Copper-carbon composite material with graded function and method

Details Copper-carbon composite material with graded function and method Copper-carbon composite material with graded function and method

1994-07-12

1996-12-03

Robinson, Ellis

Stock material or miscellaneous articles

Self-sustaining carbon mass or layer with impregnant or...

4283073, 428212, 376287, 4234471, 4234475, B32B 900

Patent

active

055806589

ABSTRACT:
A function ally gradient composite material containing copper and carbon as main components and having a predetermined shape, in which the composition ratio of the copper to the carbon in the material continuously varies in at least one predetermined direction. The material is manufactured, for example, by impregnating carbon felt with a resin and thermo-compressively molding the impregnated felt (step S101), carbonizing the resin by baking (step S102) to provide a preformed carbon material (step S104). Pyrolytic carbon is thereafter deposited in the preformed carbon material by the CVI method (step S105) to provide a carbon material having the bulk density varying in a predetermined direction (step S107). After the wettability of the carbon material against copper is improved by siliconization (step S108), pores of the carbon material are impregnated with copper (step S109) to obtain a functionally gradient composite material of copper and carbon.

REFERENCES:
patent: 3956568 (1976-05-01), Kanemaru
patent: 3969754 (1976-07-01), Kuniya et al.
patent: 4442165 (1984-04-01), Gebhardt
patent: 4915809 (1990-04-01), Brown
patent: 5080963 (1992-01-01), Tatarchuk
Abstract-JP62207832 "Copper-Carbon Composite Material For Semiconductor And Its Production"; Sep. 12, 1987.
Abstract-JP3295879 "Method For Impregnating Metal Into Carbon Material"; Dec. 26, 1991.
Abstract-JP5186276 "Heat-Receiving Plate Material Produced By Using Carbon Fiber-Reinforced Carbon Composite Material And Its Production"; Jul. 27, 1993.

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