Development of Ag-Pd-Au-Cu Alloy for Multiple Dental Applications. Part 1. Effects of Pd and Cu Contents, and Addition of Ga or Sn on Physical Properties and Bond with Ultra-low Fusing Ceramic.
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- GOTO Shin-ichi
- Department of Dental Materials Science, School of Dentistry at Niigata, The Nippon Dental University
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- MIYAGAWA Yukio
- Advanced Research Center, School of Dentistry at Niigata, The Nippon Dental University
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- OGURA Hideo
- Department of Dental Materials Science, School of Dentistry at Niigata, The Nippon Dental University
書誌事項
- タイトル別名
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- Part 1 Effects of Pd and Cu Contents, and Addition of Ga or Sn on Physical Properties and Bond with Ultra-low Fusing Ceramic
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説明
Ag-Pd-Au-Cu quaternary alloys consisting of 30-50% Ag, 20-40% Pd, 10-20% Cu and 20% Au (mother alloys) were prepared. Then 5% Sn or 5% Ga was added to the mother alloy compositions, and another two alloy systems (Sn-added alloys and Ga-added alloys) were also prepared. The bond between the prepared alloys and an ultra-low fusing ceramic as well as their physical properties such as the solidus point, liquidus point and the coefficient of thermal expansion were evaluated. The solidus point and liquidus point of the prepared alloys ranged from 802°C to 1142°C and from 931°C to 1223°C, respectively. The coefficient of thermal expansion ranged from 14.6 to 17.1×10-6/°C for the Sn- and Ga-added alloys. In most cases, the Pd and Cu contents significantly influenced the solidus point, liquidus point and coefficient of thermal expansion. All Sn- and Ga-added alloys showed high area fractions of retained ceramic (92.1-100%), while the mother alloy showed relatively low area fractions (82.3%) with a high standard deviation (20.5%). Based on the evaluated properties, six Sn-added alloys and four Gaadded alloys among the prepared alloys were suitable for the application of the tested ultra-low fusing ceramic.
収録刊行物
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- Dental Materials Journal
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Dental Materials Journal 19 (3), 294-306, 2000
一般社団法人 日本歯科理工学会
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詳細情報 詳細情報について
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- CRID
- 1390001204716110080
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- NII論文ID
- 110002983536
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- NII書誌ID
- AA10443149
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- COI
- 1:CAS:528:DC%2BD3cXoslWjurY%3D
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- ISSN
- 18811361
- 02874547
- http://id.crossref.org/issn/02874547
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- PubMed
- 11218849
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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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- JaLC
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- PubMed
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- 使用不可