Process for bonding carbon substrates using particles of a thermally stable solid
US4241104A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Oct 16, 1978 |
| Grant date | Dec 23, 1980 |
| Priority date | — |
| Expiry date | Oct 16, 1998 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/30
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.