Microstructural Features of Cu-Zn Single Crystals Deformed at Elevated Temperature

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Abstract:

Copper alloys are characterized by high plasticity and good resistance to corrosion. They are applied in electrical industry, telecommunication, in transport and machine building, particularly in the production of elements for deep drawing. The scope of investigation enclosed production of testing single crystals, determination of their crystallographic orientation, deformation of selected single crystals by compression in a temperature range from 20 °C to 400 °C, applying strain rate from 10-5 s-1 to 10-1 s-1 as well as microstructure observations. Typical plastic strain effects were observed in the microstructures of studied single crystals in the form of parallel and intersecting lines and slip bands with locally intensified density in different areas of cross section of examined specimen and the deflection bands with slightly marked slip lines in the primary system.

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Solid State Phenomena (Volume 231)

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49-56

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June 2015

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© 2015 Trans Tech Publications Ltd. All Rights Reserved

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[1] Z.Y. Liu, G.X. Liang, E.D. Wang, The effect of cumulative large plastic strain on the structure and properties of a Cu-Zn alloy, Mat. Sci. Eng. A 242 (1998) 137-140.

DOI: 10.1016/s0921-5093(97)00467-x

Google Scholar

[2] P. Sakiewicz, R. Nowosielski, S. Griner, R. Babilas, Changes of microstructure in CuNi25 alloy deformed at elevated temperature, Arch. Mater. Sci. Eng. 50 (2011) 98-109.

Google Scholar

[3] P. Lukac, J. Balik, F. Chmelik, Physical aspects of plastic instabilities, Mat. Sci. Eng. A 234-236 (1997) 45-51.

Google Scholar

[4] W. Ozgowicz, B. Grzegorczyk, The influence of the temperature of plastic deformation on the structure and mechanical properties of copper alloys CuCo2Be and CuCo1Ni1Be, Arch. Mater. Sci. Eng. 39 (2010) 5-12.

Google Scholar

[5] Y. Estrin, L.P. Kubin, Plastic instabilities: phenomenology and theory, Mat. Sci. Eng. A 137 (1991) 125-134.

DOI: 10.1016/0921-5093(91)90326-i

Google Scholar

[6] C. Zhou, I.J. Beyerlein, R. LeSar, Plastic deformation mechanisms of fcc single crystals at small scales, Acta Mater. 59 (2011) 7673-7682.

DOI: 10.1016/j.actamat.2011.08.032

Google Scholar

[7] A. Onyszko, W. Bogdanowicz, J. Sieniawski, Structural perfection of a single crystal nickel-based CMSX-4 superalloy, Solid State Phenom. 186 (2012) 151-155.

DOI: 10.4028/www.scientific.net/ssp.186.151

Google Scholar

[8] B. Grzegorczyk, W. Ozgowicz, E. Kalinowska-Ozgowicz, Influence of the crystallographic orientation of CuZn30 single crystals on the Portevin-Le Chatelier effect, Solid State Phenom. 203/204 (2013) 406-410.

DOI: 10.4028/www.scientific.net/ssp.203-204.406

Google Scholar

[9] A. Cuniberti, Serrated yielding in long-range ordered 18R Cu–Zn–Al single crystals, Intermetallics 14 (2006) 776-779.

DOI: 10.1016/j.intermet.2005.11.011

Google Scholar

[10] W. Ozgowicz, B. Grzegorczyk, A. Pawełek, A. Piątkowski, Z. Ranachowski, The Portevin–Le Chatelier Effect and Acoustic Emission of Plastic Deformation CuZn30 Monocrystals, Arch. Metall. Mater. 59 (2014) 182-188.

DOI: 10.2478/amm-2014-0029

Google Scholar

[11] B. Grzegorczyk, W. Ozgowicz, E. Kalinowska-Ozgowicz, A. Kowalski, P. Pałka, Metallographic aspects of deformed monocrystals of CuZn30 alloys, Arch. Mater. Sci. Eng. 54 (2012) 29-36.

DOI: 10.4028/www.scientific.net/ssp.231.49

Google Scholar

[12] PN-EN 12163: 2011 The copper and the alloys of copper - The rods of general destination.

Google Scholar