Microstructures and mechanical properties of TiN-TiB2-Ti5Si3 composites in-situ fabricated by spark plasma sintering
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概要
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Various TiN-TiB2-Ti5Si3 composites have been synthesized via spark plasma sintering of Ti, BN and Si3N4. The reaction process anlaysis indicates that Ti5Si3 forms earlier than TiB2. The reaction heat as well as the Joule heat may prompt the melting of Ti5Si3, making it infiltrate into TiN and TiB2. Thus, the composites can be further densified with the in-situ addition of Ti5Si3. For TiN-TiB2-Ti5Si3 composites, the maximum fracture toughness was 4.5 ± 0.3 MPa·m1/2, and maximum flexural strength was 601.1 ± 28.5 MPa, which were both quite higher than those of TiN-TiB2 composites. The related toughening and strengthening mechanisms were proposed from microstructural analysis.
- 公益社団法人 日本セラミックス協会の論文
著者
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TU Rong
Institute for Materials Research, Tohoku University
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GOTO Takashi
Institute for Materials Research, Tohoku University
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Tu Rong
Institute For Materials Research Tohoku University
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Jiang Wan
State Key Lab. Of High Performance Ceramics And Superfine Microstructure Shanghai Inst. Of Ceramics
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Jiang Wan
State Key Lab Of High Performance Ceramics And Superfine Microstructures Shanghai Institute Of Ceram
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Wang Lianjun
State Key Lab. For Modification Of Chemical Fibers And Polymer Materials Donghua Univ.
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CHEN Lidong
State Key Lab of High Performance Ceramics and Superfine Microstructures, Shanghai Institute of Cera
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Chen Lidong
State Key Lab Of High Performance Ceramics And Superfine Microstructures Shanghai Institute Of Ceram
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ZHANG Jianfeng
State key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute o
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Goto Takashi
Institute For Material Research Tohoku University
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Liu Leifeng
State key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute o
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Zhang Jianfeng
Inst. For Materials Res. Tohoku Univ.
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Zhang Jianfeng
State Key Laboratory Of Elemento-organic Chemistry Research Institute Of Elemento-organic Chemistry
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ZHANG Jianfeng
State key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences
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LIU Leifeng
State key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences
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