Fabrication of Textured Porous Ti₃SiC₂ by Slip Casting under High Magnetic Field and Microstructural Evolution through High Temperature Deformation
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- Hashimoto Nana
- Division of Materials Science and Engineering, Graduate School of Engineering, Hokkaido University
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- Ikeda Ken-ichi
- Division of Materials Science and Engineering, Faculty of Engineering, Hokkaido University
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- Miura Seiji
- Division of Materials Science and Engineering, Faculty of Engineering, Hokkaido University
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- Morita Koji
- National Institute for Materials Science
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- Suzuki Tohru S.
- National Institute for Materials Science
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- Sakka Yoshio
- National Institute for Materials Science
書誌事項
- タイトル別名
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- Fabrication of Textured Porous Ti<sub>3</sub>SiC<sub>2</sub> by Slip Casting under High Magnetic Field and Microstructural Evolution through High Temperature Deformation
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<p>To clarify the effect of constraint conditions on the kink formation, fabrication process of the texture and porosity controlled Ti3SiC2 polycrystals was investigated and microstructural evolution during high temperature deformation was examined in it under high temperature uniaxial compression tests at 1200°C. Dense textured Ti3SiC2 sintered body was fabricated by slip casting in the high magnetic field of 12 T and following pressureless sintering at 1400°C for 1 h. The porosity of the textured Ti3SiC2 was controlled by dispersing polymethyl methacrylate (PMMA) particles into the textured Ti3SiC2 as a spacer media. The highly textured Ti3SiC2 polycrystals with porosity of 8.4 vol% and 16.7 vol%, respectively, were successfully fabricated by the slip casting in the high magnetic field. After the high temperature uniaxial compression perpendicular to the c-axis of the textured structure, both the porous and dense Ti3SiC2 showed kink formation, which is a common deformation mode for anisotropic layered materials. However, the average rotation angles of the kink boundaries were higher in the porous specimen than in the dense specimen. Since the crystal rotation is necessary for the kink formation, kink bands would be preferably developed in the porous area due to its weaker constraint than in the dense area. It can be concluded from the microstructural analysis that the constrain factor caused by the neighbor grains affects the crystalline rotation, resulting in the kink boundary formation with different rotation angles.</p><p> </p><p>This Paper was Originally Published in Japanese in J. Japan Inst. Met. Mater. 85 (2021) 256–263.</p>
収録刊行物
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- MATERIALS TRANSACTIONS
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MATERIALS TRANSACTIONS 63 (2), 133-140, 2022-02-01
公益社団法人 日本金属学会
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詳細情報 詳細情報について
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- CRID
- 1390290846617487104
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- NII論文ID
- 130008144039
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- NII書誌ID
- AA1151294X
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- ISSN
- 13475320
- 13459678
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- NDL書誌ID
- 031956459
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
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- KAKEN
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- 使用不可