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Joining of C/SiC composites by spark plasma sintering technique
Affiliation:1. Department of Applied Science and Technology, Institute of Materials Physics and Engineering, Corso Duca degli Abruzzi 24, 10129 Torino, Italy;2. School of Engineering & Materials Science and Nanoforce Technology Ltd., Queen Mary University of London, Mile End Road, London E1 4NS, UK;1. School of Materials Science and Engineering, Shanghai University, Shanghai 200072, China;2. Engineering Laboratory of Specialty Fibers and Nuclear Energy Materials (FiNE), Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, Zhejiang 315201, China;3. School of Materials Science and Engineering, Yeungnam University, Gyeongsan, South Korea;1. Oak Ridge National Laboratory, P.O. Box 2008, Oak Ridge, Tennessee 37831, United States;2. Institute of Advanced Energy, Kyoto University, Uji, Kyoto 611-0011, Japan;3. Pacific Northwest National Laboratory, 902 Battelle Blvd., Richland, WA 99352, United States;4. Department of Applied Science and Technology, Politecnico di Torino, Corso Duca degli Abruzzi 24, I-10129 Torino, Italy;1. Engineering Laboratory of Nuclear Energy Materials, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, Zhejiang 315201, China;2. School of Materials Science and Engineering, Yeungnam University, Gyeongsan, Republic of Korea;3. Institute of Mechanics and Computational Engineering, Department of Aeronautics and Astronautics, Fudan University, Shanghai 200433, China
Abstract:CVD–SiC coated C/SiC composites (C/SiC) were joined by spark plasma sintering (SPS) by direct bonding with and without the aid of joining materials. A calcia-alumina based glass–ceramic (CA), a SiC + 5 wt% B4C mixture and pure Ti foils were used as joining materials in the non-direct bonding processes. Morphological and compositional analyses were performed on each joined sample. The shear strength of joined C/SiC was measured by a single lap test and found comparable to that of C/SiC.
Keywords:Joining  C/SiC composites  Spark plasma sintering
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