Segregation-affected yielding and stability in nanotwinned silver by microalloying

Ke, Xing; Sansoz, Frederic

doi:10.1103/PhysRevMaterials.1.063604

Title: Segregation-affected yielding and stability in nanotwinned silver by microalloying

Abstract

Small-scale mechanics of solute atom segregation and incipient plasticity in nanotwinned Ag containing trace concentrations of Cu were studied by using large-scale hybrid Monte-Carlo and molecular-dynamic simulations. It is found that solute Cu atoms are segregated concurrently to grain boundaries and intrinsic twin-boundary kink-step defects during thermal annealing. Low Cu dopant contents below 1 at. % are predicted to substantially increase twin stability in nanotwinned Ag, accompanied with a pronounced rise in yield strength at 300 K. Incipient plasticity is associated with kink-step migration, grain-boundary sliding, and dislocation nucleation from grain boundaries and twin-boundary defects, which are affected by doping. Cu-dependent yield strengthening in doped nanotwinned Ag is shown to correlate with the critical stress required to initiate crystal slip emitted from grain boundaries and twin-boundary defects. Finally, these findings provide fundamental insight into the roles of twin-boundary imperfections on plastic yielding, and offer new clues to further extend the extraordinary stability and strength of nanotwinned metals by microalloying.

Authors:

Ke, Xing ^[1];

^[2]

Univ. of Vermont, Burlington, VT (United States). Materials Science Program
Univ. of Vermont, Burlington, VT (United States). Materials Science Program; Univ. of Vermont, Burlington, VT (United States). Dept. of Mechanical Engineering

Publication Date:: Thu Nov 30 00:00:00 EST 2017

Research Org.:: Univ. of Vermont, Burlington, VT (United States)

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

OSTI Identifier:: 1410783

Alternate Identifier(s):: OSTI ID: 1410729

Grant/Contract Number:: SC0016270; DMR-1410646; ACI-1548562

Resource Type:: Accepted Manuscript

Journal Name:: Physical Review Materials

Additional Journal Information:: Journal Volume: 1; Journal Issue: 6; Related Information: http://link.aps.org/supplemental/10.1103/PhysRevMaterials.1.063604; Journal ID: ISSN 2475-9953

Publisher:: American Physical Society (APS)

Country of Publication:: United States

Language:: English

Subject:: 36 MATERIALS SCIENCE; 77 NANOSCIENCE AND NANOTECHNOLOGY; 42 ENGINEERING; Nanotwinned silver; atom segregation; strength; plasticity; atomistic simulation

Citation Formats


                    Ke, Xing, and Sansoz, Frederic. Segregation-affected yielding and stability in nanotwinned silver by microalloying.  United States: N. p., 2017. 
Web.  doi:10.1103/PhysRevMaterials.1.063604.

Copy to clipboard


                    Ke, Xing, & Sansoz, Frederic. Segregation-affected yielding and stability in nanotwinned silver by microalloying.  United States.  https://doi.org/10.1103/PhysRevMaterials.1.063604

Copy to clipboard


                    Ke, Xing, and Sansoz, Frederic. Thu .  
"Segregation-affected yielding and stability in nanotwinned silver by microalloying".  United States.  https://doi.org/10.1103/PhysRevMaterials.1.063604.  https://www.osti.gov/servlets/purl/1410783.

Copy to clipboard


                    
@article{osti_1410783,

  title        = {Segregation-affected yielding and stability in nanotwinned silver by microalloying},

  author       = {Ke, Xing and Sansoz, Frederic},

  abstractNote = {Small-scale mechanics of solute atom segregation and incipient plasticity in nanotwinned Ag containing trace concentrations of Cu were studied by using large-scale hybrid Monte-Carlo and molecular-dynamic simulations. It is found that solute Cu atoms are segregated concurrently to grain boundaries and intrinsic twin-boundary kink-step defects during thermal annealing. Low Cu dopant contents below 1 at. % are predicted to substantially increase twin stability in nanotwinned Ag, accompanied with a pronounced rise in yield strength at 300 K. Incipient plasticity is associated with kink-step migration, grain-boundary sliding, and dislocation nucleation from grain boundaries and twin-boundary defects, which are affected by doping. Cu-dependent yield strengthening in doped nanotwinned Ag is shown to correlate with the critical stress required to initiate crystal slip emitted from grain boundaries and twin-boundary defects. Finally, these findings provide fundamental insight into the roles of twin-boundary imperfections on plastic yielding, and offer new clues to further extend the extraordinary stability and strength of nanotwinned metals by microalloying.},

  doi          = {10.1103/PhysRevMaterials.1.063604},

  journal      = {Physical Review Materials},

  number       = 6,

  volume       = 1,

  place        = {United States},

  year         = {Thu Nov 30 00:00:00 EST 2017},

  month        = {Thu Nov 30 00:00:00 EST 2017}

}

Copy to clipboard

Journal Article:

Free Publicly Available Full Text

Accepted Manuscript (Publisher)

Accepted Manuscript (DOE)

Publisher's Version of Record

https://doi.org/10.1103/PhysRevMaterials.1.063604

Other availability

Search WorldCat to find libraries that may hold this journal

Citation Metrics:

Cited by: 13 works

Citation information provided by
Web of Science

Save / Share:

Export Metadata

Save to My Library

Works referenced in this record:

Structure and migration of (112) step on (111) twin boundaries in nanocrystalline copper
journal, December 2008

Xu, Luhua; Xu, Di; Tu, K. N.
Journal of Applied Physics, Vol. 104, Issue 11
DOI: 10.1063/1.3035944

Helium segregation to screw and edge dislocations in α-iron and their yield strength
journal, February 2015

Martínez, Enrique; Schwen, Daniel; Caro, Alfredo
Acta Materialia, Vol. 84
DOI: 10.1016/j.actamat.2014.10.066

Plastic anisotropy and associated deformation mechanisms in nanotwinned metals
journal, January 2013

You, Zesheng; Li, Xiaoyan; Gui, Liangjin
Acta Materialia, Vol. 61, Issue 1
DOI: 10.1016/j.actamat.2012.09.052

Strengthening and plasticity in nanotwinned metals
journal, April 2016

Sansoz, F.; Lu, K.; Zhu, T.
MRS Bulletin, Vol. 41, Issue 4
DOI: 10.1557/mrs.2016.60

Enhancement of strength and stability of nanostructured Ni by small amounts of solutes
journal, September 2011

Zhang, H. W.; Lu, K.; Pippan, R.
Scripta Materialia, Vol. 65, Issue 6
DOI: 10.1016/j.scriptamat.2011.06.003

Reaching theoretical strengths in nanocrystalline Cu by grain boundary doping
journal, October 2011

Vo, N. Q.; Schäfer, J.; Averback, R. S.
Scripta Materialia, Vol. 65, Issue 8
DOI: 10.1016/j.scriptamat.2011.06.048

Epitaxial nanotwinned Cu films with high strength and high conductivity
journal, August 2008

Anderoglu, O.; Misra, A.; Wang, H.
Applied Physics Letters, Vol. 93, Issue 8
DOI: 10.1063/1.2969409

Plasticity of nanocrystalline alloys with chemical order: on the strength and ductility of nanocrystalline Ni–Fe
journal, January 2013

Schäfer, Jonathan; Albe, Karsten
Beilstein Journal of Nanotechnology, Vol. 4
DOI: 10.3762/bjnano.4.63

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

Kim, Gyuseok; Chai, Xuzhao; Yu, Le
Scripta Materialia, Vol. 123
DOI: 10.1016/j.scriptamat.2016.06.008

Cu/Ag EAM potential optimized for heteroepitaxial diffusion from ab initio data
journal, December 2009

Wu, Henry H.; Trinkle, Dallas R.
Computational Materials Science, Vol. 47, Issue 2
DOI: 10.1016/j.commatsci.2009.09.026

Thermal stability of highly nanotwinned copper: The role of grain boundaries and texture
journal, November 2012

Zhao, Yifu; Furnish, Timothy Allen; Kassner, Michael Ernest
Journal of Materials Research, Vol. 27, Issue 24
DOI: 10.1557/jmr.2012.376

Ultrahigh Strength and High Electrical Conductivity in Copper
journal, April 2004

Lu, L.
Science, Vol. 304, Issue 5669
DOI: 10.1126/science.1092905

Grain boundary segregation, chemical ordering and stability of nanocrystalline alloys: Atomistic computer simulations in the Ni–W system
journal, July 2007

Detor, A.; Schuh, C.
Acta Materialia, Vol. 55, Issue 12
DOI: 10.1016/j.actamat.2007.03.024

Revealing the Maximum Strength in Nanotwinned Copper
journal, January 2009

Lu, L.; Chen, X.; Huang, X.
Science, Vol. 323, Issue 5914
DOI: 10.1126/science.1167641

High strength, epitaxial nanotwinned Ag films
journal, January 2011

Bufford, D.; Wang, H.; Zhang, X.
Acta Materialia, Vol. 59, Issue 1
DOI: 10.1016/j.actamat.2010.09.011

Plastic deformation of nanocrystalline Pd–Au alloys: On the interplay of grain boundary solute segregation, fault energies and grain size
journal, May 2011

Schäfer, Jonathan; Stukowski, Alexander; Albe, Karsten
Acta Materialia, Vol. 59, Issue 8
DOI: 10.1016/j.actamat.2011.01.036

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

Plimpton, Steve
Journal of Computational Physics, Vol. 117, Issue 1
DOI: 10.1006/jcph.1995.1039

Defective twin boundaries in nanotwinned metals
journal, May 2013

Wang, Y. Morris; Sansoz, Frederic; LaGrange, Thomas
Nature Materials, Vol. 12, Issue 8
DOI: 10.1038/nmat3646

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

Stukowski, Alexander
Modelling and Simulation in Materials Science and Engineering, Vol. 18, Issue 1
DOI: 10.1088/0965-0393/18/1/015012

Influence of intrinsic kink-like defects on screw dislocation – coherent twin boundary interactions in copper
journal, January 2017

Fang, Qiongjiali; Sansoz, Frederic
Acta Materialia, Vol. 123
DOI: 10.1016/j.actamat.2016.10.032

Microstructural evolution, mechanical properties and deformation mechanisms of nanocrystalline Cu thin films alloyed with Zr
journal, September 2014

Zhang, P.; Zhang, J. Y.; Li, J.
Acta Materialia, Vol. 76
DOI: 10.1016/j.actamat.2014.04.041

Stress-assisted grain growth in nanocrystalline metals: Grain boundary mediated mechanisms and stabilization through alloying
journal, June 2017

Zhang, Yang; Tucker, Garritt J.; Trelewicz, Jason R.
Acta Materialia, Vol. 131
DOI: 10.1016/j.actamat.2017.03.060

Optimization of strength and ductility in nanotwinned ultra-fine grained Ag: Twin density and grain orientations
journal, September 2015

Ott, R. T.; Geng, J.; Besser, M. F.
Acta Materialia, Vol. 96
DOI: 10.1016/j.actamat.2015.06.030

XSEDE: Accelerating Scientific Discovery
journal, September 2014

Towns, John; Cockerill, Timothy; Dahan, Maytal
Computing in Science & Engineering, Vol. 16, Issue 5
DOI: 10.1109/MCSE.2014.80

Grain boundary doping strengthens nanocrystalline copper alloys
journal, October 2012

Özerinç, Sezer; Tai, Kaiping; Vo, Nhon Q.
Scripta Materialia, Vol. 67, Issue 7-8
DOI: 10.1016/j.scriptamat.2012.06.031

Transition of dislocation nucleation induced by local stress concentration in nanotwinned copper
journal, July 2015

Lu, N.; Du, K.; Lu, L.
Nature Communications, Vol. 6, Issue 1
DOI: 10.1038/ncomms8648

Dislocation nucleation governed softening and maximum strength in nano-twinned metals
journal, April 2010

Li, Xiaoyan; Wei, Yujie; Lu, Lei
Nature, Vol. 464, Issue 7290
DOI: 10.1038/nature08929

Nanocrystalline Al-Mg with extreme strength due to grain boundary doping
journal, June 2017

Pun, Simon C.; Wang, Wenbo; Khalajhedayati, Amirhossein
Materials Science and Engineering: A, Vol. 696
DOI: 10.1016/j.msea.2017.04.095

Morphology and mechanical properties of nanocrystalline Cu/Ag alloy
journal, January 2017

Li, Ao; Szlufarska, Izabela
Journal of Materials Science, Vol. 52, Issue 8
DOI: 10.1007/s10853-016-0700-3

Nanotwinned fcc metals: Strengthening versus softening mechanisms
journal, December 2010

Stukowski, A.; Albe, K.; Farkas, D.
Physical Review B, Vol. 82, Issue 22
DOI: 10.1103/PhysRevB.82.224103

Thermal stability of twins and strengthening mechanisms in differently oriented epitaxial nanotwinned Ag films
journal, May 2013

Bufford, Daniel; Wang, Haiyan; Zhang, Xinghang
Journal of Materials Research, Vol. 28, Issue 13
DOI: 10.1557/jmr.2013.50

Relationship between hardness and dislocation processes in a nanocrystalline metal at the atomic scale
journal, June 2011

Sansoz, Frederic; Stevenson, Kevin D.
Physical Review B, Vol. 83, Issue 22
DOI: 10.1103/PhysRevB.83.224101

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

Sadigh, Babak; Erhart, Paul; Stukowski, Alexander
Physical Review B, Vol. 85, Issue 18
DOI: 10.1103/PhysRevB.85.184203

Synthesis and microstructure of electrodeposited and sputtered nanotwinned face-centered-cubic metals
journal, April 2016

Bufford, Daniel C.; Wang, Y. Morris; Liu, Yue
MRS Bulletin, Vol. 41, Issue 4
DOI: 10.1557/mrs.2016.62

Effect of solute segregation on thermal creep in dilute nanocyrstalline Cu alloys
journal, June 2012

Schäfer, Jonathan; Ashkenazy, Yinon; Albe, Karsten
Materials Science and Engineering: A, Vol. 546
DOI: 10.1016/j.msea.2012.03.078

An atom probe study on Nb solute partitioning and nanocrystalline grain stabilization in mechanically alloyed Cu-Nb
journal, March 2017

Kapoor, Monica; Kaub, Tyler; Darling, Kristopher A.
Acta Materialia, Vol. 126
DOI: 10.1016/j.actamat.2016.12.057

On the mechanical performance and deformation of nanotwinned Ag
journal, April 2014

Furnish, T. A.; Hodge, A. M.
APL Materials, Vol. 2, Issue 4
DOI: 10.1063/1.4873215

Periodic Segregation of Solute Atoms in Fully Coherent Twin Boundaries
journal, May 2013

Nie, J. F.; Zhu, Y. M.; Liu, J. Z.
Science, Vol. 340, Issue 6135
DOI: 10.1126/science.1229369

The effect of nanotwins on the corrosion behavior of copper
journal, April 2014

Zhao, Y.; Cheng, I. C.; Kassner, M. E.
Acta Materialia, Vol. 67
DOI: 10.1016/j.actamat.2013.12.030

Detwinning mechanisms for growth twins in face-centered cubic metals
journal, April 2010

Wang, J.; Li, N.; Anderoglu, O.
Acta Materialia, Vol. 58, Issue 6
DOI: 10.1016/j.actamat.2009.12.013

Nouvelles applications des paramètres continus à la théorie des formes quadratiques. Deuxième mémoire. Recherches sur les parallélloèdres primitifs.
journal, July 1908

Voronoi, Georges
Journal für die reine und angewandte Mathematik (Crelles Journal), Vol. 1908, Issue 134
DOI: 10.1515/crll.1908.134.198

Works referencing / citing this record:

Atomistic modeling of interfacial segregation and structural transitions in ternary alloys
journal, November 2018

Hu, Yang; Rupert, Timothy J.
Journal of Materials Science, Vol. 54, Issue 5
DOI: 10.1007/s10853-018-3139-x

Ideal maximum strengths and defect-induced softening in nanocrystalline-nanotwinned metals
journal, September 2019

Ke, Xing; Ye, Jianchao; Pan, Zhiliang
Nature Materials, Vol. 18, Issue 11
DOI: 10.1038/s41563-019-0484-3

Similar Records in DOE PAGES and OSTI.GOV collections:

Ideal maximum strengths and defect-induced softening in nanocrystalline-nanotwinned metals

Journal Article Ke, Xing ; Ye, Jianchao ; Pan, Zhiliang ; ... - Nature Materials

Strengthening of metals through nanoscale grain boundaries and coherent twin boundaries is manifested by a maximum strength—a phenomenon known as Hall–Petch breakdown. Different softening mechanisms are considered to occur for nanocrystalline and nanotwinned materials. Here, we report nanocrystalline-nanotwinned Ag materials that exhibit two strength transitions dissimilar from the above mechanisms. Atomistic simulations show three distinct strength regions as twin spacing decreases, delineated by positive Hall–Petch strengthening to grain-boundary-dictated (near-zero Hall–Petch slope) mechanisms and to softening (negative Hall–Petch slope) induced by twin-boundary defects. An ideal maximum strength is reached for a range of twin spacings below 7 nm. We synthesized nanocrystalline-nanotwinnedmore »« less
Cited by 59
https://doi.org/10.1038/s41563-019-0484-3

Full Text Available
Strengthening Nanotwinned Metals beyond the Hall-Petch Limit

Technical Report Sansoz, Frederic

A research partnership program was conducted to study the roles of trace element segregation as a fundamentally new mechanism of grain-boundary and twin-boundary strengthening in nanocrystalline-nanotwinned face-centered-cubic silver metals. The goals were to create new metals that break the decades-old theoretical Hall-Petch strength limit, and to study a new class of super-strong conducting materials. This program combined synergistic experimental and computational studies at the atomic scale, using a wide range of resources and scientific expertise at the University of Vermont, Ames Laboratory and Lawrence Livermore National Laboratory. This research led to a discovery that annealing of nanotwinned silver with tracemore »« less
https://doi.org/10.2172/1574142

Full Text Available
Columnar Grain-driven Plasticity and Cracking in Nanotwinned FCC Metals

Journal Article Sansoz, Frederic ; Fang, Qiongjiali - Acta Materialia

The mechanisms of strengthening and plasticity in columnar-grained metals with preferentially oriented nano-sized twins have been examined traditionally by considering dislocation processes, but rarely from the perspective of grain boundary (GB) deformation. Here, the effects of GB strain accommodation on plastic deformation in four different columnar-grained nanocrystalline nanotwinned (nt) face-centered-cubic metals (Cu, Ag, Al, and Ni) were studied by large-scale molecular dynamics simulations. It is observed that in tensile deformation parallel to coherent twin boundaries (CTBs), the dislocation mechanisms in each metal are identical and associated with GB emissions of jog and threading dislocations at small and large CTB spacings,more »« less
https://doi.org/10.1016/j.actamat.2021.116925

Full Text Available
Hall–Petch strengthening limit through partially active segregation in nanocrystalline Ag-Cu alloys

Journal Article Sansoz, Frederic ; Ke, Xing - Acta Materialia

The breakdown from grain-size strengthening to softening mechanisms is generally well understood for high-purity nanocrystalline materials when the mean grain size decreases to the nanometer range. In nanocrystalline alloys, however, the stabilization of nanosized grains by grain-boundary solute segregation complicates the above mechanisms. Moreover, current segregation models have little predictive power for determining the optimal solute content that maximizes Hall-Petch strengthening effects. In this article, using large-scale hybrid Monte-Carlo/molecular dynamic simulations, we present a systematic study of the Hall–Petch breakdown in Cu-segregated Ag alloys with grain sizes ranging from 8 nm to 59 nm, where three concentration-dependent regimes of plasticitymore »« less
https://doi.org/10.1016/j.actamat.2021.117560

Full Text Available
Deformation mechanisms of nanotwinned Al

Technical Report Zhang, Xinghang

The objective of this project is to investigate the role of different types of layer interfaces on the formation of high density stacking fault (SF) in Al in Al/fcc multilayers, and understand the corresponding deformation mechanisms of the films. Stacking faults or twins can be intentionally introduced (via growth) into certain fcc metals with low stacking fault energy (such as Cu, Ag and 330 stainless steels) to achieve high strength, high ductility, superior thermal stability and good electrical conductivity. However it is still a major challenge to synthesize these types of defects into metals with high stacking fault energy, suchmore »« less
https://doi.org/10.2172/1331877

Full Text Available

Similar Records

Title: Segregation-affected yielding and stability in nanotwinned silver by microalloying

Abstract

Citation Formats

Structure and migration of (112) step on (111) twin boundaries in nanocrystalline copper journal, December 2008

Helium segregation to screw and edge dislocations in α-iron and their yield strength journal, February 2015

Plastic anisotropy and associated deformation mechanisms in nanotwinned metals journal, January 2013

Strengthening and plasticity in nanotwinned metals journal, April 2016

Enhancement of strength and stability of nanostructured Ni by small amounts of solutes journal, September 2011

Reaching theoretical strengths in nanocrystalline Cu by grain boundary doping journal, October 2011

Epitaxial nanotwinned Cu films with high strength and high conductivity journal, August 2008

Plasticity of nanocrystalline alloys with chemical order: on the strength and ductility of nanocrystalline Ni–Fe journal, January 2013

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

Cu/Ag EAM potential optimized for heteroepitaxial diffusion from ab initio data journal, December 2009

Thermal stability of highly nanotwinned copper: The role of grain boundaries and texture journal, November 2012

Ultrahigh Strength and High Electrical Conductivity in Copper journal, April 2004

Grain boundary segregation, chemical ordering and stability of nanocrystalline alloys: Atomistic computer simulations in the Ni–W system journal, July 2007

Revealing the Maximum Strength in Nanotwinned Copper journal, January 2009

High strength, epitaxial nanotwinned Ag films journal, January 2011

Plastic deformation of nanocrystalline Pd–Au alloys: On the interplay of grain boundary solute segregation, fault energies and grain size journal, May 2011

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

Defective twin boundaries in nanotwinned metals journal, May 2013

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

Influence of intrinsic kink-like defects on screw dislocation – coherent twin boundary interactions in copper journal, January 2017

Microstructural evolution, mechanical properties and deformation mechanisms of nanocrystalline Cu thin films alloyed with Zr journal, September 2014

Stress-assisted grain growth in nanocrystalline metals: Grain boundary mediated mechanisms and stabilization through alloying journal, June 2017

Optimization of strength and ductility in nanotwinned ultra-fine grained Ag: Twin density and grain orientations journal, September 2015

XSEDE: Accelerating Scientific Discovery journal, September 2014

Grain boundary doping strengthens nanocrystalline copper alloys journal, October 2012

Transition of dislocation nucleation induced by local stress concentration in nanotwinned copper journal, July 2015

Dislocation nucleation governed softening and maximum strength in nano-twinned metals journal, April 2010

Nanocrystalline Al-Mg with extreme strength due to grain boundary doping journal, June 2017

Morphology and mechanical properties of nanocrystalline Cu/Ag alloy journal, January 2017

Nanotwinned fcc metals: Strengthening versus softening mechanisms journal, December 2010

Thermal stability of twins and strengthening mechanisms in differently oriented epitaxial nanotwinned Ag films journal, May 2013

Relationship between hardness and dislocation processes in a nanocrystalline metal at the atomic scale journal, June 2011

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

Synthesis and microstructure of electrodeposited and sputtered nanotwinned face-centered-cubic metals journal, April 2016

Effect of solute segregation on thermal creep in dilute nanocyrstalline Cu alloys journal, June 2012

An atom probe study on Nb solute partitioning and nanocrystalline grain stabilization in mechanically alloyed Cu-Nb journal, March 2017

On the mechanical performance and deformation of nanotwinned Ag journal, April 2014

Periodic Segregation of Solute Atoms in Fully Coherent Twin Boundaries journal, May 2013

The effect of nanotwins on the corrosion behavior of copper journal, April 2014

Detwinning mechanisms for growth twins in face-centered cubic metals journal, April 2010

Nouvelles applications des paramètres continus à la théorie des formes quadratiques. Deuxième mémoire. Recherches sur les parallélloèdres primitifs. journal, July 1908

Atomistic modeling of interfacial segregation and structural transitions in ternary alloys journal, November 2018

Ideal maximum strengths and defect-induced softening in nanocrystalline-nanotwinned metals journal, September 2019

Structure and migration of (112) step on (111) twin boundaries in nanocrystalline copper
journal, December 2008

Helium segregation to screw and edge dislocations in α-iron and their yield strength
journal, February 2015

Plastic anisotropy and associated deformation mechanisms in nanotwinned metals
journal, January 2013

Strengthening and plasticity in nanotwinned metals
journal, April 2016

Enhancement of strength and stability of nanostructured Ni by small amounts of solutes
journal, September 2011

Reaching theoretical strengths in nanocrystalline Cu by grain boundary doping
journal, October 2011

Epitaxial nanotwinned Cu films with high strength and high conductivity
journal, August 2008

Plasticity of nanocrystalline alloys with chemical order: on the strength and ductility of nanocrystalline Ni–Fe
journal, January 2013

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

Cu/Ag EAM potential optimized for heteroepitaxial diffusion from ab initio data
journal, December 2009

Thermal stability of highly nanotwinned copper: The role of grain boundaries and texture
journal, November 2012

Ultrahigh Strength and High Electrical Conductivity in Copper
journal, April 2004

Grain boundary segregation, chemical ordering and stability of nanocrystalline alloys: Atomistic computer simulations in the Ni–W system
journal, July 2007

Revealing the Maximum Strength in Nanotwinned Copper
journal, January 2009

High strength, epitaxial nanotwinned Ag films
journal, January 2011

Plastic deformation of nanocrystalline Pd–Au alloys: On the interplay of grain boundary solute segregation, fault energies and grain size
journal, May 2011

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

Defective twin boundaries in nanotwinned metals
journal, May 2013

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

Influence of intrinsic kink-like defects on screw dislocation – coherent twin boundary interactions in copper
journal, January 2017

Microstructural evolution, mechanical properties and deformation mechanisms of nanocrystalline Cu thin films alloyed with Zr
journal, September 2014

Stress-assisted grain growth in nanocrystalline metals: Grain boundary mediated mechanisms and stabilization through alloying
journal, June 2017

Optimization of strength and ductility in nanotwinned ultra-fine grained Ag: Twin density and grain orientations
journal, September 2015

XSEDE: Accelerating Scientific Discovery
journal, September 2014

Grain boundary doping strengthens nanocrystalline copper alloys
journal, October 2012

Transition of dislocation nucleation induced by local stress concentration in nanotwinned copper
journal, July 2015

Dislocation nucleation governed softening and maximum strength in nano-twinned metals
journal, April 2010

Nanocrystalline Al-Mg with extreme strength due to grain boundary doping
journal, June 2017

Morphology and mechanical properties of nanocrystalline Cu/Ag alloy
journal, January 2017

Nanotwinned fcc metals: Strengthening versus softening mechanisms
journal, December 2010

Thermal stability of twins and strengthening mechanisms in differently oriented epitaxial nanotwinned Ag films
journal, May 2013

Relationship between hardness and dislocation processes in a nanocrystalline metal at the atomic scale
journal, June 2011

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

Synthesis and microstructure of electrodeposited and sputtered nanotwinned face-centered-cubic metals
journal, April 2016

Effect of solute segregation on thermal creep in dilute nanocyrstalline Cu alloys
journal, June 2012

An atom probe study on Nb solute partitioning and nanocrystalline grain stabilization in mechanically alloyed Cu-Nb
journal, March 2017

On the mechanical performance and deformation of nanotwinned Ag
journal, April 2014

Periodic Segregation of Solute Atoms in Fully Coherent Twin Boundaries
journal, May 2013

The effect of nanotwins on the corrosion behavior of copper
journal, April 2014

Detwinning mechanisms for growth twins in face-centered cubic metals
journal, April 2010

Nouvelles applications des paramètres continus à la théorie des formes quadratiques. Deuxième mémoire. Recherches sur les parallélloèdres primitifs.
journal, July 1908

Atomistic modeling of interfacial segregation and structural transitions in ternary alloys
journal, November 2018

Ideal maximum strengths and defect-induced softening in nanocrystalline-nanotwinned metals
journal, September 2019