Void growth by dislocation adsorption

Sills, Ryan B.; Boyce, B. L.

doi:10.1080/21663831.2019.1702114

Title: Void growth by dislocation adsorption

Abstract

Here, we propose a dislocation adsorption-based mechanism for void growth in metals, wherein a void grows as dislocations from the bulk annihilate at its surface. The basic process is governed by glide and cross-slip of dislocations at the surface of a void. Using molecular dynamics simulations we show that when dislocations are present around a void, growth occurs more quickly and at much lower stresses than when the crystal is initially dislocation-free. Finally, we show that adsorption-mediated growth predicts an exponential dependence on the hydrostatic stress, consistent with the well-known Rice-Tracey equation.

Authors:

Sills, Ryan B. ^[1]; Boyce, B. L. ^[2]

Sandia National Lab. (SNL-CA), Livermore, CA (United States); Rutgers Univ., Piscataway, NJ (United States)
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)

Publication Date:: 2019-12-19

Research Org.:: Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)

Sponsoring Org.:: USDOE National Nuclear Security Administration (NNSA)

OSTI Identifier:: 1595028

Report Number(s):: SAND-2019-14959J
Journal ID: ISSN 2166-3831; 682315

Grant/Contract Number:: AC04-94AL85000; NA0003525

Resource Type:: Accepted Manuscript

Journal Name:: Materials Research Letters

Additional Journal Information:: Journal Volume: 8; Journal Issue: 3; Journal ID: ISSN 2166-3831

Publisher:: Taylor and Francis

Country of Publication:: United States

Language:: English

Subject:: 36 MATERIALS SCIENCE; void; dislocation; plasticity; rupture

Citation Formats


                    Sills, Ryan B., and Boyce, B. L. Void growth by dislocation adsorption.  United States: N. p., 2019. 
Web.  doi:10.1080/21663831.2019.1702114.

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                    Sills, Ryan B., & Boyce, B. L. Void growth by dislocation adsorption.  United States.  https://doi.org/10.1080/21663831.2019.1702114

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                    Sills, Ryan B., and Boyce, B. L. Thu .  
"Void growth by dislocation adsorption".  United States.  https://doi.org/10.1080/21663831.2019.1702114.  https://www.osti.gov/servlets/purl/1595028.

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@article{osti_1595028,

  title        = {Void growth by dislocation adsorption},

  author       = {Sills, Ryan B. and Boyce, B. L.},

  abstractNote = {Here, we propose a dislocation adsorption-based mechanism for void growth in metals, wherein a void grows as dislocations from the bulk annihilate at its surface. The basic process is governed by glide and cross-slip of dislocations at the surface of a void. Using molecular dynamics simulations we show that when dislocations are present around a void, growth occurs more quickly and at much lower stresses than when the crystal is initially dislocation-free. Finally, we show that adsorption-mediated growth predicts an exponential dependence on the hydrostatic stress, consistent with the well-known Rice-Tracey equation.},

  doi          = {10.1080/21663831.2019.1702114},

  journal      = {Materials Research Letters},

  number       = 3,

  volume       = 8,

  place        = {United States},

  year         = {2019},

  month        = {12}

}

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text (2)

Title: Void growth by dislocation adsorption

Abstract

Citation Formats

Visualization by X-ray tomography of void growth and coalescence leading to fracture in model materials journal, July 2008

Three-dimensional dislocation dynamics analysis of size effects on void growth journal, January 2015

An Analysis of Fast Neutron Effects on Void Formation And Creep in Metals journal, July 1970

The ductile fracture of metals: A microstructural viewpoint journal, May 1983

The Sandia Fracture Challenge: blind round robin predictions of ductile tearing journal, January 2014

Improbability of Void Growth in Aluminum via Dislocation Nucleation under Typical Laboratory Conditions journal, January 2012

Microstructural aspects of fracture by dimpled rupture journal, January 1985

On the generation of dislocations at misfitting particles in a ductile matrix journal, November 1969

Ductile fracture journal, January 1987

Void growth by dislocation emission journal, April 2004

The second Sandia Fracture Challenge: predictions of ductile failure under quasi-static and moderate-rate dynamic loading journal, March 2016

Void growth in metals: Atomistic calculations journal, September 2008

Shear impossibility: Comments on “Void growth by dislocation emission” and “Void growth in metals: Atomistic calculations” journal, July 2010

Mechanical properties and microstructures of ultrafine-grained pure aluminum by asymmetric rolling journal, May 2009

On fracture locus in the equivalent strain and stress triaxiality space journal, January 2004

Void initiation in fcc metals: Effect of loading orientation and nanocrystalline effects journal, August 2010

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

Do voids nucleate at grain boundaries during ductile rupture? journal, September 2017

Nanovoid Cavitation by Dislocation Emission in Aluminum journal, October 2004

The role of dislocations in the growth of nanosized voids in ductile failure of metals journal, February 2009

Orientation dependence of dislocation structure evolution during cold rolling of aluminum journal, October 2008

Calibration and evaluation of seven fracture models journal, April 2005

Atomistic insights into dislocation-based mechanisms of void growth and coalescence journal, September 2011

Nanovoid nucleation by vacancy aggregation and vacancy-cluster coarsening in high-purity metallic single crystals journal, September 2011

An overview of the delamination theory of wear journal, August 1977

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

Analysis of the cup-cone fracture in a round tensile bar journal, January 1984

Modification of the Gurson Model for shear failure journal, January 2008

Interatomic potentials for monoatomic metals from experimental data and ab initio calculations journal, February 1999

Overview No. 1 journal, January 1979

On the ductile enlargement of voids in triaxial stress fields∗ journal, June 1969

Continuum Theory of Ductile Rupture by Void Nucleation and Growth: Part I—Yield Criteria and Flow Rules for Porous Ductile Media journal, January 1977

Ductile fracture in metals journal, August 1959

Creep cavitation in metals journal, October 2003

Atomistic simulations of surface cross-slip nucleation in face-centered cubic nickel and copper journal, April 2013

Annihilation of dislocations during tensile and cyclic deformation and limits of dislocation densities journal, December 1979

Continuum Models of Ductile Fracture: A Review journal, April 2009

Failure of metals I: Brittle and ductile fracture journal, April 2016

The spall strength of condensed matter journal, January 1988

Nanoscale conditions for ductile void nucleation in copper: Vacancy condensation and the growth-limited microstructural state journal, February 2020

The second Sandia Fracture Challenge: predictions of ductile failure under quasi-static and moderate-rate dynamic loading text, January 2016

Micromechanics of defects in solids book, January 1982

Ductile Fracture [延性破壊] journal, January 2014

Micromechanics of Defects in Solids journal, June 1983

Microstructural aspects of fracture by dimpled rupture journal, January 1985

Visualization by X-ray tomography of void growth and coalescence leading to fracture in model materials
journal, July 2008

Three-dimensional dislocation dynamics analysis of size effects on void growth
journal, January 2015

An Analysis of Fast Neutron Effects on Void Formation And Creep in Metals
journal, July 1970

The ductile fracture of metals: A microstructural viewpoint
journal, May 1983

The Sandia Fracture Challenge: blind round robin predictions of ductile tearing
journal, January 2014

Improbability of Void Growth in Aluminum via Dislocation Nucleation under Typical Laboratory Conditions
journal, January 2012

Microstructural aspects of fracture by dimpled rupture
journal, January 1985

On the generation of dislocations at misfitting particles in a ductile matrix
journal, November 1969

Ductile fracture
journal, January 1987

Void growth by dislocation emission
journal, April 2004

The second Sandia Fracture Challenge: predictions of ductile failure under quasi-static and moderate-rate dynamic loading
journal, March 2016

Void growth in metals: Atomistic calculations
journal, September 2008

Shear impossibility: Comments on “Void growth by dislocation emission” and “Void growth in metals: Atomistic calculations”
journal, July 2010

Mechanical properties and microstructures of ultrafine-grained pure aluminum by asymmetric rolling
journal, May 2009

On fracture locus in the equivalent strain and stress triaxiality space
journal, January 2004

Void initiation in fcc metals: Effect of loading orientation and nanocrystalline effects
journal, August 2010

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

Do voids nucleate at grain boundaries during ductile rupture?
journal, September 2017

Nanovoid Cavitation by Dislocation Emission in Aluminum
journal, October 2004

The role of dislocations in the growth of nanosized voids in ductile failure of metals
journal, February 2009

Orientation dependence of dislocation structure evolution during cold rolling of aluminum
journal, October 2008

Calibration and evaluation of seven fracture models
journal, April 2005

Atomistic insights into dislocation-based mechanisms of void growth and coalescence
journal, September 2011

Nanovoid nucleation by vacancy aggregation and vacancy-cluster coarsening in high-purity metallic single crystals
journal, September 2011

An overview of the delamination theory of wear
journal, August 1977

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

Analysis of the cup-cone fracture in a round tensile bar
journal, January 1984

Modification of the Gurson Model for shear failure
journal, January 2008

Interatomic potentials for monoatomic metals from experimental data and ab initio calculations
journal, February 1999

Overview No. 1
journal, January 1979

On the ductile enlargement of voids in triaxial stress fields∗
journal, June 1969

Continuum Theory of Ductile Rupture by Void Nucleation and Growth: Part I—Yield Criteria and Flow Rules for Porous Ductile Media
journal, January 1977

Ductile fracture in metals
journal, August 1959

Creep cavitation in metals
journal, October 2003

Atomistic simulations of surface cross-slip nucleation in face-centered cubic nickel and copper
journal, April 2013

Annihilation of dislocations during tensile and cyclic deformation and limits of dislocation densities
journal, December 1979

Continuum Models of Ductile Fracture: A Review
journal, April 2009

Failure of metals I: Brittle and ductile fracture
journal, April 2016

The spall strength of condensed matter
journal, January 1988

Nanoscale conditions for ductile void nucleation in copper: Vacancy condensation and the growth-limited microstructural state
journal, February 2020

The second Sandia Fracture Challenge: predictions of ductile failure under quasi-static and moderate-rate dynamic loading
text, January 2016

Micromechanics of defects in solids
book, January 1982

Ductile Fracture [延性破壊]
journal, January 2014

Micromechanics of Defects in Solids
journal, June 1983

Microstructural aspects of fracture by dimpled rupture
journal, January 1985