Mechanical Characterization of Heterogeneous Polycrystalline Rocks Using Nanoindentation Method in Combination with Generalized Means Method

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F46747885%3A24210%2F20%3A00007657" target="_blank" >RIV/46747885:24210/20:00007657 - isvavai.cz</a>
Alternative codes found
RIV/46747885:24620/20:00007657
Result on the web
<a href="https://www.cambridge.org/core/journals/journal-of-mechanics/article/mechanical-characterization-of-heterogeneous-polycrystalline-rocks-using-nanoindentation-method-in-combination-with-generalized-means-method/A182BB7B339C6C36D589A36BCE7E4A83" target="_blank" >https://www.cambridge.org/core/journals/journal-of-mechanics/article/mechanical-characterization-of-heterogeneous-polycrystalline-rocks-using-nanoindentation-method-in-combination-with-generalized-means-method/A182BB7B339C6C36D589A36BCE7E4A83</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1017/jmech.2020.18" target="_blank" >10.1017/jmech.2020.18</a>

Result language
angličtina
Original language name
Mechanical Characterization of Heterogeneous Polycrystalline Rocks Using Nanoindentation Method in Combination with Generalized Means Method
Original language description
The mechanical characterization of rocks is important in engineering design and analysis of rock-related structures. In the current researches, rocks are classified as heterogeneous materials with anisotropic behavior, and advanced methods such as combined experimental-numerical approach are developed to characterize the behavior of rocks. In this study, the nanoindentation experiment in conjunction with the generalized means method is used to determine the Young’s modulus and hardness of eight different polycrystalline granite rocks. In the first step, the Young’s modulus and hardness of granites’ constituents are determined through nanoindentation tests on pure granite minerals. Then, the properties of granites are determined using generalized means method by considering the mechanical properties of minerals, their volume fractions and an empirical constant called the microstructural coefficient. Accurate results with less than 3% error are obtained for 62.5% of the granite samples. The generalized means is introduced as a simple and effective method to characterize the mechanical properties of heterogeneous polycrystalline rocks.
Czech name
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Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
—
OECD FORD branch
20302 - Applied mechanics

Project
<a href="/en/project/EF16_025%2F0007293" target="_blank" >EF16_025/0007293: Modular platform for autonomous chassis of specialized electric vehicles for freight and equipment transportation</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2020
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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