Method for joining carbon-carbon composites to metals
Patent
·
OSTI ID:516947
A method for joining carbon-carbon composites to metals by brazing. Conventional brazing of recently developed carbon-bonded carbon fiber (CBCF) material to a metal substrate is limited by the tendency of the braze alloy to ``wick`` into the CBCF composite rather than to form a strong bond. The surface of the CBCF composite that is to be bonded is first sealed with a fairly dense carbonaceous layer achieved by any of several methods. The sealed surface is then brazed to the metal substrate by vacuum brazing with a Ti-Cu-Be alloy. 1 fig.
- Research Organization:
- Lockheed Martin Energy Syst Inc
- Sponsoring Organization:
- USDOE Assistant Secretary for Energy Efficiency and Renewable Energy, Washington, DC (United States)
- DOE Contract Number:
- AC05-84OR21400
- Assignee:
- Lockheed Martin Energy Systems, Inc., Oak Ridge, TN (United States)
- Patent Number(s):
- US 5,648,180/A/
- Application Number:
- PAN: 8-620,509
- OSTI ID:
- 516947
- Country of Publication:
- United States
- Language:
- English
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