Microand Nano-Indentation Approach to Strength and Deformation Characteristics of Minerals
S. D. VIKTOROV1, YU. I. GOLOVIN2, A. N. KOCHANOV1, A. I. TYURIN2, A. V. SHUKLINOV2, I. A. SHUVARIN2, T. S. PIROZHKOVA2
1Institute of Problems of Comprehensive Exploitation of Mineral Resources Russian Academy of Sciences, Kryukovskii tupik 4, Moscow, 111020 Russia
2Tambov State University, Zashchitnyi per. 7, Tambov, 392000 Russia
Keywords: rock, local failure, micro- and nano-indentation, method, indenter, indentation, physico-mechanical properties, rock-forming mineral hardness, fracture toughness, determination, structure
Abstract
In focus are methodology and effect of micro- and nano-indentation method in studying local deformation and failure of rocks. By micro- and nano-indentation, numerical values of Young’s modulus, and hardness of rocks and minerals have been obtained. The values of fracture toughness are obtained for separate minerals and at grain boundary. The authors highlight the use perspectiveness of the described method in estimating strength and deformation characteristics of rocks.
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