Helical dislocations: Observation of vacancy defect bias of screw dislocations in neutron irradiated Fe–9Cr

Haley, J. C.; Liu, F.; Tarleton, E.; Cocks, A. C. F.; Odette, G. R.; Lozano-Perez, S.; Roberts, S. G.

doi:10.1016/j.actamat.2019.09.031

Title: Helical dislocations: Observation of vacancy defect bias of screw dislocations in neutron irradiated Fe–9Cr

Authors:

; Liu, F.;

;

; Odette, G. R.;

; Roberts, S. G.

Publication Date:: 2019-12-01

Sponsoring Org.:: USDOE

OSTI Identifier:: 1570084

Resource Type:: Published Article

Journal Name:: Acta Materialia

Additional Journal Information:: Journal Name: Acta Materialia Journal Volume: 181 Journal Issue: C; Journal ID: ISSN 1359-6454

Publisher:: Elsevier

Country of Publication:: United States

Language:: English

Citation Formats


                    Haley, J. C., Liu, F., Tarleton, E., Cocks, A. C. F., Odette, G. R., Lozano-Perez, S., and Roberts, S. G. Helical dislocations: Observation of vacancy defect bias of screw dislocations in neutron irradiated Fe–9Cr.  United States: N. p., 2019. 
Web.  doi:10.1016/j.actamat.2019.09.031.

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                    Haley, J. C., Liu, F., Tarleton, E., Cocks, A. C. F., Odette, G. R., Lozano-Perez, S., & Roberts, S. G. Helical dislocations: Observation of vacancy defect bias of screw dislocations in neutron irradiated Fe–9Cr.  United States.  https://doi.org/10.1016/j.actamat.2019.09.031

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                    Haley, J. C., Liu, F., Tarleton, E., Cocks, A. C. F., Odette, G. R., Lozano-Perez, S., and Roberts, S. G. Sun .  
"Helical dislocations: Observation of vacancy defect bias of screw dislocations in neutron irradiated Fe–9Cr".  United States.  https://doi.org/10.1016/j.actamat.2019.09.031.

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@article{osti_1570084,

  title        = {Helical dislocations: Observation of vacancy defect bias of screw dislocations in neutron irradiated Fe–9Cr},

  author       = {Haley, J. C. and Liu, F. and Tarleton, E. and Cocks, A. C. F. and Odette, G. R. and Lozano-Perez, S. and Roberts, S. G.},

  abstractNote = {},

  doi          = {10.1016/j.actamat.2019.09.031},

  journal      = {Acta Materialia},

  number       = C,

  volume       = 181,

  place        = {United States},

  year         = {2019},

  month        = {12}

}

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Title: Helical dislocations: Observation of vacancy defect bias of screw dislocations in neutron irradiated Fe–9Cr

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Helical Dislocations journal, September 1957

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Effects of chromium on the one-dimensional motion of interstitial-type dislocation loops in iron journal, August 2004

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The EU programme for modelling radiation effects in fusion reactor materials: An overview of recent advances and future goals journal, April 2009

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Characterization of dislocation loops and chromium-rich precipitates in ferritic iron–chromium alloys as means of void swelling suppression journal, May 2007

Low-dose neutron irradiation damage in FCC and BCC metals journal, July 1982

Irradiation-Induced Formation of Nanocrystallites with C 15 Laves Phase Structure in bcc Iron journal, January 2012

Mechanisms for decoration of dislocations by small dislocation loops under cascade damage conditions journal, October 1997

Comparison between bulk and thin foil ion irradiation of ultra high purity Fe journal, November 2013

Self-Energy of a Helical Dislocation journal, November 1959

In-situ TEM studies of 150 keV W+ ion irradiated W and W-alloys: Damage production and microstructural evolution journal, June 2016

α′ precipitation in neutron-irradiated Fe–Cr alloys journal, March 2014

Structure and metastability of mesoscopic vacancy and interstitial loop defects in iron and tungsten journal, August 2008

Modelling dislocation–obstacle interactions in metals exposed to an irradiation environment journal, July 2005

Numerical investigations of helical dislocations based on coupled glide-climb model journal, May 2017

Anomalous bias factors of dislocations in bcc iron
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On plastic deformation and the dynamics of 3D dislocations
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Applications of the FIB lift-out technique for TEM specimen preparation
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Dislocation dynamics simulations with climb: kinetics of dislocation loop coarsening controlled by bulk diffusion
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On the origin of primary ½ a0 <111> and a0 <100> loops in irradiated Fe(Cr) alloys
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Microstructural changes and their effect on hardening in neutron irradiated Fe-Cr alloys
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Fissile core and Tritium-Breeding Blanket: structural materials and their requirements
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The temperature dependence of heavy-ion damage in iron: A microstructural transition at elevated temperatures
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A dislocation dynamics study of the transition from homogeneous to heterogeneous deformation in irradiated body-centered cubic iron
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GPU accelerated dislocation dynamics
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Effects of impurities on one-dimensional migration of interstitial clusters in iron under electron irradiation
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Historical review of computer simulation of radiation effects in materials
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A TEM study of neutron-irradiated iron
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Mechanisms of Dislocation Climb
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Effects of irradiation temperature and dose rate on the mechanical properties of self-ion implanted Fe and Fe–Cr alloys
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Discrete dislocation plasticity: a simple planar model
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Microstructure evolution of two model ferritic/martensitic steels under in situ ion irradiation at low doses (0–2dpa)
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Elastic interactions between nano-scale defects in irradiated materials
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Low-dose neutron-irradiation damage in α-iron
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Characterization of irradiated single crystals of Fe and Fe–15Cr
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Dislocation loops in irradiated iron
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Behaviour of P, Si, Ni impurities and Cr in self ion irradiated Fe–Cr alloys – Comparison to neutron irradiation
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Microstructure of irradiated ferritic/martensitic steels in relation to mechanical properties
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Dynamic observations of heavy-ion damage in Fe and Fe–Cr alloys
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Annealing of dislocation loops in dislocation dynamics simulations
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Dislocation-enhanced experimental-scale vacancy loop formation in hcp Zirconium in one single collision cascade
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Low-activation ferritic and martensitic steels for fusion application
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Characterization of irradiation defect structures and densities by transmission electron microscopy
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Effect of the $α - γ$ Phase Transition on the Stability of Dislocation Loops in bcc Iron
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Solving the Puzzle of $⟨ 100 ⟩$ Interstitial Loop Formation in bcc Iron
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Transmission electron microscopy investigation of the microstructure of Fe–Cr alloys induced by neutron and ion irradiation at 300 °C
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MD simulations of collision cascades in the vicinity of a screw dislocation in aluminium
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Segregation of cascade induced interstitial loops at dislocations: possible effect on initiation of plastic deformation
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Helical Dislocations
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Structural materials for fission & fusion energy
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Effects of chromium on the one-dimensional motion of interstitial-type dislocation loops in iron
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Effect of Cr on the mechanical properties and microstructure of Fe–Cr model alloys after n-irradiation
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The EU programme for modelling radiation effects in fusion reactor materials: An overview of recent advances and future goals
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Impact of He and Cr on defect accumulation in ion-irradiated ultrahigh-purity Fe(Cr) alloys
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FISPACT-II: An Advanced Simulation System for Activation, Transmutation and Material Modelling
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Void-swelling in irons and ferritic steels
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TEM characterisation of heavy-ion irradiation damage in FeCr alloys
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Changes in the Burgers Vector of Perfect Dislocation Loops without Contact with the External Dislocations
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Surface effects and statistical laws of defects in primary radiation damage: Tungsten vs. iron
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Neutron irradiation effects in Fe and Fe-Cr at 300 °C
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On the potentiality of using ferritic/martensitic steels as structural materials for fusion reactors
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Dislocation decoration and raft formation in irradiated materials
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Mobility laws in dislocation dynamics simulations
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The interaction of a screw dislocation with point defects in bcc iron
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On the formation and properties of helical dislocations
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Fiji: an open-source platform for biological-image analysis
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The interaction between prismatic dislocation loops and straight dislocations. part I
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Discrete dislocation plasticity HELPs understand hydrogen effects in bcc materials
journal, February 2019

Microstructural examination of neutron-irradiated simple ferritic alloys
journal, July 1982

Reactions between a 1/2⟨111⟩ screw dislocation and ⟨100⟩ interstitial dislocation loops in alpha-iron modelled at atomic scale
journal, March 2010

Characterization of dislocation loops and chromium-rich precipitates in ferritic iron–chromium alloys as means of void swelling suppression
journal, May 2007

Low-dose neutron irradiation damage in FCC and BCC metals
journal, July 1982

Irradiation-Induced Formation of Nanocrystallites with $C 15$ Laves Phase Structure in bcc Iron
journal, January 2012

Mechanisms for decoration of dislocations by small dislocation loops under cascade damage conditions
journal, October 1997

Comparison between bulk and thin foil ion irradiation of ultra high purity Fe
journal, November 2013

Self-Energy of a Helical Dislocation
journal, November 1959

In-situ TEM studies of 150 keV W+ ion irradiated W and W-alloys: Damage production and microstructural evolution
journal, June 2016

α′ precipitation in neutron-irradiated Fe–Cr alloys
journal, March 2014

Structure and metastability of mesoscopic vacancy and interstitial loop defects in iron and tungsten
journal, August 2008

Modelling dislocation–obstacle interactions in metals exposed to an irradiation environment
journal, July 2005

Numerical investigations of helical dislocations based on coupled glide-climb model
journal, May 2017