Accumulation of Defects under Plastic Deformation of Polycrystalline Copper-Based Alloys; Physics of the Solid State; Vol. 64, iss. 11

Accumulation of Defects under Plastic Deformation of Polycrystalline Copper-Based Alloys; Physics of the Solid State; Vol. 64, iss. 11

Bibliografiske detaljer
Parent link:	Physics of the Solid State Vol. 64, iss. 11.— 2022.— [P. 561-566]
Institution som forfatter:	Национальный исследовательский Томский политехнический университет Школа базовой инженерной подготовки Отделение естественных наук
Andre forfattere:	Trishkina L. I. Lyudmila Iljinichna, Cherkasova T. V. Tatyana Viktorovna, Solovjev A. N., Cherkasov V. N.
Summary:	Title screen The paper presents the experimental investigation of the role of the size factor in the formation of the defect structure of metallic materials. The objects of study were polycrystalline FCC Cu–Al and Cu–Mn solid solutions with average grain sizes of 10–240 µm. The dislocation structure of foil samples subjected to various deformations at room temperature was studied by TEM. We measured the scalar dislocation density (?), the density of geometrically necessary dislocations (GND) (?g), the density of statistically stored dislocations (SSD) (?s), the curvature-torsion of the crystal lattice (?), and some other parameters. The effect of the grain size of the dislocation substructure on its parameters has been quantitatively studied. The sources of curvature-torsion ? of the crystal lattice were determined from electron microscopic images. We measured ? in the alloys under study from different sources and its change with distance (x) from the source for alloys with fixed grain size and degree of deformation. The change in the average value of curvature-torsion from all sources with the degree of deformation is considered. Режим доступа: по договору с организацией-держателем ресурса
Sprog:	engelsk
Udgivet:	2022
Fag:	электронный ресурс труды учёных ТПУ metals alloys deformation grain size crystal structure defects dislocation density curvature-torsion of the crystal lattice металлы сплавы деформации кристаллическая структура
Online adgang:	https://doi.org/10.1134/S1063783422110129
Format:	Electronisk Book Chapter
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=669370

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