S. V. Dobatkin
Russian Academy of Sciences
Ultimate tensile strengthSolid solutionNanocrystalline materialComposite materialIndentation hardnessHardening (metallurgy)MetallurgyGrain sizeMaterials scienceMagnesium alloySevere plastic deformationAlloyHigh pressureMetallic materialsTorsion (mechanics)ZirconiumElectrical resistivity and conductivityAnnealing (metallurgy)MicrostructurePressing
Publications 66
#1N. S. MartynenkoH-Index: 10
#2N. R. BochvarH-Index: 11
Last. S. V. DobatkinH-Index: 16
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#1N.Yu. YurchenkoH-Index: 13
#2Nikita StepanovH-Index: 32
Last. Yuri Estrin (UWA: University of Western Australia)H-Index: 67
view all 10 authors...
Abstract null null This article provides a report on the effect of multiaxial deformation (MAD) on the structure, texture, mechanical characteristics, and corrosion resistance of the Mg-0.8 (wt.)% Ca alloy. MAD was carried out on the alloy in the as-cast and the annealed states in multiple passes, with a stepwise decrease in the deformation temperature from 450 to 250 °C in 50 °C steps. The cumulative true strain at the end of the process was 22.5. In the case of the as-cast alloy, this resulted...
#1N. R. Bochvar (RAS: Russian Academy of Sciences)H-Index: 11
#2O. V. Rybal’chenko (RAS: Russian Academy of Sciences)H-Index: 8
Last. S. V. Dobatkin (RAS: Russian Academy of Sciences)H-Index: 16
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Optical microscopy and hardness measurements are used to study the influence of (Sc + Zr) and (Sc + Hf) transition metal additions and severe plastic deformation by equal-channel angular pressing (ECAP) on the temperature of recrystallization in aluminum Al–Mg2Si alloys. Recovery is revealed to take place in the Al–Mg2Si alloys in the temperature range 200–600°C. Joint scandium and hafnium alloying of the ECAP-deformed alloys weakens softening during recrystallization due to the formation of a s...
#1I. O. SinevH-Index: 1
Last. S. V. DobatkinH-Index: 16
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#1N. S. Martynenko (National University of Science and Technology)H-Index: 10
#2N. Yu. Anisimova (National University of Science and Technology)H-Index: 5
Last. Yuri Estrin (Monash University)H-Index: 67
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#2Georgy I. RaabH-Index: 22
Last. Peiqing LaH-Index: 8
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#1A A TokarH-Index: 2
#2V A LunevH-Index: 1
Last. S. V. DobatkinH-Index: 16
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#1Gencaga Purcek (Karadeniz Technical University)H-Index: 24
#2H. Yanar (Karadeniz Technical University)H-Index: 9
Last. S. V. Dobatkin (National University of Science and Technology)H-Index: 16
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Abstract The effect of temperature on tribological properties of coarse grained (CG) and ultrafine-grained (UFG) Cu–Cr–Zr alloy processed via high pressure torsion (HPT) was investigated. Dominant wear mechanism depends on both temperature and microstructure of the alloy. Adhesive, abrasive and oxidative wear mechanisms are operative in all samples at room temperature. Adhesive wear mechanism is also operative at 200 °C. Oxidative wear is found to be another wear mechanism at that temperature. T...
#2Diana TemralievaH-Index: 3
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