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Metals 2018, 8(12), 983;

Impact of Dynamic Non-Equilibrium Processes on Fracture Mechanisms of High-Strength Titanium Alloy VT23

Department of Industrial Automation, Ternopil National Ivan Pul’uj Technical University, Rus’ka str. 56, 46001 Ternopil, Ukraine
Department of Mechanics, National University of Life and Environmental Sciences of Ukraine, Heroiv Oborony str. 15, 03041 Kyiv, Ukraine
Laboratory of Mechanics of Polymer Composite Materials/Lab. of Physical Mesomechanics and Non-Destructive Testing Methods, Institute of Strength Physics and Materials Science of Siberian Branch of Russian Academy of Sciences, Tomsk 634055, Russia
Department of Material Science in Mechanical Engineering, Institute of High Technology Physics, National Research Tomsk Polytechnic University, Tomsk 634050, Russia
Department of Mobile Machinery and Railway Transport, Faculty of Transport Engineering, Vilnius Gediminas Technical University, Plytinės g. 27, LT-10105 Vilnius, Lithuania
Author to whom correspondence should be addressed.
Received: 22 October 2018 / Revised: 15 November 2018 / Accepted: 17 November 2018 / Published: 23 November 2018
PDF [6650 KB, uploaded 26 November 2018]


The complex analysis of fractures of high-strength titanium alloy VT23 was performed at the macro- and microlevels, and the basic patterns of fracture under static stretching and after the realization of dynamic non-equilibrium processes caused by impact-oscillatory loading and subsequent static stretching were revealed. The morphological regularities in the formation of dimples of tearing and alloy stratification at the macro level were established with the help of 3-D profilometry. The micromechanisms of fracture were numerically characterized by the methods of optical-digital analysis, in particular, by highlighting the bound areas, which are the objects of interest—the dimples of tearing. The analysis of the surface of ductile tearing under different loading conditions at the microlevel was performed by analyzing the parameter distribution patterns of the dimples found on it. View Full-Text
Keywords: dimples of tearing; fracture mechanisms; image processing; recognition dimples of tearing; fracture mechanisms; image processing; recognition

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Maruschak, P.; Konovalenko, I.; Chausov, M.; Pylypenko, A.; Panin, S.; Vlasov, I.; Prentkovskis, O. Impact of Dynamic Non-Equilibrium Processes on Fracture Mechanisms of High-Strength Titanium Alloy VT23. Metals 2018, 8, 983.

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