Method for joining carbon-carbon composites to metals

Details Method for joining carbon-carbon composites to metals Method for joining carbon-carbon composites to metals

1996-03-22

1997-07-15

Zimmerman, John

Stock material or miscellaneous articles

All metal or with adjacent metals

Composite; i.e., plural, adjacent, spatially distinct metal...

2281241, B32B 514, B32B 1504, B23K 3522

Patent

active

056481802

ABSTRACT:
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.

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patent: 4731298 (1988-03-01), Shindo et al.
patent: 5243464 (1993-09-01), Lauf
patent: 5313325 (1994-05-01), Lauf

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