Publications

2014

 
Multiscale Computational Modeling of Deformation Mechanics and Intergranular Fracture in Nanocrystalline Copper
V. Péron-Lührs, F. Sansoz, A. Jerusalem and L. Noels
Computational Materials Science 90, 253-264 (2014)
 
Effect of Geometrical Constraint Condition on the Formation of Nanoscale Twins in the Ni-based Metallic Glass Composite
M. H. Lee, B. S. Kim, D. H. Kim, R. T. Ott, F. Sansoz and J. Eckert
Philosophical Magazine Letters 94:6, 351-360 (2014)
 
Size Effects in Bimetallic Nickel-Gold Nanowires: Insight from Atomic Force Microscopy Nanoindentation
E. L. Wood, T. Avant, G.S. Kim, S.K. Lee, Z. Burchman, J.M. Hughes, F.Sansoz
Acta Materialia 66, 32-34 (2014)
 
Quasicontinuum study of the shear behavior of defective tilt grain boundaries in Cu
V. Peron, F. Sansoz and L. Noels
Acta Materialia 64, 419-428 (2014)
 

 


2013

 
Defective Twin Boundaries in Nanotwinned Metals
Y. M. Wang, F. Sansoz, T. LaGrange, R. T. Ott, J. Marian, T. W. Barbee Jr, A. V. Hamza
Nature Materials 12, 697 - 702 (2013)
 
A two-scale Model predicting the Mechanical Behavior of Nanocrystalline Solids
V. Péron-Lührs, A. Jérusalem, F. Sansoz, L. Stainier, L. Noels
Journal of the Mechanics and Physics of Solids, 61, 1895-1914 (2013)
 

Near Ideal Theoretical Strength in Gold Nanowires containing Angstrom Scale Twins
J. Wang, F. Sansoz, J. Huang, Y. Liu, S. Sun, Z. Zhang, S. X. Mao
Nature Communications, 4 , 1742 (2013)

 
 

2012

 

Growth and Properties of Coherent Twinning Superlattice Nanowires (Invited Feature Article)
Erin L. Wood and Frederic Sansoz
Nanoscale, 4, 5268 (2012)

 
Surface and Interface Effects on Thermoelectric Behaviour in Crystalline Nanowires
Frederic Sansoz
Chapter 15 in Thermoelectrics and its Energy Harvesting: Materials, Preparation, and Characterization in Thermoelectrics, D. M. Rowe (Ed.), CRC Press (2012)



2011

 

Surface Faceting Dependence of Thermal Transport in Silicon Nanowires
Frederic Sansoz
Nano Letters, 11 (12), 5378–5382 (2011)

 
Relationship between Hardness and Dislocation Processes in a Nanocrystalline Metal at the Atomic Scale
Frederic Sansoz and Kevin D. Stevenson
Physical Review B, 83, 224101 (2011)
 



2010

Nanoscale Crystal Plasticity: Rising to the Surface
Frederic Sansoz
An online summary for Azonano.com's Nanotechnology Thought Leaders Series (2010)

A Force-Matching Method for Quantitative Hardness Measurements by Atomic Force Microscopy with Diamond-tipped Sapphire Cantilevers
F. Sansoz and T. Gang
Ultramicroscopy, 111, 11-19 (2010)

Nanoindentation and Plasticity in Nanocrystalline Ni Nanowires: A Case Study in Size Effect Mitigation
F. Sansoz and V. Dupont
Scripta Materialia, 63, 1136-1139 (2010).

Repulsive Force of Twin Boundary on Curved Dislocations and its Role of the Yielding of Twinned Nanowires
C. Deng and F. Sansoz
Scripta Materialia, 63, 50-53 (2010)

Effects of Twin and Surface Facet on Strain Rate Sensitivity of Gold Nanowires at Different Temperatures
C. Deng and F. Sansoz
Physical Review B, 81, 155430 (2010)

Multiscale Modeling of Contact-Induced Plasticity in Nanocrystalline Metals
V. Dupont and F. Sansoz
Book Chapter in Trends in Computational Nanomechanics: Transcending Time and Space , T. Dumitrica (Volume Ed.), Springer Series: Challenges and Advances in Computational Chemistry and Physics. Vol. 9 (2010)

 


2009

Near-Ideal Strength in Gold Nanowires Achieved through Microstructural Design
C. Deng and F. Sansoz
ACS Nano, 3, 3001–3008 (2009)

Fundamental Differences in the Plasticity of Periodically Twinned Nanowires in Au, Ag, Al, Cu, Pb and Ni
C. Deng and F. Sansoz
Acta Materialia, 57, 6090-6101 (2009)

Size-Dependent Yield Stress in Twinned Gold Nanowires Mediated by Site-Specific Surface Dislocation Emission
C. Deng and F. Sansoz
Applied Physics Letters, 95, 091914 (2009)

Enabling Ultrahigh Plastic Flow and Work Hardening in Twinned Gold Nanowires
C. Deng and F. Sansoz
Nano Letters, 9 (4), 1517-1522 (2009)

Size-Dependent Plasticity in Twinned Metal Nanowires
F. Sansoz and C. Deng
Proceedings of the International Conference of Fracture (ICF12) (2009)

Mechanical Properties in Individual Carbon Nanofibers at High Temperature and High Pressure by Molecular Dynamics Simulations
J. Gu and F. Sansoz
Mater. Res. Soc. Symp. Proc. Volume 1137E , Warrendale, PA, 1137-EE10-05 (2009)

Molecular Dynamics Study of Crystal Plasticity during Nanoindentation in Ni Nanowires
V. Dupont and F. Sansoz
Journal of Materials Research, 24 (3), 948-956 (2009)

Inelastic Behavior and Fracture of High Modulus Polymeric Fiber Bundles at High Strain Rates
D. L. Languerand, H. Zhang, N.S. Murthy, K.T. Ramesh and F. Sansoz
Materials Science & Engineering A, 500, 216-224 (2009)

 


2008

Quasicontinuum Study of Incipient Plasticity under Nanoscale Contact in Nanocrystalline Aluminum
V. Dupont and F. Sansoz
Acta Materialia, 56, 6013-6026 (2008)

An Atomistic Perspective on Twinning Phenomena in Nano-enhanced FCC Metals
F. Sansoz, H. Huang and D.H. Warner
JOM, 9, 79-84 (2008)

Comment on “Deformation mechanisms of face-centered-cubic metal nanowires with twin boundaries” Appl. Phys. Lett. 90, 151909 (2007)
F. Sansoz and C. Deng
Applied Physics Letters, 93, 086101 (2008). Also appearing in the September 8, 2008 issue of Virtual Journal of Nanoscale Science & Technology.

Incidence of Nanoscale Heterogeneity on the Nanoindentation of a Semicrystalline Polymer: Experiments and Modeling
F. Bedoui, F. Sansoz and N.S. Murthy
Acta Materialia 56, 10, 2296-2306 (2008)

Making the Surface of Nanocrystalline Ni on an Si Substrate Ultrasmooth by Direct Electrodeposition
F. Sansoz, K.D. Stevenson, R. Govinthasamy and N. S. Murthy
Scripta Materialia 59, 103-106 (2008)

Anisotropic Mobility in Large Grain Size Solution Processed Organic Semiconductor Thin Films
R.L Headrick, S. Wo, F. Sansoz and J. E. Anthony
Applied Physics Letters
92 ,063302 (2008)

 


2007

Uniaxial Compression Behavior of Bulk Nano-twinned Gold from Molecular Dynamics Simulation
C. Deng and F. Sansoz
Mater. Res. Soc. Symp. Proceeding 1049, 1049-AA08-05 (2007)

Strengthening in Gold Nanopillars with Nanoscale Twins
K. A. Afanasyev and F. Sansoz
Nano Letters
, 7(7), 2056-2062 (2007)

Atomic Mechanism of Shear Localization during Indentation of a Nanostructured Metal
F. Sansoz and V. Dupont
Materials Science & Engineering C, 27, 1509-1513 (2007)

Size and Microstructure Effects on the Mechanical Behavior of FCC Bicrystals by Quasicontinuum Method
F . Sansoz and J.F. Molinari
Thin Solid Films, 515/6, 3158-3163 (2007)

 


2006

Yield Criteria and Strain-Rate Behavior of Zr 57.4-Cu 16.4-Ni 8.2-Ta 8-Al 10 Metallic-Glass-Matrix Composites
R.T. Ott, F. Sansoz, T. Jiao, D. Warner, C. Fan, J. F. Molinari, K.T. Ramesh, and T.C. Hufnagel
Metallurgical and Materials Transactions A 37A, 3251 (2006)

Grain Growth Behavior at Absolute Zero during Nanocrystalline Metal Indentation
F. Sansoz and V. Dupont
Applied Physics Letters, 89, 111901 (2006)

Deformation of Nanocrystalline Metals under Nanoscale Contact
F. Sansoz and V. Dupont
Proc. of the NSTI NANOTECH 2006 Conference, 1, 50-53 (2006)

Atomistic based Continuum Investigation of Plastic Deformation in Nanocrystalline Copper
W. Warner, F. Sansoz, and J.F. Molinari
International Journal of Plasticity , 22, 754-774 (2006)

 


2005

Grain Boundary Structure Evolution in Nanocrystalline Al by Nanoindentation Simulations
V. Dupont and F. Sansoz
Mater. Res. Soc. Symp. Proceeding 903E, 0903-Z06-05.1 (2005)

Mechanical Behavior of Sigma Tilt Grain Boundaries in Nanoscale Cu and Al: a Quasicontinuum Study
F. Sansoz and J.F. Molinari
Acta Materialia 53, 7, 1931-1944 (2005)

Micromechanics of Deformation of Metallic-Glass-Matrix Composites from in-situ Synchrotron Strain Measurements and Finite Element Modeling
R.T. Ott, F. Sansoz, J.F. Molinari, J. Almer, K.T. Ramesh, and T.C. Hufnagel
Acta Materialia 53, 7, 1883-1893 (2005)

 


2004

Ductility Exhaustion Mechanisms in  Thermally Exposed Thin Sheets of a Near-beta Titanium Alloy
F. Sansoz, M. Almesallmy and H. Ghonem
Metallurgical and Materials Transactions A 35A, 10, 3113-3127 (2004)

Incidence of Atomic Shuffling on the Shear and Decohesion Behavior of a Symmetric Tilt Grain Boundary in Copper
F. Sansoz and J.F. Molinari
Scripta Materialia 50, 10, 1283-1288 (2004)

Modeling of Deformation in Nanocrystalline Copper using an Atomistic-Based Continuum Approach
D.H. Warner, F. Sansoz and J.F. Molinari
Mater. Res. Soc. Symp. Proceeding 791, Q5.31.1-Q5.31.6 (2004)

Synchrotron Strain Measurements for in-situ Formed Metallic Glass Matrix Composite
R.T. Ott, F. Sansoz, J.F. Molinari, J. Almer, C. Fan and T.C. Hufnagel
Mater. Res. Soc. Symp. Proceeding 806, MM8.12.1-MM8.12.6 (2004)

 


2003 -2002

Fatigue Crack Growth Mechanisms in Ti6242 Lamellar Microstructures: Influence of Loading Frequency and Temperature
F. Sansoz and H. Ghonem
Metallurgical and Materials Transactions A 34A, 11, 2565-2577 (2003)

Effects of Loading Frequency on Fatigue Crack Growth Mechanisms in alpha/beta Ti Microstructures with Large Colony Size
F. Sansoz and H. Ghonem
Materials Science & Engineering A 356, 1-2, 81-92 (2003)

Propagation of Short Fatigue Cracks from Notches in a Ni base Superalloy: Experiments and Modelling
F. Sansoz, B. Brethes and A. Pineau
Fatigue and Fracture in Engineering Materials and Structures, 25, issue 1, 41-53 (2002)

 

 
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