Articles | Volume 45
https://doi.org/10.5194/adgeo-45-73-2018
https://doi.org/10.5194/adgeo-45-73-2018
07 Aug 2018
 | 07 Aug 2018

Nanoindentation study of macerals in coals from the Ukrainian Donets Basin

Sanja Vranjes, David Misch, Thomas Schöberl, Daniel Kiener, Doris Gross, and Reinhard F. Sachsenhofer

Related authors

Reconstructing post-Jurassic overburden in central Europe: new insights from mudstone compaction and thermal history analyses of the Franconian Alb, SE Germany
Simon Freitag, Michael Drews, Wolfgang Bauer, Florian Duschl, David Misch, and Harald Stollhofen
Solid Earth, 13, 1003–1026, https://doi.org/10.5194/se-13-1003-2022,https://doi.org/10.5194/se-13-1003-2022, 2022
Short summary

Cited articles

Borodich, F. M., Bull, S. J., and Epshtein, S. A.: Nanoindentation in studying mechanical properties of heterogeneous materials, J. Min. Sci.+, 51, 470–476, https://doi.org/10.1134/s1062739115030072, 2015. 
Chekunov, A. V., Kaluzhnaya, L. T., and Ryabchun, L. I.: The Dniepr–Donets paleorift, Ukraine, deep structures and hydrocarbon accumulations, J. Petrol. Geol., 16, 183–196, https://doi.org/10.1111/j.1747-5457.1993.tb00105.x, 1993. 
Epshtein, S. A., Borodich, F. M., and Bull, S. J.: Evaluation of elastic modulus and hardness of highly inhomogeneous materials by nanoindentation, S. J. Appl. Phys. A., 119, 325–335, https://doi.org/10.1007/s00339-014-8971-5, 2015. 
Izart, A., Sachsenhofer, R. F., Privalov, V. A., Elie, M., Panova, E. A., Antsiferov, V. A., Alsaab, D., Rainer, T., Sotirov, A., Zdravkov, A., and Zhykalyak, M. V.: Stratigraphic distribution of macerals and biomarkers in the Donets Basin: implications for paleoecology, paleoclimatology and eustacy, Int. J. Coal Geol., 66, 69–107, https://doi.org/10.1016/j.coal.2005.07.002, 2006. 
Levenshtein, M. L., Spirina, O. I., Nosova, K. B., and Dedov, V. S.: Map of Coal Metamorphism in the Donetsk Basin (Paleozoic Surface), 1 : 500 000, Ministry of Geology of the USSR, Kiev, Ukraine, 1991. 
Download
Short summary
Macerals are the constituents of coal and usually have a small size (e.g. micro-scaled). Therefore, we used nanoindentation to determine material parameters like hardness and reduced elastic modulus from macerals in well examined coals from the Ukrainian Donets Basin. Our main goal was to study the relationship of these parameters with increasing rank of coal. The results indicate that multiple factors control the mechanical properties of macerals (e.g. microstructure, depositional environment).