Size effects of the strength and elastic properties of individual phases and interphase boundaries of polycrystalline materials

Y. I. Golovin; S. D. Victorov; A. I. Tyurin; A. N. Kochanov; A. V. Schyklinov; T. S. Pirozhkova; I. A. Shuvarin

doi:10.3103/S1062873816050075

Size effects of the strength and elastic properties of individual phases and interphase boundaries of polycrystalline materials

Autores: Golovin Y.I.¹, Victorov S.D.², Tyurin A.I.¹, Kochanov A.N.², Schyklinov A.V.¹, Pirozhkova T.S.¹, Shuvarin I.A.¹
Afiliações:
1. Derzhavin Tambov State University
2. Research Institute for the Comprehensive Exploitation of Mineral Resources
Edição: Volume 80, Nº 5 (2016)
Páginas: 518-521
Seção: Proceedings of the International Interdisciplinary Symposium “Ordering in Minerals and Alloys” OMA-18 and Proceedings of the International Interdisciplinary Symposium “Order, Disorder, and the Properties of Oxides” ODPO-18
URL: https://journals.rcsi.science/1062-8738/article/view/184361
DOI: https://doi.org/10.3103/S1062873816050075
ID: 184361

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Size effects of hardness are studied and numeric values of Young’s modulus E, hardness H, and fracture toughness coefficient K_c of individual phases and interphase boundaries of polycrystalline samples of ferruginous quartzite are determined by means of micro- and nanoindentation methods. It is found that the interphase boundary of magnetite and hematite is the one most strengthened, while the boundary of the hematite and quartz is the one least durable.