Carbon fiber, carbon composite and furnace purification by hydrogen reduction followed by thermal heat treatment
US11852416B2 · kind B2 · utility
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11References
11Claims
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Key dates
| Filing date | Aug 25, 2021 |
| Grant date | Dec 26, 2023 |
| Priority date | — |
| Expiry date | Aug 25, 2041 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF27D2019/0031
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A method of manufacture for a carbon/carbon part including a method to remove contamination from an intermediate product of the carbon/carbon part and furnace utilizing a gaseous reducing agent hydrogen gas to reduce the contaminates, thereby causing the contaminates to transition to a gaseous state at relatively lower temperatures. A method to remove contamination from an intermediate product of the carbon/carbon part and furnace utilizing hydrogen gas to reduce the contaminates, thereby causing the contaminates to transition to a gaseous state at relatively lower temperatures.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.