Influence of crystallographic orientation on the response of copper crystallites to nanoindentation

Aleksandr V. Korchuganov, Dmitrij S. Kryzhevich, Konstantin P. Zolnikov, Sergey G. Psakhie

Результат исследований: Материалы для книги/типы отчетовМатериалы для конференции

Выдержка

Molecular dynamics simulation was performed to study the features of nucleation and development of plastic deformation in copper crystallites in nanoindentation with different crystallographic orientations of their loaded surface: (01 1) , (001), and (111). Atomic interaction was described by a potential constructed in terms of the embedded atom method. It is shown that behavior of the crystallite reaction force correlates well with a change in the fraction of atoms involved in local structural rearrangements. The generation of local structural changes decreases the slope of the crystallite reaction force curve or results in an extremum due to internal stress relaxation. Analysis of structural changes in the material being indented demonstrates that the orientation of its loaded surface greatly affects the features of nucleation and development of plastic deformation.

Язык оригиналаАнглийский
Название основной публикацииAIP Conference Proceedings
ИздательAmerican Institute of Physics Inc.
Страницы295-298
Число страниц4
Том1623
ISBN (печатное издание)9780735412606
DOI
СостояниеОпубликовано - 2014
СобытиеInternational Conference on Physical Mesomechanics of Multilevel Systems 2014 - Tomsk, Российская Федерация
Продолжительность: 3 сен 20145 сен 2014

Другое

ДругоеInternational Conference on Physical Mesomechanics of Multilevel Systems 2014
СтранаРоссийская Федерация
ГородTomsk
Период3.9.145.9.14

Отпечаток

nanoindentation
crystallites
plastic deformation
nucleation
copper
atomic interactions
embedded atom method
stress relaxation
range (extremes)
residual stress
slopes
molecular dynamics
curves
atoms
simulation

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Цитировать

Korchuganov, A. V., Kryzhevich, D. S., Zolnikov, K. P., & Psakhie, S. G. (2014). Influence of crystallographic orientation on the response of copper crystallites to nanoindentation. В AIP Conference Proceedings (Том 1623, стр. 295-298). American Institute of Physics Inc.. https://doi.org/10.1063/1.4898940

Influence of crystallographic orientation on the response of copper crystallites to nanoindentation. / Korchuganov, Aleksandr V.; Kryzhevich, Dmitrij S.; Zolnikov, Konstantin P.; Psakhie, Sergey G.

AIP Conference Proceedings. Том 1623 American Institute of Physics Inc., 2014. стр. 295-298.

Результат исследований: Материалы для книги/типы отчетовМатериалы для конференции

Korchuganov, AV, Kryzhevich, DS, Zolnikov, KP & Psakhie, SG 2014, Influence of crystallographic orientation on the response of copper crystallites to nanoindentation. в AIP Conference Proceedings. том. 1623, American Institute of Physics Inc., стр. 295-298, Tomsk, Российская Федерация, 3.9.14. https://doi.org/10.1063/1.4898940
Korchuganov AV, Kryzhevich DS, Zolnikov KP, Psakhie SG. Influence of crystallographic orientation on the response of copper crystallites to nanoindentation. В AIP Conference Proceedings. Том 1623. American Institute of Physics Inc. 2014. стр. 295-298 https://doi.org/10.1063/1.4898940
Korchuganov, Aleksandr V. ; Kryzhevich, Dmitrij S. ; Zolnikov, Konstantin P. ; Psakhie, Sergey G. / Influence of crystallographic orientation on the response of copper crystallites to nanoindentation. AIP Conference Proceedings. Том 1623 American Institute of Physics Inc., 2014. стр. 295-298
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AB - Molecular dynamics simulation was performed to study the features of nucleation and development of plastic deformation in copper crystallites in nanoindentation with different crystallographic orientations of their loaded surface: (01 1) , (001), and (111). Atomic interaction was described by a potential constructed in terms of the embedded atom method. It is shown that behavior of the crystallite reaction force correlates well with a change in the fraction of atoms involved in local structural rearrangements. The generation of local structural changes decreases the slope of the crystallite reaction force curve or results in an extremum due to internal stress relaxation. Analysis of structural changes in the material being indented demonstrates that the orientation of its loaded surface greatly affects the features of nucleation and development of plastic deformation.

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