試作歯科用Ti-Zr-Sn系合金の鋳造性と機械的性質 [in Japanese] Castability and Mechanical Properties of Experimental Ti-Zr-Sn Alloys for Dental Application [in Japanese]
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- 緒方 敏明 OGATA Toshiaki
- 長崎大学大学院歯学研究科歯科理工学講座 Nagasaki University, Graduate School of Dentistry, Dental Materials Science
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- 田中 康弘 TANAKA Yasuhiro
- 長崎大学大学院医歯薬学総合研究科医療科学専攻発生分化機能再建学講座生体材料工学分野 Division of Dental and Biomedical Materials Science, Department of Developmental and Reconstructive Medicine, Course of Medical and Dental Sciences, Graduate School of Biomedical Sciences Nagasaki University
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- 三浦 永理 MIURA Eri
- 長崎大学大学院医歯薬学総合研究科医療科学専攻発生分化機能再建学講座生体材料工学分野 Division of Dental and Biomedical Materials Science, Department of Developmental and Reconstructive Medicine, Course of Medical and Dental Sciences, Graduate School of Biomedical Sciences Nagasaki University
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- 詫間 康子 TAKUMA Yasuko
- 長崎大学大学院医歯薬学総合研究科医療科学専攻発生分化機能再建学講座生体材料工学分野 Division of Dental and Biomedical Materials Science, Department of Developmental and Reconstructive Medicine, Course of Medical and Dental Sciences, Graduate School of Biomedical Sciences Nagasaki University
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- 白石 孝信 SHIRAISHI Takanobu
- 長崎大学大学院医歯薬学総合研究科医療科学専攻発生分化機能再建学講座生体材料工学分野 Division of Dental and Biomedical Materials Science, Department of Developmental and Reconstructive Medicine, Course of Medical and Dental Sciences, Graduate School of Biomedical Sciences Nagasaki University
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- 久恒 邦博 HISATSUNE Kunihiro
- 長崎大学大学院医歯薬学総合研究科医療科学専攻発生分化機能再建学講座生体材料工学分野 Division of Dental and Biomedical Materials Science, Department of Developmental and Reconstructive Medicine, Course of Medical and Dental Sciences, Graduate School of Biomedical Sciences Nagasaki University
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Author(s)
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- 緒方 敏明 OGATA Toshiaki
- 長崎大学大学院歯学研究科歯科理工学講座 Nagasaki University, Graduate School of Dentistry, Dental Materials Science
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- 田中 康弘 TANAKA Yasuhiro
- 長崎大学大学院医歯薬学総合研究科医療科学専攻発生分化機能再建学講座生体材料工学分野 Division of Dental and Biomedical Materials Science, Department of Developmental and Reconstructive Medicine, Course of Medical and Dental Sciences, Graduate School of Biomedical Sciences Nagasaki University
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- 三浦 永理 MIURA Eri
- 長崎大学大学院医歯薬学総合研究科医療科学専攻発生分化機能再建学講座生体材料工学分野 Division of Dental and Biomedical Materials Science, Department of Developmental and Reconstructive Medicine, Course of Medical and Dental Sciences, Graduate School of Biomedical Sciences Nagasaki University
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- 詫間 康子 TAKUMA Yasuko
- 長崎大学大学院医歯薬学総合研究科医療科学専攻発生分化機能再建学講座生体材料工学分野 Division of Dental and Biomedical Materials Science, Department of Developmental and Reconstructive Medicine, Course of Medical and Dental Sciences, Graduate School of Biomedical Sciences Nagasaki University
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- 白石 孝信 SHIRAISHI Takanobu
- 長崎大学大学院医歯薬学総合研究科医療科学専攻発生分化機能再建学講座生体材料工学分野 Division of Dental and Biomedical Materials Science, Department of Developmental and Reconstructive Medicine, Course of Medical and Dental Sciences, Graduate School of Biomedical Sciences Nagasaki University
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- 久恒 邦博 HISATSUNE Kunihiro
- 長崎大学大学院医歯薬学総合研究科医療科学専攻発生分化機能再建学講座生体材料工学分野 Division of Dental and Biomedical Materials Science, Department of Developmental and Reconstructive Medicine, Course of Medical and Dental Sciences, Graduate School of Biomedical Sciences Nagasaki University
Abstract
良好な鋳造性を有し, 生体適合性に優れた歯科用チタン合金を開発することを目指した.Tiと同等の生体適合性を持ち, Tiと全率固溶するZr, およびZrに対するα安定化元素としての効果が期待できるSnを構成元素とするTi-Zr-Sn系3元合金を試作した.試作した合金について, 鋳造性の評価, 鋳巣の観察, 引張強さの測定, ならびにX線回折実験を行った.その結果, 歯科鋳造用として期待できる鋳造性と純Tiの2倍以上の引張強さを持つTi-Zr-Sn合金が見出された.
The aim of the present research was to develop a new dental titanium alloy with good castability and biocompatibility. Since Zr is known to have good biocompatibility and form a continuous solid solution with Ti, we selected Zr as an additive element. Also, Sn is expected to have the stabilizing effect of the alpha-phase. Based on this information, we prepared ternary Ti-Zr-Sn alloys with different compositions. Castability, porosity, tensile strength, and crystal structure of the experimental Ti-Zr-Sn alloys were examined. The results showed that the Ti-Zr-Sn alloys possess excellent castability and tensile strength exceeding twice that of pure Ti. This evidence suggests that Ti-Zr-Sn alloys can be used as dental casting alloys.
Journal
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- The Journal of the Japanese Society for Dental Materials and Devices
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The Journal of the Japanese Society for Dental Materials and Devices 24(4), 240-246, 2005
The Japanese Society for Dental Materials and Devices
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