Influence of β-tricalcium phosphate dispersion on mechanical properties of hydroxyapatite ceramics
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概要
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Mechanical properties of hydroxyapatite (HAp) ceramics and HAp/β-tricalcium phosphate (β-TCP) composites were measured at room temperature and at 1100℃ to investigate influence of the β-TCP dispersion. HAp powder was synthesized by precipitation method, and the ceramics and its composites were obtained by sintering the powder,. The HAp/30%β-TCP exhibited the best contribution to mechanical properties in this study. The compression test at 1100℃ showed that the β-TCP dispersion reduced yield stress and work hardening of the HAp ceramics. Moreover, it was found that the composites were largely deformed without the change in grain shape and grain size. The result suggests superior superplasticity in the HAp/β-TCP composites to the HAp ceramics.
- 社団法人日本セラミックス協会の論文
- 2008-09-01
著者
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SHIOTA Tadashi
Department of Material and Life Science, Graduate School of Engineering, Osaka University
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Shiota Tadashi
Department Of Metallurgy And Ceramics Science Graduate School Of Science And Engineering Tokyo Insti
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Yasuda Kouichi
Department Of Metallurgy And Ceramics Science Graduate School Of Science And Engineering Tokyo Insti
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Yasuda Kouichi
Department Of Metallurgy And Ceramics Science Faculty Of Engineering Tokyo Institute Of Technology
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Yasuda Kouichi
Tokyo Institute Of Technology
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MATSUO Yohtaro
Department of Metallurgy and Ceramics Science, Faculty of Engineering, Tokyo Institute of Technology
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SHIBATA Mitsuhiro
Department of Metallurgy and Ceramics Science, Graduate School of Science and Engineering, Tokyo Ins
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Shiota T
Department Of Metallurgy And Ceramics Science Graduate School Of Science And Engineering Tokyo Insti
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Shibata Mitsuhiro
Department Of Metallurgy And Ceramics Science Graduate School Of Science And Engineering Tokyo Insti
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Shibata Mitsuhiro
Department Of Life And Environmental Sciences Chiba Institute Of Technology
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Matsuo Yohtaro
Department Of Metallurgy And Ceramics Science Graduate School Of Science And Engineering Tokyo Insti
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Matsuo Yohtaro
Department Of Mechanical Engineering For Production Faculty Of Engineering Tokyo Institute Of Techno
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Shiota Tadashi
Department Of Material And Life Science Graduate School Of Engineering Osaka University
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