Preparation of calcium pyrophosphate glass-ceramics containing Nb 2O5

Hirotaka Maeda; Tomohiro Miyajima; Sungho Lee; Akiko Obata; Kyosuke Ueda; Takayuki Narushima; Toshihiro Kasuga

doi:10.2109/jcersj2.122.122

Preparation of calcium pyrophosphate glass-ceramics containing Nb ₂O₅

Hirotaka Maeda, Tomohiro Miyajima, Sungho Lee, Akiko Obata, Kyosuke Ueda, Takayuki Narushima, Toshihiro Kasuga

工学研究科・材料システム工学専攻

研究成果: Article › 査読

11 被引用数 (Scopus)

抄録

New types of calcium phosphate glass-ceramics were prepared with the addition of Nb₂O₅ to the pyrophosphate region. The glassceramics contained α-Ca₂P₂O₇, β-Ca₂P₂O₇, and orthorhombic Nb ₂O₅. The concentrations of Ca, P and Nb elements released from the glass-ceramics were lower than those released from glass of the same chemical composition. Apatite formed on the surface of the glass-ceramics after soaking in 1.5 simulated body fluid for 7 days. The crystal phases of the glass-ceramics improved the chemical durability and apatite forming ability of the material.

本文言語	English
ページ（範囲）	122-124
ページ数	3
ジャーナル	Journal of the Ceramic Society of Japan
巻	122
号	1421
DOI	https://doi.org/10.2109/jcersj2.122.122
出版ステータス	Published - 2014 1月

ASJC Scopus subject areas

セラミックおよび複合材料
化学 (全般)
凝縮系物理学
材料化学

文献へのアクセス

10.2109/jcersj2.122.122

他のファイルとリンク

引用スタイル

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title = "Preparation of calcium pyrophosphate glass-ceramics containing Nb 2O5",

abstract = "New types of calcium phosphate glass-ceramics were prepared with the addition of Nb2O5 to the pyrophosphate region. The glassceramics contained α-Ca2P2O7, β-Ca2P2O7, and orthorhombic Nb 2O5. The concentrations of Ca, P and Nb elements released from the glass-ceramics were lower than those released from glass of the same chemical composition. Apatite formed on the surface of the glass-ceramics after soaking in 1.5 simulated body fluid for 7 days. The crystal phases of the glass-ceramics improved the chemical durability and apatite forming ability of the material.",

keywords = "Calcium phosphate glass-ceramics, Chemical durability, Niobium oxide",

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AU - Maeda, Hirotaka

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AU - Ueda, Kyosuke

AU - Narushima, Takayuki

AU - Kasuga, Toshihiro

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AB - New types of calcium phosphate glass-ceramics were prepared with the addition of Nb2O5 to the pyrophosphate region. The glassceramics contained α-Ca2P2O7, β-Ca2P2O7, and orthorhombic Nb 2O5. The concentrations of Ca, P and Nb elements released from the glass-ceramics were lower than those released from glass of the same chemical composition. Apatite formed on the surface of the glass-ceramics after soaking in 1.5 simulated body fluid for 7 days. The crystal phases of the glass-ceramics improved the chemical durability and apatite forming ability of the material.

KW - Calcium phosphate glass-ceramics

KW - Chemical durability

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