Process for bonding carbon substrates using particles of a therm

Details Process for bonding carbon substrates using particles of a therm Process for bonding carbon substrates using particles of a therm

1978-10-16

1980-12-23

Smith, John D.

Coating processes

Electrical product produced

Carbon base

156283, 156344, 427203, 427249, 4274197, 428408, C23C 1100

Patent

active

042411041

ABSTRACT:
An improved process for providing a bond between carbon substrates using particles of a thermally stable solid is described. In particular, a laminate of a porous carbon substrate and a relatively non-porous carbon substrate using finely divided particles of a thermally stable solid which are in contact with and between both substrates is heated in the presence of a carbonizable gas, such as methane, in a chamber such that the gas contacts the carbon substrates and the particles so that a mutual coating of pyrolytic carbon is deposited on the exposed surfaces of all components and bonds them together. More than two carbon substrates can be bonded using the particles as interlayers between the substrates. The pyrolytic carbon coated composite products are particularly useful as electrodes.

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patent: 4022875 (1977-05-01), Vinton et al.
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patent: 4067956 (1978-01-01), Franklin et al.
Knippenberg et al., "Carbon Foam" Phillips Technical Revue vol. 36, pp. 93-103, 1976.

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