Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование
Experimental and numerical analyses of microstructure evolution of Cu-Cr-Zr alloys during severe plastic deformation. / Borodin, E.N.; Morozova, A.; Bratov, V.; Belyakov, A.; Jivkov, A.P.
в: Materials Characterization, Том 156, 109849, 10.2019.Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование
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TY - JOUR
T1 - Experimental and numerical analyses of microstructure evolution of Cu-Cr-Zr alloys during severe plastic deformation
AU - Borodin, E.N.
AU - Morozova, A.
AU - Bratov, V.
AU - Belyakov, A.
AU - Jivkov, A.P.
PY - 2019/10
Y1 - 2019/10
N2 - The focus of researchers studying severe plastic deformation on the final grain size of material is often preventing them from observing a much wider spectrum of alterations to material defect structure. It can be asserted that the decrease in material grain size is, in fact, only the consequence of many different processes accompanying plastic deformation in metals. We have performed a constitutive experimental, FEM and discrete complex based studies for two copper alloys subjected to ECAP and MDF deformation processes. This combination of methods allows for recognising complementary microstructural effects, such as micro- and macro-localization phenomena, coupled dislocation cells and grains evolution, inhomogeneities of triple junction network and ultrafine grain emergence. In many cases, the obtained deformational inhomogeneities play a substantial role both for deformation at macro- and microscale levels. Heterogeneity of grain boundary junction network could be critical for design of nanostructured copper-based alloys suitable for electrical applications.
AB - The focus of researchers studying severe plastic deformation on the final grain size of material is often preventing them from observing a much wider spectrum of alterations to material defect structure. It can be asserted that the decrease in material grain size is, in fact, only the consequence of many different processes accompanying plastic deformation in metals. We have performed a constitutive experimental, FEM and discrete complex based studies for two copper alloys subjected to ECAP and MDF deformation processes. This combination of methods allows for recognising complementary microstructural effects, such as micro- and macro-localization phenomena, coupled dislocation cells and grains evolution, inhomogeneities of triple junction network and ultrafine grain emergence. In many cases, the obtained deformational inhomogeneities play a substantial role both for deformation at macro- and microscale levels. Heterogeneity of grain boundary junction network could be critical for design of nanostructured copper-based alloys suitable for electrical applications.
KW - Continuous dynamic recrystallization
KW - Dislocations density
KW - Grain boundary engineering
KW - Microstructural investigations
KW - Numerical simulation
KW - Severe plastic deformation
KW - Triple junctions
KW - GRAIN-REFINEMENT
KW - BEHAVIOR
KW - COPPER
KW - MECHANISMS
KW - ECAP
KW - DYNAMIC RECRYSTALLIZATION
KW - PRINCIPLES
KW - OPTIMIZATION
KW - DUCTILITY
KW - STRAIN
UR - http://www.scopus.com/inward/record.url?scp=85070874041&partnerID=8YFLogxK
UR - http://www.mendeley.com/research/experimental-numerical-analyses-microstructure-evolution-cucrzr-alloys-during-severe-plastic-deforma
U2 - 10.1016/j.matchar.2019.109849
DO - 10.1016/j.matchar.2019.109849
M3 - Article
AN - SCOPUS:85070874041
VL - 156
JO - Materials Characterization
JF - Materials Characterization
SN - 1044-5803
M1 - 109849
ER -
ID: 46034243