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Ceramics International, Volume 39, Issue 7, September 2013, Pages 7499-7505.
Ya-Cheng Lin, Andrey A. Nepapushev, Paul J. McGinn, Alexander S. Rogachev, Alexander S. Mukasyan.
Department of Chemical and Biomolecular Engineering, University of Notre Dame, IN 46556, USA and
Center of Functional Nano-Ceramics, National University of Science and Technology, “MISIS”, Moscow 119049, Russia and
Institute of Structural Macrokinetics and Materials Science Russian Academy of Sciences (ISMAN), Chernogolovka, Moscow Region 142432, Russia.
Abstract
Combustion joining of carbon/carbon (C/C) composites using a mixture of titanium and mechanically activated Ni/Al powders as a reactive medium is reported. A minimum preheating of the sample stack to 630 K is required to initiate the joining process. A robust crack- and pore-free joint layer (∼75−100 um in thickness), which is composed of NiAlx and TiCy(Oz) phases, is produced. Tensile-strength testing of the joined C/C composites shows that the fracture does not occur along the joint layer.
