Linear Complexions: Metastable Phase Formation and Coexistence at Dislocations

Turlo, Vladyslav; Rupert, Timothy J.

doi:10.1103/physrevlett.122.126102

Title: Linear Complexions: Metastable Phase Formation and Coexistence at Dislocations

Abstract

The unique three-phase coexistence of metastable B2–FeNi with stable L1₀–FeNi and L1₂–FeNi₃ is discovered near edge dislocations in body-centered cubic Fe-Ni alloys using atomistic simulations. Stable nanoscale precipitate arrays, formed along the compression side of dislocation lines and defined as linear complexions, were observed for a wide range of compositions and temperatures. Here, by analyzing the thermodynamics associated with these phase transitions, we are able to explain the metastable phase formation and coexistence, in the process defining new research avenues for theoretical and experimental investigations.

Authors:

Turlo, Vladyslav ^[1]; Rupert, Timothy J. ^[1]

Univ. of California, Irvine, CA (United States)

Publication Date:: Fri Mar 29 00:00:00 EDT 2019

Research Org.:: Univ. of California, Irvine, CA (United States)

Sponsoring Org.:: USDOE Office of Science (SC), Basic Energy Sciences (BES)

OSTI Identifier:: 1612121

Alternate Identifier(s):: OSTI ID: 1504537

Grant/Contract Number:: SC0014232

Resource Type:: Accepted Manuscript

Journal Name:: Physical Review Letters

Additional Journal Information:: Journal Volume: 122; Journal Issue: 12; Journal ID: ISSN 0031-9007

Publisher:: American Physical Society (APS)

Country of Publication:: United States

Language:: English

Subject:: 71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; Physics; Disclinations & dislocations; Interface & surface thermodynamics; Line defects; Phase transitions

Citation Formats


                    Turlo, Vladyslav, and Rupert, Timothy J. Linear Complexions: Metastable Phase Formation and Coexistence at Dislocations.  United States: N. p., 2019. 
Web.  doi:10.1103/physrevlett.122.126102.

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                    Turlo, Vladyslav, & Rupert, Timothy J. Linear Complexions: Metastable Phase Formation and Coexistence at Dislocations.  United States.  https://doi.org/10.1103/physrevlett.122.126102

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                    Turlo, Vladyslav, and Rupert, Timothy J. Fri .  
"Linear Complexions: Metastable Phase Formation and Coexistence at Dislocations".  United States.  https://doi.org/10.1103/physrevlett.122.126102.  https://www.osti.gov/servlets/purl/1612121.

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@article{osti_1612121,

  title        = {Linear Complexions: Metastable Phase Formation and Coexistence at Dislocations},

  author       = {Turlo, Vladyslav and Rupert, Timothy J.},

  abstractNote = {The unique three-phase coexistence of metastable B2–FeNi with stable L10–FeNi and L12–FeNi3 is discovered near edge dislocations in body-centered cubic Fe-Ni alloys using atomistic simulations. Stable nanoscale precipitate arrays, formed along the compression side of dislocation lines and defined as linear complexions, were observed for a wide range of compositions and temperatures. Here, by analyzing the thermodynamics associated with these phase transitions, we are able to explain the metastable phase formation and coexistence, in the process defining new research avenues for theoretical and experimental investigations.},

  doi          = {10.1103/physrevlett.122.126102},

  journal      = {Physical Review Letters},

  number       = 12,

  volume       = 122,

  place        = {United States},

  year         = {Fri Mar 29 00:00:00 EDT 2019},

  month        = {Fri Mar 29 00:00:00 EDT 2019}

}

Copy to clipboard

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Works referencing / citing this record:

Prediction of a wide variety of linear complexions in face centered cubic alloys
journal, February 2020

Turlo, Vladyslav; Rupert, Timothy J.
Acta Materialia, Vol. 185
DOI: 10.1016/j.actamat.2019.11.069

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Similar Records

Title: Linear Complexions: Metastable Phase Formation and Coexistence at Dislocations

Abstract

Citation Formats

Segregation-induced phase transformations in grain boundaries journal, July 2015

Complexion: A new concept for kinetic engineering in materials science journal, October 2007

Zener Pinning of Grain Boundaries and Structural Stability of Immiscible Alloys journal, April 2016

Developing grain boundary diagrams as a materials science tool: A case study of nickel-doped molybdenum journal, July 2011

Kinetics of heterogeneous dislocation precipitation of NbC in alpha-iron journal, November 2008

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First-Order Interfacial Transformations with a Critical Point: Breaking the Symmetry at a Symmetric Tilt Grain Boundary journal, February 2018

Grain boundary complexions: The interplay of premelting, prewetting, and multilayer adsorption journal, August 2009

Linear complexions: Confined chemical and structural states at dislocations journal, September 2015

Fe–Ni many-body potential for metallurgical applications journal, January 2009

Automated identification and indexing of dislocations in crystal interfaces journal, October 2012

Predicting phase behavior of grain boundaries with evolutionary search and machine learning journal, February 2018

Precipitation hardening in metals journal, January 1999

Fast Parallel Algorithms for Short-Range Molecular Dynamics journal, March 1995

Effect of Interface Phase Transformations on Diffusion and Segregation in High-Angle Grain Boundaries journal, June 2013

High-pressure mechanochemistry: Conceptual multiscale theory and interpretation of experiments journal, November 2004

Effect of grain boundary character on segregation-induced structural transitions journal, April 2016

Dislocation-assisted linear complexion formation driven by segregation journal, September 2018

Grain boundary segregation engineering in metallic alloys: A pathway to the design of interfaces journal, August 2014

Solute segregation and coherent nucleation and growth near a dislocation—a phase-field model integrating defect and phase microstructures journal, February 2001

Visualization and analysis of atomistic simulation data with OVITO–the Open Visualization Tool journal, December 2009

Grain boundary disordering in binary alloys journal, March 2008

Phase nucleation through confined spinodal fluctuations at crystal defects evidenced in Fe-Mn alloys journal, March 2018

Precipitation of the metastable cubic Al3Zr-phase in subperitectic Al-Zr alloys journal, April 1972

Structural phase transformations in metallic grain boundaries journal, May 2013

Grain boundary complexions and pseudopartial wetting journal, October 2016

The role of complexions in metallic nano-grain stability and deformation journal, October 2016

Alloy destabilization by dislocations journal, May 2005

Phase transformations at interfaces: Observations from atomistic modeling journal, October 2016

Amorphous intergranular films as toughening structural features journal, May 2015

Heterogeneous precipitation on dislocations: effect of the elastic field on precipitate morphology journal, April 2008

Phase transformations in nanograin materials under high pressure and plastic shear: nanoscale mechanisms journal, January 2014

The effect of grain boundary edges on grain growth and grain growth stagnation journal, February 1989

Confined chemical and structural states at dislocations in Fe-9wt%Mn steels: A correlative TEM-atom probe study combined with multiscale modelling journal, February 2017

Scalable parallel Monte Carlo algorithm for atomistic simulations of precipitation in alloys journal, May 2012

The effect of chromium and cobalt segregation at dislocations on nickel-based superalloys journal, March 2018

A precipitation-hardened high-entropy alloy with outstanding tensile properties journal, January 2016

Strain-Induced Asymmetric Line Segregation at Faceted Si Grain Boundaries journal, July 2018

The importance of grain boundary complexions in affecting physical properties of polycrystals journal, October 2016

Manipulating the interfacial structure of nanomaterials to achieve a unique combination of strength and ductility journal, February 2016

Grain boundary complexions journal, January 2014

Grain boundary complexions and the strength of nanocrystalline metals: Dislocation emission and propagation journal, June 2018

Developing grain boundary diagrams for multicomponent alloys journal, June 2015

Amorphous intergranular films as toughening structural features preprint, January 2015

Predicting phase behavior of grain boundaries with evolutionary search and machine learning text, January 2017

Grain boundary phases in bcc metals preprint, January 2017

Prediction of a wide variety of linear complexions in face centered cubic alloys journal, February 2020

Segregation-induced phase transformations in grain boundaries
journal, July 2015

Complexion: A new concept for kinetic engineering in materials science
journal, October 2007

Zener Pinning of Grain Boundaries and Structural Stability of Immiscible Alloys
journal, April 2016

Developing grain boundary diagrams as a materials science tool: A case study of nickel-doped molybdenum
journal, July 2011

Kinetics of heterogeneous dislocation precipitation of NbC in alpha-iron
journal, November 2008

Interplay between grain boundary segregation and electrical resistivity in dilute nanocrystalline Cu alloys
journal, October 2016

First-Order Interfacial Transformations with a Critical Point: Breaking the Symmetry at a Symmetric Tilt Grain Boundary
journal, February 2018

Grain boundary complexions: The interplay of premelting, prewetting, and multilayer adsorption
journal, August 2009

Linear complexions: Confined chemical and structural states at dislocations
journal, September 2015

Fe–Ni many-body potential for metallurgical applications
journal, January 2009

Automated identification and indexing of dislocations in crystal interfaces
journal, October 2012

Predicting phase behavior of grain boundaries with evolutionary search and machine learning
journal, February 2018

Precipitation hardening in metals
journal, January 1999

Fast Parallel Algorithms for Short-Range Molecular Dynamics
journal, March 1995

Effect of Interface Phase Transformations on Diffusion and Segregation in High-Angle Grain Boundaries
journal, June 2013

High-pressure mechanochemistry: Conceptual multiscale theory and interpretation of experiments
journal, November 2004

Effect of grain boundary character on segregation-induced structural transitions
journal, April 2016

Dislocation-assisted linear complexion formation driven by segregation
journal, September 2018

Grain boundary segregation engineering in metallic alloys: A pathway to the design of interfaces
journal, August 2014

Solute segregation and coherent nucleation and growth near a dislocation—a phase-field model integrating defect and phase microstructures
journal, February 2001

Visualization and analysis of atomistic simulation data with OVITO–the Open Visualization Tool
journal, December 2009

Grain boundary disordering in binary alloys
journal, March 2008

Phase nucleation through confined spinodal fluctuations at crystal defects evidenced in Fe-Mn alloys
journal, March 2018

Precipitation of the metastable cubic Al3Zr-phase in subperitectic Al-Zr alloys
journal, April 1972

Structural phase transformations in metallic grain boundaries
journal, May 2013

Grain boundary complexions and pseudopartial wetting
journal, October 2016

The role of complexions in metallic nano-grain stability and deformation
journal, October 2016

Alloy destabilization by dislocations
journal, May 2005

Phase transformations at interfaces: Observations from atomistic modeling
journal, October 2016

Amorphous intergranular films as toughening structural features
journal, May 2015

Heterogeneous precipitation on dislocations: effect of the elastic field on precipitate morphology
journal, April 2008

Phase transformations in nanograin materials under high pressure and plastic shear: nanoscale mechanisms
journal, January 2014

The effect of grain boundary edges on grain growth and grain growth stagnation
journal, February 1989

Confined chemical and structural states at dislocations in Fe-9wt%Mn steels: A correlative TEM-atom probe study combined with multiscale modelling
journal, February 2017

Scalable parallel Monte Carlo algorithm for atomistic simulations of precipitation in alloys
journal, May 2012

The effect of chromium and cobalt segregation at dislocations on nickel-based superalloys
journal, March 2018

A precipitation-hardened high-entropy alloy with outstanding tensile properties
journal, January 2016

Strain-Induced Asymmetric Line Segregation at Faceted Si Grain Boundaries
journal, July 2018

The importance of grain boundary complexions in affecting physical properties of polycrystals
journal, October 2016

Manipulating the interfacial structure of nanomaterials to achieve a unique combination of strength and ductility
journal, February 2016

Grain boundary complexions
journal, January 2014

Grain boundary complexions and the strength of nanocrystalline metals: Dislocation emission and propagation
journal, June 2018

Developing grain boundary diagrams for multicomponent alloys
journal, June 2015

Amorphous intergranular films as toughening structural features
preprint, January 2015

Predicting phase behavior of grain boundaries with evolutionary search and machine learning
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Grain boundary phases in bcc metals
preprint, January 2017

Prediction of a wide variety of linear complexions in face centered cubic alloys
journal, February 2020