Bonding of carbon-carbon composites using titanium carbide

US7858187B2 · kind B2 · utility

Assignees

• HONEYWELL INTERNATIONAL INC. · US
• University of Notre Dame du Lac · US

Inventors

• Allen H. Simpson · Buchanan, US
• Slawomir T. Fryska · Granger, US
• Mark L. La Forest · Granger, US
• Alexander Mukasyan · Granger, US

Key dates

• Filing date: Mar 29, 2006
• Grant date: Dec 28, 2010
• Expiry date: Oct 10, 2029

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/30
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

Method of joining carbon-carbon composite pieces together, e.g. in the refurbishment of aircraft brake discs. The method includes the steps of: providing a first carbon-carbon composite piece and a second carbon-carbon composite piece, wherein the second carbon-carbon composite piece has a surface that is complementary to a surface of said first carbon-carbon composite piece; providing a layer of a mixture of titanium powder and carbon powder on the first complementary mating surface; arranging the second carbon-carbon composite piece on the powder layer such that the second complementary mating surface is matched to the first complementary mating surface, thereby forming a construct of the first carbon-carbon composite piece, the powder layer, and the second carbon-carbon composite piece; placing the construct into a press and applying pressure to the construct to press together the two pieces joined at their complementary surfaces; and applying an electrical current to the powder in the construct to initiate an oxidation-reduction reaction, thereby bonding the carbon-carbon composite pieces together.