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Testing Method for Determination of Microscopic Fracture Toughness for Rock Materials
http://hdl.handle.net/2298/43182
http://hdl.handle.net/2298/4318291740ae0-2ccc-4455-a0fa-a5061b6df0db
名前 / ファイル | ライセンス | アクション |
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192-09_GTJ20170183_complimentary.pdf (1.1 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2020-02-13 | |||||
タイトル | ||||||
タイトル | Testing Method for Determination of Microscopic Fracture Toughness for Rock Materials | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題 | rock mechanics, microscopic fracture toughness, granite, mineral grain, size effect | |||||
資源タイプ | ||||||
資源タイプ | journal article | |||||
著者 |
片岡, みなみ
× 片岡, みなみ× Jeong, SangSon× 尾原, 祐三× 吉永, 徹× Mine, Yoji× 高島, 和希 |
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別言語の著者 |
片岡, みなみ
× 片岡, みなみ× 尾原, 祐三× 尾原, 祐三× 吉永, 徹× 高島, 和希 |
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内容記述 | ||||||
内容記述 | The fracture behavior of rocks is known to depend on the microstructures of the rocks: the distribution and orientation of the microcracks, and the type, size, and shape of mineral grains. To explain quantitatively the effect of the microstructures on the fracture of rocks, the determination of the fracture toughness of grain and grain boundaries, namely, the microscopic fracture toughness (MFT), is necessary. The authors developed a testing method for determination of MFT for rock materials. A microsized specimen of a cantilever beam type with dimensions of 10 by 10 by 50 μm was used in this testing method, and we built a special testing machine for this specimen. Microsized specimens were made within grains of Iksan granite by Focused Ion Beam machining, and the MFT of its constituents—plagioclase, alkali feldspar, and quartz—was determined using this testing method at room temperature. The MFT varied widely and the results are discussed based on the mineralogical knowledge. This testing method will be helpful to more accurately interpret the fracture behavior. | |||||
書誌情報 |
Geotechnical Testing Journal 巻 41, 号 6, p. 1092-1101, 発行年 2018-11 |
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ISSN | ||||||
収録物識別子 | 01496115 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
関連識別子 | 10.1520/GTJ20170183 | |||||
権利 | ||||||
権利情報 | © 2018 by ASTM International | |||||
フォーマット | ||||||
内容記述 | application/pdf | |||||
形態 | ||||||
1139000 bytes | ||||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
日本十進分類法 | ||||||
主題 | 560 | |||||
出版者 | ||||||
出版者 | ASTM International | |||||
資源タイプ | ||||||
内容記述 | 論文(Article) | |||||
資源タイプ・ローカル | ||||||
雑誌掲載論文 | ||||||
資源タイプ・NII | ||||||
Journal Article | ||||||
資源タイプ・DCMI | ||||||
text | ||||||
資源タイプ・ローカル表示コード | ||||||
01 | ||||||
URL | ||||||
内容記述 | https://www.astm.org/DIGITAL_LIBRARY/JOURNALS/GEOTECH/PAGES/GTJ20170183.htm |