Structural and Phase Transformations in Alloys under the Severe Plastic Deformation

,; Volokitina, I. E.

doi:10.15407/ufm.24.03.593

Cited by 3 publications

(1 citation statement)

References 110 publications

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“…Formation of new high-angle boundaries leads to a decrease in average grain size. As described in [14,15], the voltage required for twin nucleation increases with decreasing grain size faster than the voltage required to activate slip. This can explain the fact that the largest number of twins occurs in the middle layer of wire.…”

Section: Resultsmentioning

confidence: 97%

Evolution of Copper Microstructure Subjected to Combined Twisting and Drawing Technology

Volokitin,

Fedorova,

Denissova

2024

Metallofiz. Noveishie Tekhnol.

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This work studies evolution of copper microstructure during a combined deformation process. The essence of this process is in deformation of copper wire in a rotating equal-channel stepped matrix with subsequent drawing. Deformed wire is examined using transmission electron microscopy and EBSD analysis. After three cycles of deformation, an ultrafine-grained gradient microstructure with a high component of high-angle grain boundaries is obtained.

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Section: Resultsmentioning

confidence: 97%

Evolution of Copper Microstructure Subjected to Combined Twisting and Drawing Technology

Volokitin,

Fedorova,

Denissova

2024

Metallofiz. Noveishie Tekhnol.

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Energy and Power Parameters of Rolling Profiles for Wheel Rims of Reduced Metal Intensity with Toroidal Flanges

Chigirinsky,

Volokitina

2024

Metallofiz. Noveishie Tekhnol.

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The article contains experimental evaluation of technological possibilities of the wave-shaped profiles and confirmation of classical metal flow on profiles of wheel rims with toroidal flanges. The following parameters are recorded during the experiments: temperature in the finishing gauge, rolling force in the 2 nd , 4 th , 6 th and 7 th passes, current, voltages and motor speeds. The analysis of experimental data of rolling profiles 7.0-20-03, 8.5-20-03 and 228G-020-01 shows that technological capabilities of special rolled products for the truck wheel rims with wavy central part are much higher than serial profiles, where the central zone is of rectangular shape. It is possible to reduce the mass of profiles without changing the process parameters, i.e., rolling force and torque. This indicates the influence of additional and kinematic effects on the deformation zone in real production conditions.

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Additive Technologies for 3D Printing with Metals

2024

Prog. Phys. Met.

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Structural and Phase Transformations in Alloys under the Severe Plastic Deformation

Cited by 3 publications

References 110 publications

Evolution of Copper Microstructure Subjected to Combined Twisting and Drawing Technology

Evolution of Copper Microstructure Subjected to Combined Twisting and Drawing Technology

Energy and Power Parameters of Rolling Profiles for Wheel Rims of Reduced Metal Intensity with Toroidal Flanges

Additive Technologies for 3D Printing with Metals

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