Effect of the grain size on accumulation of scalar density of dislocations and its components in low-alloy Cu–Al

N. A. Koneva; L. I. Trishkina; T. V. Cherkasova; E. V. Kozlov

doi:10.1134/S207511331704013X

Effect of the grain size on accumulation of scalar density of dislocations and its components in low-alloy Cu–Al

作者: Koneva N.A.¹, Trishkina L.I.¹, Cherkasova T.V.¹^,2, Kozlov E.V.¹
隶属关系:
1. Tomsk State University of Architecture and Building
2. Tomsk Polytechnic University
期: 卷 8, 编号 4 (2017)
页面: 566-572
栏目: Article
URL: https://journals.rcsi.science/2075-1133/article/view/206642
DOI: https://doi.org/10.1134/S207511331704013X
ID: 206642

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The dislocation structure of deformed polycrystal Cu–Al alloys was studied by the TEM method. Measurement and separation of the scalar densities (〈ρ〉) by components were carried out: density (ρ_G) of the geometrically necessary dislocations (GND) and density (ρ_S) of the statistically stored dislocations (SSD). Effect of the grain size on the GND and SSD accumulation was established.