Method for joining ceramic shapes

Details Method for joining ceramic shapes Method for joining ceramic shapes

1990-06-26

1992-08-18

Lowe, James

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156283, 156325, 264 60, C04B 3700

Patent

active

051395940

ABSTRACT:
A method for joining shapes of ceramic materials together to form a unitary ceramic structure. In the method of the invention, a mixture of two or more chemical components which will react exothermically is placed between the surfaces to be joined, and the joined shapes heated to a temperature sufficient to initiate the exothermic reaction forming a joining material which acts to bond the shapes together. Reaction materials are chosen which will react exothermically at temperatures below the degradation temperature of the materials to be joined. The process is particularly suited for joining composite materials of the silicon carbide-silicon carbide fiber type.

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Rabin, "INEL-1(B)-Joining Of Silicon Carbide Composites", Input for DOE AR&TD Program Semiannual Report, Nov. 1989.
EG&G Report No. MISC-89-041, B. H. Rabin, "INEL-1(b)-Joining of Silicon Carbide-Reinforced Ceramics", Idaho National Engineering Lab.
Munir, "Synthesis of High Temperature Materials by Self-Propagating Combustion Methods".
Cawley. "Joining of Ceramic-Matrix Composites", Ceramic Bulletin, vol. 68, No. 8, 1989, pp. 1619-1623.

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