Internal Friction of Submicrocrystalline Copper after Combined Plastic Deformation

V. A. Beloshenko$^{1}$, S. L. Vasylenko$^{2}$, A. N. Pilipenko$^{1}$, V. V. Chishko$^{1}$

$^{1}$Donetsk Institute for Physics and Engineering Named after O. O. Galkin, NAS of Ukraine, 46 Nauky Ave., UA-03028 Kyiv, Ukraine
$^{2}$National Pedagogical Dragomanov University, 9 Pyrogova Str., UA-01601 Kyiv, Ukraine

Received: 12.05.2019. Download: PDF

The effect of combined plastic deformation with shear (angular hydroextrusion, combined rolling with shear) and traditional methods of metal forming based on monotonic deformation (different schemes of rolling, hydroextrusion, drawing) is studied in combination with heat treatment on the temperature spectra of internal friction and dynamic shear modulus of M0b (99.99%), FRTP (99.95%) and M1 (99.9%) copper. As determined, the combined plastic deformation with shear increases the values of internal friction and dynamic shear modulus of copper, and also reduces the temperature of the beginning of recrystallization processes in comparison with the samples after forming by monotonic deformation.

Key words: copper, combined plastic deformation, recrystallization, internal friction (IF), dynamic shear modulus.

URL: http://mfint.imp.kiev.ua/en/abstract/v41/i08/1055.html

DOI: https://doi.org/10.15407/mfint.41.08.1055

PACS: 61.72.Mm, 62.20.de, 62.40.+i, 81.20.Hy, 81.40.Ef, 83.50.Uv

Citation: V. A. Beloshenko, S. L. Vasylenko, A. N. Pilipenko, and V. V. Chishko, Internal Friction of Submicrocrystalline Copper after Combined Plastic Deformation, Metallofiz. Noveishie Tekhnol., 41, No. 8: 1055—1066 (2019) (in Russian)


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