2011 Fiscal Year Final Research Report
Mapping of mechanical hardness in rocks with depth-sensing nanoindentation technique
| Project/Area Number |
20340137
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Geology
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| Research Institution | Shizuoka University |
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Principal Investigator |
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| Co-Investigator(Renkei-kenkyūsha) |
ENAMI Masaki 名古屋大学, 大学院・環境学研究科, 教授 (20168793)
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| Project Period (FY) |
2008 – 2011
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| Keywords | 超微小硬度計 / 鉱物 / ループエネルギー / 圧痕 / 定荷重変位 / 点接触変形 / 不均質性 / アクティブ防振台 |
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| Research Abstract |
Rocks consist of parts with various mechanical hardnesses. I propose in this study a technique of mechanical mapping to reveal a distribution of harder parts and softer parts within a well-polished surface of rocks with a depth-sensing nano-indentation tester. Introduction of an active damper to nano-indentation technique is very effective to reduce irregularity for measuring the depth of indentation due to tremor. I emphasise in this study that the loop energy and the depth of indentation are the most fundamental data for further analysis of mechanical mapping.
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[Journal Article] Determination of amphibole fracture strength for quantitative palaeostress analysis using microboudinage structures2010
Author(s)
Kimura, N., Nakayama, S., Tsukimura, K., Miwa, S., Okamoto, A., Masuda, T.
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Journal Title
Journal of Structural Geology
Volume: Vol.32
Pages: 136-150
Peer Reviewed
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