Method of making antifriction products

Details Method of making antifriction products Method of making antifriction products

F - Mech Eng,Light,Heat,Weapons

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F16C 33/16 (2006.01) C04B 35/52 (2006.01) C04B 35/573 (2006.01) C04B 41/50 (2006.01) C04B 41/87 (2006.01) F16C 33/14 (2006.01) F16J 15/34 (2006.01)

Patent

CA 1102185

METHOD OF MAKING ANTIFRICTION PRODUCTS ABSTRACT OF THE DISCLOSURE In accordance with the proposed method of making anti- friction products, a porous carbon blank is heated up to 1,800 to 2,200°C and impregnated with molten silicon. The impregnation starts at a temperature of 2,100 to 2,200°C for 3 to 5 minutes, then at 1,800 to 2,050°C for 30 to 40 minutes. Thereafter, the blank is cooled down to a tempe- rature of 900 to 800°C at a rate of 30 to 40°C/min, then down to 200 to 150°C at a rate of 50 to 100°C/min. This permits obtaining products with an even phase distribu- tion, whereby their wear resistance and strength are im- proved.

308794

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