Fractal Analysis of Grain Boundary Reaction in Dental Alloys
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- TAKUMA Yasuko
- Division of Oral and Maxillofacial Regenerative Medical Sciences, Nagasaki University School of Dentistry
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- HISATSUNE Kunihiro
- Division of Dental and Biomedical Materials Science, Department of Developmental and Reconstructive Medicine, Course of Medical and Dental Sciences, Nagasaki University, Graduate School of Biomedical Sciences
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- SHIRAISHI Takanobu
- Division of Dental and Biomedical Materials Science, Department of Developmental and Reconstructive Medicine, Course of Medical and Dental Sciences, Nagasaki University, Graduate School of Biomedical Sciences
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- TANAKA Yasuhiro
- Division of Dental and Biomedical Materials Science, Department of Developmental and Reconstructive Medicine, Course of Medical and Dental Sciences, Nagasaki University, Graduate School of Biomedical Sciences
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- MIURA Eri
- Division of Dental and Biomedical Materials Science, Department of Developmental and Reconstructive Medicine, Course of Medical and Dental Sciences, Nagasaki University, Graduate School of Biomedical Sciences
Bibliographic Information
- Other Title
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- 歯科用合金における粒界析出反応のフラクタル解析
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Abstract
Fractal analysis by the box-counting method was applied for quantitative understanding of the mechanisms of grain boundary reactions in a dental high-karat gold alloy for porcelain bonding and in a dental silver-palladium-gold-copper alloy for cast crowns. The morphology of grain boundary precipitates, namely nodules, could be described by fractal dimensions of 1 to 2. The grain boundary reaction progressed in relation to increasing nodule and fractal dimension, which corresponded to increase of the morphological complexity. The increase in fractal dimension preceded the increase in volume fraction of the grain boundary precipitates in both isothermal and the anisothernal annealing.
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 22 (4), 237-242, 2003
The Japanese Society for Dental Materials and Devices
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Keywords
Details 詳細情報について
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- CRID
- 1390001204210740096
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- NII Article ID
- 110002987615
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- NII Book ID
- AN00127279
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- ISSN
- 21884188
- 02865858
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- Text Lang
- ja
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- Data Source
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- JaLC
- CiNii Articles
- KAKEN
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- Abstract License Flag
- Disallowed