TEM analysis of nanocrystalline SiC ceramics sintered by SPS using Al2O3–TiO2 additive
Source abstract
Abstract
Nanocrystalline SiC ceramics was fabricated by spark plasma sintering (SPS) using Al2O3 and TiO2 additives with the composition of 5, 10 and 20 mass% (Al2O3–TiO2). XRD analysis revealed formation of TiC phase. And also mullite phase with preferred orientation was detected in SiC with 20 mass% addition. From TEM observation and EDS analysis, TiC, aluminosilicate glass and mullite crystal phases were identified. Segregation of titanium atoms in addition to aluminum and oxygen atoms was observed at intergranular glassy phase with the thickness of 1–2 nm. The electrical conductivity was the same level as the Al2O3 single addition to SiC ceramics.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Advanced ceramic materials synthesis · Aluminum Alloys Composites Properties · Advanced materials and composites
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Secure Materials Center, Materials and Structures Laboratory, Tokyo Institute of TechnologyYokohamaKanagawa 226-8503Japan
Faculty of Pure and Applied Science, University of Tsukuba1-1-1 TennodaiIbaraki 305-8573Japan
Research Laboratory for Nuclear Reactors, Tokyo Institute of Technology2-12-1 Ookayama, Meguro-kuTokyo 152-8550Japan
Funding
Collaborative Research Project of Materials and Structures Laboratory, Tokyo Institute of Technology
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