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Effect of carbon decoration on the absorption of < 100 > dislocation loops by dislocations in iron

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Abstract
This work closes a series of molecular dynamics studies addressing how solute/interstitial segregation at dislocation loops affects their interaction with moving dislocations in body-centred cubic Fe-based alloys. We consider the interaction of < 100 > interstitial dislocation loops decorated by different numbers of carbon atoms in a wide temperature range. The results reveal clearly that the decoration affects the reaction mechanism and increases the unpinning stress, in general. The most pronounced and reproducible increase of the unpinning stress is found in the intermediate temperature range from 300 up to 600 K. The carbon-decoration effect is related to the modification of the loop-dislocation reaction and its importance at the technologically relevant neutron irradiation conditions is discussed.
Keywords
segregation, FE-CR ALLOYS, iron, carbon, dislocation, CENTERED-CUBIC IRON, EDGE DISLOCATION, MOLECULAR-DYNAMICS, TENSILE PROPERTIES, INTERSTITIAL CLUSTERS, NEUTRON-IRRADIATION, ALPHA-IRON, BCC FE, DEFORMATION

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Citation

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MLA
Terentyev, D, Alexander Bakaev, and EE Zhurkin. “Effect of Carbon Decoration on the Absorption of < 100 > Dislocation Loops by Dislocations in Iron.” JOURNAL OF PHYSICS-CONDENSED MATTER 26.16 (2014): n. pag. Print.
APA
Terentyev, D, Bakaev, A., & Zhurkin, E. (2014). Effect of carbon decoration on the absorption of < 100 > dislocation loops by dislocations in iron. JOURNAL OF PHYSICS-CONDENSED MATTER, 26(16).
Chicago author-date
Terentyev, D, Alexander Bakaev, and EE Zhurkin. 2014. “Effect of Carbon Decoration on the Absorption of < 100 > Dislocation Loops by Dislocations in Iron.” Journal of Physics-condensed Matter 26 (16).
Chicago author-date (all authors)
Terentyev, D, Alexander Bakaev, and EE Zhurkin. 2014. “Effect of Carbon Decoration on the Absorption of < 100 > Dislocation Loops by Dislocations in Iron.” Journal of Physics-condensed Matter 26 (16).
Vancouver
1.
Terentyev D, Bakaev A, Zhurkin E. Effect of carbon decoration on the absorption of < 100 > dislocation loops by dislocations in iron. JOURNAL OF PHYSICS-CONDENSED MATTER. 2014;26(16).
IEEE
[1]
D. Terentyev, A. Bakaev, and E. Zhurkin, “Effect of carbon decoration on the absorption of < 100 > dislocation loops by dislocations in iron,” JOURNAL OF PHYSICS-CONDENSED MATTER, vol. 26, no. 16, 2014.
@article{4414983,
  abstract     = {{This work closes a series of molecular dynamics studies addressing how solute/interstitial segregation at dislocation loops affects their interaction with moving dislocations in body-centred cubic Fe-based alloys. We consider the interaction of < 100 > interstitial dislocation loops decorated by different numbers of carbon atoms in a wide temperature range. The results reveal clearly that the decoration affects the reaction mechanism and increases the unpinning stress, in general. The most pronounced and reproducible increase of the unpinning stress is found in the intermediate temperature range from 300 up to 600 K. The carbon-decoration effect is related to the modification of the loop-dislocation reaction and its importance at the technologically relevant neutron irradiation conditions is discussed.}},
  articleno    = {{165402}},
  author       = {{Terentyev, D and Bakaev, Alexander and Zhurkin, EE}},
  issn         = {{0953-8984}},
  journal      = {{JOURNAL OF PHYSICS-CONDENSED MATTER}},
  keywords     = {{segregation,FE-CR ALLOYS,iron,carbon,dislocation,CENTERED-CUBIC IRON,EDGE DISLOCATION,MOLECULAR-DYNAMICS,TENSILE PROPERTIES,INTERSTITIAL CLUSTERS,NEUTRON-IRRADIATION,ALPHA-IRON,BCC FE,DEFORMATION}},
  language     = {{eng}},
  number       = {{16}},
  pages        = {{10}},
  title        = {{Effect of carbon decoration on the absorption of < 100 > dislocation loops by dislocations in iron}},
  url          = {{http://dx.doi.org/10.1088/0953-8984/26/16/165402}},
  volume       = {{26}},
  year         = {{2014}},
}

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