Mechanical properties and the evolution of microstructure during deformation of a Cu-Al-O ultrafine grained alloy

Abstract

Phase content, defect structure and mechanical behavior of a Cu-Al-O ultrafine grained alloy, prepared by mechanical milling and subsequent high temperature pressing, were studied. The formation of a material with a complex hierarchy of structural components was observed. The obtained alloy is composed of the grains of a solid solution of Al in Cu, two-phase grains of Cu that contain particles of the Cu₉Al₄, CuAl₂, α-Al₂O₃ and Cu₂O phases, as well as particles of Cu₂O and α-Al₂O₃ that are located along the boundaries of the primary and secondary grains. The evolution of mechanical characteristics and the structure of the alloy during deformation were analyzed.

Original language	English
Title of host publication	Ultrafine Grained Materials III
Editors	Y.T. Zhu, T.G. Langdon, R.Z. Valiev, S. Lee Semiatin, al et al
Pages	469-474
Number of pages	6
Publication status	Published - 2004
Event	Ultrafine Grained Materials III - Charlotte, NC., United States Duration: 14 Mar 2004 → 18 Mar 2004

Other

Other	Ultrafine Grained Materials III
Country	United States
City	Charlotte, NC.
Period	14.3.04 → 18.3.04

Keywords

Defects
Deformation
Particles
Ufg alloy

ASJC Scopus subject areas

Engineering(all)

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Kozlov, E. V., Ivanov, Y. F., Zhdanov, A. N., & Koneva, N. A. (2004). Mechanical properties and the evolution of microstructure during deformation of a Cu-Al-O ultrafine grained alloy. In Y. T. Zhu, T. G. Langdon, R. Z. Valiev, S. Lee Semiatin, & A. et al (Eds.), Ultrafine Grained Materials III (pp. 469-474)

Mechanical properties and the evolution of microstructure during deformation of a Cu-Al-O ultrafine grained alloy. / Kozlov, E. V.; Ivanov, Yu F.; Zhdanov, A. N.; Koneva, N. A.

Ultrafine Grained Materials III. ed. / Y.T. Zhu; T.G. Langdon; R.Z. Valiev; S. Lee Semiatin; al et al. 2004. p. 469-474.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

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AB - Phase content, defect structure and mechanical behavior of a Cu-Al-O ultrafine grained alloy, prepared by mechanical milling and subsequent high temperature pressing, were studied. The formation of a material with a complex hierarchy of structural components was observed. The obtained alloy is composed of the grains of a solid solution of Al in Cu, two-phase grains of Cu that contain particles of the Cu9Al4, CuAl2, α-Al2O3 and Cu2O phases, as well as particles of Cu2O and α-Al2O3 that are located along the boundaries of the primary and secondary grains. The evolution of mechanical characteristics and the structure of the alloy during deformation were analyzed.

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