White-Ceramic Conversion on Ti-29Nb-13Ta-4.6Zr Surface for Dental Applications
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説明
<jats:p>Ti-29Nb-13Ta-4.6Zr (TNTZ) alloy has excellent mechanical properties and bone conductivity. For dental application, TNTZ surfaces were converted to white oxidized layer by a simple heat treatment in air to achieve the formation of aesthetic surfaces. The oxidized layer formed by the heat treatment at 1000°C for 0.5 or 1 hr was whiter and joined to TNTZ substrate more strongly than that formed by the treatment at 900°C. The layer consisted of TiO<jats:sub>2</jats:sub>(rutile), TiNb<jats:sub>2</jats:sub>O<jats:sub>7</jats:sub>, and TiTa<jats:sub>2</jats:sub>O<jats:sub>7</jats:sub>and possessed ~30 <jats:italic>μ</jats:italic>m in thickness for the sample heat-treated at 1000°C and ~10 <jats:italic>μ</jats:italic>m for that heat-treated at 900°C. The surface average roughness and the wettability increased after the heat treatment. The spreading and proliferation level of mouse osteoblast-like cell (MC3T3-E1 cell) on the heat-treated sample were almost the same as those on as-prepared one. The cell spreading on TNTZ was better than those on pure titanium (CP Ti) regardless of the heat treatment for the samples. There was no deterioration in the<jats:italic>in vitro</jats:italic>cell compatibility of TNTZ after the oxidized layer coating by the heat treatment.</jats:p>
収録刊行物
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- Advances in Materials Science and Engineering
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Advances in Materials Science and Engineering 2013 (501621), 1-9, 2013-08-04
Hindawi Publishing Corporation
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詳細情報 詳細情報について
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- CRID
- 1050001337493734016
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- NII論文ID
- 120006667539
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- ISSN
- 16878434
- 16878442
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- 本文言語コード
- en
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- 資料種別
- journal article
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- データソース種別
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