Об эффективности криогенной деформации для измельчения микроструктуры меди

Translated title of the contribution: On the efficiency of cryogenic deformation for copper microstructure refinement

Tatyana Konkova, S. Mironov, A. Korznikov

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Abstract

In the work, we studied and compared the microstructures of commercially pure copper subjected to the same strain at room temperature and at liquid-nitrogen temperature. It is found that at rather low plastic strain (slump, e=1.0), cryogenic temperature assists the activation of mechanical twinning and somewhat accelerates the formation of deformation boundaries. At high plastic strain (high-pressure shear, e=8.4), cryogenic temperature adds too little to microstructure refinement.
Original languageRussian
Pages (from-to)83-92
Number of pages10
JournalФизическая мезомеханика
Volume14
Issue number1
Publication statusPublished - 31 Jan 2011

Fingerprint

cryogenic temperature
Cryogenics
cryogenics
Copper
plastics
mechanical twinning
copper
microstructure
Microstructure
liquid nitrogen
Plastic deformation
activation
shear
Temperature
Twinning
room temperature
Liquid nitrogen
Chemical activation
temperature

Keywords

  • cryogenic deformation
  • copper
  • microstructure refinement
  • microstructure
  • texture

Cite this

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abstract = "In the work, we studied and compared the microstructures of commercially pure copper subjected to the same strain at room temperature and at liquid-nitrogen temperature. It is found that at rather low plastic strain (slump, e=1.0), cryogenic temperature assists the activation of mechanical twinning and somewhat accelerates the formation of deformation boundaries. At high plastic strain (high-pressure shear, e=8.4), cryogenic temperature adds too little to microstructure refinement.",
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AU - Konkova, Tatyana

AU - Mironov, S.

AU - Korznikov, A.

N1 - This is a author manuscript of an article accepted for publication in Физическая мезомеханика (C), 2012, the authors.

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N2 - In the work, we studied and compared the microstructures of commercially pure copper subjected to the same strain at room temperature and at liquid-nitrogen temperature. It is found that at rather low plastic strain (slump, e=1.0), cryogenic temperature assists the activation of mechanical twinning and somewhat accelerates the formation of deformation boundaries. At high plastic strain (high-pressure shear, e=8.4), cryogenic temperature adds too little to microstructure refinement.

AB - In the work, we studied and compared the microstructures of commercially pure copper subjected to the same strain at room temperature and at liquid-nitrogen temperature. It is found that at rather low plastic strain (slump, e=1.0), cryogenic temperature assists the activation of mechanical twinning and somewhat accelerates the formation of deformation boundaries. At high plastic strain (high-pressure shear, e=8.4), cryogenic temperature adds too little to microstructure refinement.

KW - cryogenic deformation

KW - copper

KW - microstructure refinement

KW - microstructure

KW - texture

UR - http://elibrary.ru/item.asp?id=16215660

UR - http://www.ispms.ru/ru/journals/381/1698/

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