Material for multilayer sliding surface bearings

Details Material for multilayer sliding surface bearings Material for multilayer sliding surface bearings

F - Mech Eng,Light,Heat,Weapons

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F16C 33/20 (2006.01) B05D 3/02 (2006.01) B05D 3/12 (2006.01) B05D 7/16 (2006.01) C08K 3/08 (2006.01) C08K 3/16 (2006.01) C08L 27/12 (2006.01) F16C 9/00 (2006.01) F16C 33/04 (2006.01) C08L 27/16 (2006.01) C08L 27/18 (2006.01)

Patent

CA 2015116

-14- ABSTRACT A material for multiolayer sliding surface bearings comprises a backing and a sliding layer, which is joined to said backing and comprises a matrix of a fluorine-containing polymeric material and metal powder that is finely dispersed in said matrix. For use in the manufacture of bearing shells for crankpins and mainshaft portions of crank- shafts in reciprocating piston machines, the fluorine- containing polymeric material contains inclusions con- sisting of metal fluoride and metal oxyfluoride and consists of monoclinic crystalline PVDF, amorphous PVDF and 10 to 90 % by weight of a novel polymer, which in an X-ray diffraction pattern made by CuK.alpha. radiation exhibits a sharp intensity peak at a double Bragg angle of 2 ? = 18.07?0.03 degrees and has a melting range of 320 to 350 °C and is free of orthorhombic crystalline PVDF.

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