimodal pore composition and also a process for their production.
The porous bearing material of pressureless-sintered SiC having from 3 to 10% by volume of independent closed pores having a trimodal pore composition consisting of micropores (M), fiber-shaped macropores (F) and spherical macropores (S), where the amounts in the pore system F-M-S (FIG. 1) are fixed by the trapezoidal area having the corner points
REFERENCES:
patent: 5080378 (1992-01-01), Kagawa
patent: 5427761 (1995-06-01), Grindatto et al.
Chemical Abstracts, vol. 113, No. 22, Nov. 26, 1990, Columbus, Ohio, US Abstract No. 19649h & JP 02055273 (Showa Denko, K.K.).
Chemical Abstracts, vol. 114, No. 4, Jan. 28, 1991, Columbus, Ohio, US; Abstract No. 29012p & JP-A-02121759 (Harima Ceramic Co. Ltd.) May 9, 1990.
Lubrication Engineering, vol. 50, No. 1, Jan. 1994, pp. 75-80, R. Divakar "Sintered Silicon Carbides with Controlled Porosity for Mechanical Face Seal Applications".
Database Abstract of EP 486 336; AN 92-168907 (21) 1994 (no month).
Fundus Michael
Greim Jochen
Katheininger Anton
Schwetz Karl Alexander
Bos Steven
Elektroschmelzwerk Kempton, GmbH
Hendrickson Stuart L.
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