Issues »  Volume 38, Issue 3

On the Nature of the Anomalous Behaviour of a Dynamic Modulus of Elasticity of Submicrocrystalline Copper at Annealing

V. A. Beloshenko, A. A. Davidenko, V. Yu. Dmitrenko, A. N. Pilipenko, N. E. Pismenova, V. V. Chishko

Donetsk Institute for Physics and Engineering Named after O.O. Galkin, NAS of Ukraine, 72 R. Luxembourg Str., 83114 Donetsk, Ukraine

Received: 22.12.2015; final version - 26.01.2016. Download: PDF

The temperature dependences of dynamic shear modulus and internal friction as well as the structural evolution under heating of submicrocrystalline copper of the FRTP grade are investigated. As found, the anomalous increase (up to 50%) in the shear modulus of copper with increasing of the heat treatment temperature is due to the appearance of the annealing twins.

Key words: copper, shear modulus, texture, annealing twins.

URL: http://mfint.imp.kiev.ua/en/abstract/v38/i03/0405.html

DOI: https://doi.org/10.15407/mfint.38.03.0405

PACS: 61.05.cp, 61.72.Mm, 62.20.de, 62.40.+i, 81.20.Hy, 81.40.Ef, 81.40.Jj

Citation: V. A. Beloshenko, A. A. Davidenko, V. Yu. Dmitrenko, A. N. Pilipenko, N. E. Pismenova, and V. V. Chishko, On the Nature of the Anomalous Behaviour of a Dynamic Modulus of Elasticity of Submicrocrystalline Copper at Annealing, Metallofiz. Noveishie Tekhnol., 38, No. 3: 405—414 (2016) (in Russian)

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