Thermal Stress Analysis of Multilayer Composite of SiC-TiC-Ni System (傾斜機能材料<特集>)
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概要
- 論文の詳細を見る
Residual stresses of the multilayer composite disks produced by a powder metallurgical process were calculated by classical analytical techniques and finite element method. The layer composites have a structure of SiC/SiC+TiC/TiC/TiC+Ni/Ni system in which the thermal expansion coefficient increases in the order of SiC<TiC<Ni. Large tensile stresses are noteworthy in or near SiC layer in the direction parallel to interface, and over the range of SiC to TiC in the perpendicular direction along free edge. These calculations explain cracking in ceramic part of the layer composite. The stresses decrease with an increase in the number of mixture layers, according to which cracking was prevented. The two calculation methods give the similar results.
- 社団法人 粉体粉末冶金協会の論文
著者
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Hojo Junichi
Department of Applied Chemistry, Faculty of Engineering, Kyushu University
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Hojo Junichi
Department Of Applied Chemistry Faculty Of Engineering Kyushu University
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Fukuoka Shoji
Department Of Applied Chemistry Faculty Of Engineering Osaka University
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Kajiya Tomomi
Department of Chemical Science and Technology, Faculty of Engineering, Kyushu University
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Kunoo Kazuo
Department of Aeronautics and Astronautics, Faculty Engineering, Kyushu University
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Hojo Junichi
Department Chemistry & Biochemistry, Graduate School of Engineering, Kyushu University
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Fukuoka Shoji
Department of Aeronautics and Astronautics, Faculty Engineering, Kyushu University
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