Publications

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). doi: 10.1016/j.actamat.2013.11.067

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). doi: 10.1016/j.actamat.2013.10.056

Role of Cone Angle on the Mechanical Behavior of Cup-stacked Carbon Nanofibers Studied by Atomistic Simulations
Jingjun Gu and Frederic Sansoz, Carbon 66, 523-529 (2014). doi: 10.1016/j.carbon.2013.09.029


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). doi: 10.1038/nmat3646

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). doi: 10.1016/j.jmps.2013.04.009

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). doi: 10.1038/ncomms2768

An atomistic simulation study of the mechanisms and kinetics of surface bond strengthening in thermally-treated cone-stacked carbon nanofibers
Jingjun Gu and Frederic Sansoz, Carbon, 56, 351-357 (2013). doi: 10.1016/j.carbon.2013.01.027



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. April 2012.



2011

Surface Faceting Dependence of Thermal Transport in Silicon Nanowires
Frederic Sansoz, Nano Letters, 11 (12), 53785382 (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).

Atomistic Processes Controlling Flow Stress Scaling during Compression of Nanoscale Face-Centered Cubic Crystals
Frederic Sansoz, Acta Materialia, 59, 3364-3372 (2011).



2010

Nanoscale Crystal Plasticity: Rising to the Surface
F. 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, 30013008 (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, in Focus Issue on Indentation Methods in Advanced Materials Research, 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 FRACT. ENGNG. MATER. STRUCT. 25, issue 1, 41-53 (2002).

 
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