Meetings & Events

 

2013 MRS Fall Meeting Logo2013 MRS Fall Meeting & Exhibit

December 1-6, 2013 | Boston
Meeting Chairs: Charles Black, Elisabetta Comini, Gitti Frey, Kristi Kiick, Loucas Tsakalakos

Symposium KK : Dislocation Plasticity

2013-12-02   Show All Abstracts

Symposium Organizers

Thomas Hochrainer, Universitaet Bremen
Jaafar El-Awady, Johns Hopkins University
Giacomo Po, University of California, Los Angeles
Stefan Sandfeld, Friedrich-Alexander-Universitaet Erlangen-Nuernberg
KK2: Microstructure Characterization II
Session Chairs
Anthony Rollett
Monday PM, December 02, 2013
Hynes, Level 1, Room 104

2:30 AM - *KK2.01
Multiple Length Scale Measurements of Geometrically Necessary Dislocation (GND) Densities in Tantalum

Jeffrey W. Kysar 1 Muin S. Oztop 1 Carl Dahlberg 1 Christian F. Niordson 2

1Columbia University New York USA2Technical University of Denmark Lyngby Denmark

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3:15 AM - KK2.03
Experimental Characterization of Micro Plasticity and Dislocation Microstructures

Patric Gruber 1 Mark Wobrock 1 Michael Ziemann 1 Mario Walter 1 Oliver Kraft 1

1Karlsruhe Institute of Technology Karlsruhe Germany

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3:30 AM - KK2.04
Intrinsic Properties of Dislocations Freshly Induced by Plastic Deformation in GaN

Ichiro Yonenaga 1 Takafumi Yao 1 Keiichi Edagawa 2

1Tohoku University Sendai Japan2The University of Tokyo Tokyo Japan

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4:00 AM -
BREAK

KK3: Dislocation Dynamics
Session Chairs
Stefan Sandfeld
Monday PM, December 02, 2013
Hynes, Level 1, Room 104

4:45 AM - KK3.02
Field Models of Anisotropic Dislocation Systems

Mehran Monavari 1 Michael Zaiser 1 Stefan Sandfeld 1

1Friedrich-Alexander-Universitamp;#228;t Erlangen-Namp;#252;rnberg Famp;#252;rth Germany

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5:00 AM - KK3.03
Molecular Dynamics Study of Obstacle Induced Hardening; From Nano-Sized Defects to Binary Junction

Seyed Masood Hafez Haghighat 1 Robin Schaeublin 2 Dierk Raabe 1

1Max Planck Institute for Iron Research Dusseldorf Germany2Ecole Polytechnique Famp;#233;damp;#233;rale de Lausanne Lausanne Switzerland

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5:15 AM - KK3.04
A Semi-Empirical Approach for Accurate Dislocation Junction Strengths of any Hexagonal Close-Packed Crystal

Chi-Chin Wu 1 Peter W. Chung 1

1Army Research Laboratory Aberdeen Proving Ground USA

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Ill Ryu 1 Huajian Gao 1

1Brown University Providence USA

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KK4: Poster Session: Dislocation Plasticity
Session Chairs
Monday PM, December 02, 2013
Hynes, Level 1, Hall B

9:00 AM - KK4.03
Dynamic Properties of Dislocations in Ge Controlled by Fermi Level

Yu Murao 1 Toshinori Taishi 2 Yuki Tokumoto 1 Yutaka Ohno 1 Kentaro Kutsukake 1 Kaihei Inoue 1 Ichiro Yonenaga 1

1Tohoku University Sendai Japan2Shinshu University Nagano Japan

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9:00 AM - KK4.06
Atomistic Evaluation of Interaction between Screw Dislocation and Solute Si in Fe-Si Alloy

Masato Wakeda 1 Hajime Kimizuka 1 Shigenobu Ogata 1 2

1Osaka University Osaka Japan2Kyoto University Kyoto Japan

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9:00 AM - KK4.07
Carbon Drag by Moving Screw Dislocations in Bcc Iron: Atomistic Insights

Blazej Grabowski 1 Gh. Ali Nematollahi 1 Joerg Neugebauer 1 Dierk Raabe 1

1Max-Planck-Institut Damp;#252;sseldorf Germany

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9:00 AM - KK4.09
`Positiversquo; and `Negativersquo; Edge Dislocations Interacting with Symmetrical Tilt Coherent Sigma;11 GB In Cu: A Quasi-Continuum Method Study

Wenshan Yu 1 Zhiqiang Wang 2

1Massachusetts of Institute of technology Cambridge USA2University of North Texas Denton USA

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9:00 AM - KK4.10
Homogeneous Dislocation Nucleation - Role of Crystal Geometry & Interatomic Potential

Akanksha Garg 1 Craig Maloney 1

1Carnegie Mellon University Pittsburgh USA

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9:00 AM - KK4.11
First-Principles Calculations of the Core Structure and Mobility of Pyramidal Dislocations in Mg

Mitsuhiro Itakura 1 Hideo Kaburaki 1 Masatake Yamaguchi 1 Tomohito Tsuru 1

1Japan Atomic Energy Institute Kashiwa Japan

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9:00 AM - KK4.12
Combined Application of EBSD and ECCI Using a Versatile 5-Axes Goniometer in an SEM

Andrew Jonathan Smith 1 Stefan Zaefferer 2 Klaus Schock 1 Stephan Kleindiek 1

1Kleindiek Nanotechnik Reutlingen Germany2Max-Planch-Institut famp;#252;r Eisenforschung Damp;#252;sseldorf Germany

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9:00 AM - KK4.13
Modeling the Dislocation Network Evolution in Cu Single Crystals under Low Cycle Fatigue

Mutasem Shehadeh 1

1American University of Beirut Beirut Lebanon

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9:00 AM -
KK4.02 Transferred to KK2.02

9:00 AM -
KK4.04 Transferred to KK3.03

9:00 AM -
KK4.05 Transferred to KK12.09

KK1: Microstructure Characterization I
Session Chairs
Bennett Larson
Jeffrey Kysar
Monday AM, December 02, 2013
Hynes, Level 1, Room 104

9:30 AM - *KK1.01
Comparison of Crystal Plasticity Modeling with 3D Experiments

Anthony Rollett 1 Robert Suter 1 Reeju Pokharel 1 Jon Lind 1 Richard Lesar 3 Ricardo Lebensohn 2

1Carnegie Mellon Univ. Pittsburgh USA2Los Alamos National Lab. Los Alamos USA3Iowa State Univ. Ames USA

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10:00 AM - KK1.02
Measurements and Modeling of Dislocation Density Evolution

Zhe Leng 1 David P. Field 1

1Washington State University Pullman USA

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10:15 AM - KK1.03
Dislocation Density and Stress Hot Spots in Deformed Cu Identified by EBSD

T Ben Britton 1 Jun Jiang 2 Angus J Wilkinson 2

1Imperial College London London United Kingdom2University of Oxford Oxford United Kingdom

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10:30 AM -
BREAK

11:00 AM - *KK1.04
3D X-Ray Microscopy Measurements and Discrete Dislocation Dynamics Simulations Study of Deformation in Compressed Cu

Bennett Larson 1

1Oak Ridge National Laboratory Oak Ridge USA

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11:30 AM - KK1.05
Counting Dislocations in Micro-Crystals with Coherent X-Rays: Ex-Situ and In-Situ Studies of the Plastic Deformation of Insb Micro-Pillars

Vincent L.R. Jacques 1 Dina Carbone 2 Rudy Ghisleni 3 Christoph Kirchlechner 4 Ludovic Thilly 5

1Laboratoire de Physique des Solides Orsay France2ESRF Grenoble France3EMPA Thun Switzerland4Max Planck Institut famp;#252;r Eisenforschung Damp;#252;sseldorf Germany5University of Poitiers Futuroscope France

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11:45 AM - KK1.06
Measurement of Stress Distributions in Deformed Metals Using Electron Back Scatter Diffraction and Links to Dislocation Density

Jun Jiang 1 T. Ben Britton 2 Angus J Wilkinson 1

1University of Oxford Oxford United Kingdom2Imperial College London London United Kingdom

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12:00 PM - KK1.07
Neutron Diffraction Evidence for Incipient Kink Bands in Highly Textured Ti2AlC

Mohamed Mahmoud Shamma 1 Elad Caspi 1 5 Bjamp;#248;rn Clausen 3 Donald Brown 4 Sven Vogel 3 Volker Presser 1 2 Shahram Amini 1 Ori Yeheskel 1 5 Michel Barsoum 1

1Drexel University Philadelphia USA2Drexel University Philadelphia USA3Los Alamos National Laboratory Los Alamos USA4Los Alamos National Laboratory Los Alamos USA5Nuclear Research Center Negev Israel

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12:15 PM - KK1.08
Reversible Dislocation Motion and Microcracking in Plastically Anisotropic Solids under Cyclic Spherical Nanoindentation

Babak Anasori 1 Michel W Barsoum 1

1Drexel University Philadelphia USA

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2013-12-03   Show All Abstracts

Symposium Organizers

Thomas Hochrainer, Universitaet Bremen
Jaafar El-Awady, Johns Hopkins University
Giacomo Po, University of California, Los Angeles
Stefan Sandfeld, Friedrich-Alexander-Universitaet Erlangen-Nuernberg
KK6: Continuum Theory of Dislocations
Session Chairs
Amit Acharya
Thomas Hochrainer
Tuesday PM, December 03, 2013
Hynes, Level 1, Room 104

2:30 AM - *KK6.01
The Role of Dislocation-Dislocation Correlation in a 2D Continuum Description of Dislocations

Istvan Groma 1 Peter Ispanovity 1 Zoltan Vandrus 1

1Eotvos University Budapest Budapest Hungary

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3:00 AM - KK6.02
Continuum Dislocation Dynamics Based on the Second Order Alignment Tensor

Thomas Hochrainer 1

1Universitaet Bremen Bremen Germany

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3:15 AM - KK6.03
Discussion of Homogenization Aspects and Stress Contributions in a Continuum Description of Dislocation Dynamics

Katrin Schulz 1 Doyl Dickel 1 Peter Gumbsch 1 2

1Karlsruhe Institute of Technology Karlsruhe Germany2Fraunhofer Institute for Mechanics of Materials (IWM) Freiburg Germany

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3:30 AM - KK6.04
Thermodynamic Modeling of Compatible and Incompatible Dislocation Flow and Dynamics at Large Deformation

Bob Svendsen 1 2

1RWTH Aachen Aachen Germany2Max Planck Institute for Iron Research Damp;#252;sseldorf Germany

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3:45 AM -
BREAK

4:15 AM - KK6.05
Numerical Implementation of Continuum Dislocation Dynamics as Discontinuous-Galerkin Based Materials Routine

Alireza Ebrahimi 1 Thomas Hochrainer 1

1Universitamp;#228;t Bremen Bremen Germany

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4:30 AM - KK6.06
A Continuum Model for Dislocation Dynamics Incorporating Frank-Read Sources and Hall-Petch Relation in Two Dimensions

Yang Xiang 1 Yichao Zhu 1

1Hong Kong University of Science and Technology Clear Water Bay, KLN Hong Kong

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4:45 AM - KK6.07
From the Motion of Dislocations to Superposition Rules in Mechanism-Based Constitutive Equations of Plasticity

Catalin Picu 1

1Rensselaer Polytechnic Institute Troy USA

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KK5: Impurities and Solutes I
Session Chairs
William Curtin
Jaafar El-Awady
Tuesday AM, December 03, 2013
Hynes, Level 1, Room 104

9:30 AM - *KK5.01
From First-Principles Solute/Dislocation Interactions to Enhanced Ductility in Al-Mg Alloys

William A Curtin 1 Shyam Keralavarma 1

1EPFL Lausanne Switzerland

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10:00 AM - KK5.02
Hydrogen Effects on Slip Transmission and Mechanical Behavior in Ni

Samantha K. Lawrence 1 Brian P. Somerday 2 Neville R. Moody 2 David F. Bahr 1

1Purdue University West Lafayette USA2Sandia National Laboratories Livermore USA

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10:15 AM - KK5.03
Hydrogen Embrittlement of Iron Nano-Crystals: A Molecular Dynamics Study

Malik A. Wageh 2 Tarek M. Hatem 2 Yizhe Tang 1 Jaafar El-Awady 1

1Johns Hopkins University Baltimore USA2British University in Egypt Al-Shorouk, Cairo Egypt

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10:30 AM - KK5.04
Hydrogen/Helium Effect on Dislocation Motion in bcc-Iron: A Hybrid QM/MM Study

Ryo Kobayashi 1 Tomoyuki Tamura 2 Shuji Ogata 1

1Nagoya Institute of Technology Nagoya Japan2Nagoya Institute of Technology Nagoya Japan

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10:45 AM - KK5.05
Atomic Scale Modeling and Analysis of Screw Dislocations in Layered, Complex Hydrated Oxides

Rouzbeh Shahsavari 1

1Rice University Houston USA

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11:00 AM -
BREAK

11:30 AM - *KK5.06
In Situ Characterization of Oxygen Impurity Effects in alpha;-Titanium

Qian Yu 1 2 Rachel Traylor 1 Liang Qi 1 Daryl Chrzan 1 Mark Asta 1 John Morris 1 Andrew Minor 1 2

1UC Berkeley Berkeley USA2NCEM LBNL Berkeley USA

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12:00 PM - KK5.07
Studying Metal Decoration at Dislocations in Multicrystalline Silicon Using X-Ray Nano Probes

Jasmin Hofstetter 1 Sergio Castellanos 1 David P. Fenning 1 Barry Lai 2 Maulid Kivambe 1 Torunn Ervik 3 Markus Rinio 4 Tonio Buonassisi 1

1Massachusetts Institute of Technology Cambridge USA2Argonne National Laboratory Lemont USA3Norwegian University of Science and Technology Trondheim Norway4Karlstad University Karlstad Sweden

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12:15 PM - KK5.08
Dislocation Climb under Irradiation

Steve Fitzgerald 1

1University of Oxford Oxford United Kingdom

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12:30 PM - KK5.09
Phase Diagram of Nano-Hydride Formation: Consequences for Hydrogen Embrittlement

Gerard Paul Marcelo Leyson 1 Joerg Neugebauer 1 Blazej Grabowski 1

1Max-Planck-Institut famp;#252;r Eisenforschung Damp;#252;sseldorf Germany

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12:45 PM - KK5.10
Modeling of Plastic Properties of Cementite

Nils Garvik 1 Philippe Carrez 1 Patrick Cordier 1

1Universitamp;#233; Lille 1 Villeneuve d'Ascq France

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2013-12-04   Show All Abstracts

Symposium Organizers

Thomas Hochrainer, Universitaet Bremen
Jaafar El-Awady, Johns Hopkins University
Giacomo Po, University of California, Los Angeles
Stefan Sandfeld, Friedrich-Alexander-Universitaet Erlangen-Nuernberg
KK8: Microscale Plasticity
Session Chairs
Daniel Weygand
Wednesday PM, December 04, 2013
Hynes, Level 1, Room 104

2:30 AM - *KK8.01
Inelastic Recovery in Ultra Fine Nanocrystalline Materials

Marisol Koslowski 1 Yuesong Xie 1

1Purdue University West Lafayette USA

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3:00 AM - KK8.02
The Onset of Plasticity in FCC Metals with Point Defects and Associated Stochasticity in Hardness Measurements

David F Bahr 1 Michael R. Maughan 1 Iman Salehinia 2

1Purdue University West Lafayette USA2Washington State University Pullman USA

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3:15 AM - KK8.03
Thermoelastic Coupled Simulation of Nanovoid Cavitation by Dislocation Emission

Mauricio Rene Ponga de la Torre 1 Michael Ortiz 1 Pilar Ariza 2

1California Institute of Technology Pasadena USA2Universidad de Sevilla Sevilla Spain

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3:30 AM - KK8.04
Effect of Dislocation Injection on Flow Stress of Metals in Bulk and Micro-Pillar Form

Ronald Gibala 1

1University of Michigan Ann Arbor USA

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3:45 AM -
BREAK

KK9: Atomic-Scale Plasticity
Session Chairs
Marisol Koslowski
Wednesday PM, December 04, 2013
Hynes, Level 1, Room 104

4:15 AM - KK9.01
Atomic Resolution Electron Tomography for 3D Imaging of Dislocations in Nanoparticles

Chien-Chun Chen 1 2 Chun Zhu 1 2 Edward White 1 2 Chin-Yi Chiu 2 3 Mary Scott 1 2 Brian Regan 1 2 Laurence Marks 4 Yu Huang 2 3 Jianwei Miao 1 2

1University of California, Los Angeles Los Angeles USA2California NanoSystems Institute Los Angeles USA3University of California, Los Angeles Los Angeles USA4Northwestern University Evanston USA

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4:30 AM - KK9.02
Atomistic Simulations of the Nucleation and Slip of Pyramidal Dislocations in HCP Magnesium

Yizhe Tang 1 Jaafar El-Awady 1

1Johns Hopkins University Baltimore USA

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4:45 AM - KK9.03
Molecular Dynamics Study on Cross-Slip Mechanisms of a Screw Dislocation in Magnesium

Hideo Kaburaki 1 Mitsuhiro Itakura 1 Masatake Yamaguchi 1 Tomohito Tsuru 2

1Japan Atomic Energy Agency Tokai amp; Kashiwa Japan2Japan Atomic Energy Agency Tokai Japan

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5:00 AM - KK9.04
Effect of Pressure on the Core Energy of 1/2<110> Screw Dislocations in MgO : Insights from First-Principles Calculations

Philippe Carrez 1 Julien Godet 2 Patrick Cordier 1

1University of Lille 1 Villeneuve d Ascq France2University of Poitiers Futuroscope Chasseneuil France

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5:15 AM - KK9.05
Ab-Initio Modeling of the 2D Energy Landscape of 1/2<111> Screw Dislocations and Consequences for the Deviation from Schmid Law in BCC Transition Metals

Lucile Dezerald 1 Lisa Ventelon 1 Francois Willaime 1 David Rodney 2

1CEA Saclay Gif Sur Yvette France2Grenoble INP Saint Martin d'Hamp;#232;res France

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5:30 AM - KK9.06
Surface Reactions and Superplasticity of Polycrystalline Y2O3 Processed at High Pressure/High Temperature Conditions

Jafar Al-Sharab 1 2 3 Stuart Deutsch 2 Bernard Kear 2 Stephen Tse 3

1New York University of Polytechnic Institute (NYU-Poly) Brooklyn USA2Rutgers University Piscataway USA3Rutgers University Piscataway USA

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KK7: Avalanches, Statistics and Dislocation Patterns
Session Chairs
Anter El-Azab
Michael Zaiser
Wednesday AM, December 04, 2013
Hynes, Level 1, Room 104

9:30 AM - *KK7.01
Stochastic Dislocation Dynamics Revisited

Michael Zaiser 1 2 Stefan Sandfeld 1

1FAU Erlangen-Namp;#252;rnberg Famp;#252;rth Germany2The University of Edinburgh Edinburgh United Kingdom

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10:00 AM - *KK7.02
Mechanics and Dislocation Structures at the Mirco-Scale: A Discrete Dislocation Dynamics Study

Daniel Weygand 1

1Karlsruhe Institute of Technology Karlsruhe Germany

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10:30 AM - KK7.03
Stochastic Dynamics of Dislocations in a Low Stress Zone

Tom Swinburne 1 2 Sergei L Dudarev 2 Steven P Fitzgerald 2 Mark R Gilbert 2 Adrian P Sutton 1

1Imperial College London London United Kingdom2Culham Center for Fusion Energy Didcot United Kingdom

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10:45 AM -
BREAK

11:15 AM - *KK7.04
Dislocation Patterns and the Similitude Principle by 3D Dislocation Dynamics Simulations

Benoit Devincre 1 Riccardo Gatti 1

1CNRS-ONERA Chatillon France

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11:45 AM - *KK7.05
Dislocation Patterns in Deformed Metals: A Theoretician's Perspective on the Experimental Data and Modelling Needs

Anter El-Azab 1

1Purdue University West Lafayette USA

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12:15 PM - KK7.06
Statistical Properties of Strain Bursts in Plastic Deformation

Peter Dusan Ispanovity 1 Lasse Laurson 2 Michael Zaiser 3 Istvan Groma 1 Stefano Zapperi 4 5 Mikko Alava 2

1Eotvos University Budapest Hungary2Aalto University Aalto Finland3University of Erlangen-Nurnberg Furth Germany4CNR-IENI Milano Italy5ISI Foundation Torino Italy

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12:30 PM - KK7.07
Avalanche Statistics of a Dipolar Mat in a Simplified Micro-Structural Environment

Robert Maass 2 Peter M Derlet 1

1Paul Scherrer Institute PSI-Villigien Switzerland2University of Gamp;#246;ttingen Gamp;#246;ttingen Germany

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12:45 PM - KK7.08
Scaling of Stress and Strain Fluctuations in Single Crystal Microplasticity

Olga Kapetanou 1 Michael Zaiser 1 2

1The University of Edinburgh Edinburgh United Kingdom2FAU Erlangen-Namp;#252;rnberg Famp;#252;rth Germany

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2013-12-05   Show All Abstracts

Symposium Organizers

Thomas Hochrainer, Universitaet Bremen
Jaafar El-Awady, Johns Hopkins University
Giacomo Po, University of California, Los Angeles
Stefan Sandfeld, Friedrich-Alexander-Universitaet Erlangen-Nuernberg
KK11: High-Temperature Deformation
Session Chairs
Daniel Gianola
A. Amine Benzerga
Thursday PM, December 05, 2013
Hynes, Level 1, Room 104

2:30 AM - *KK11.01
High-Temperature Discrete Dislocation Plasticity

Amine Benzerga 1 Shyam Keralavarma 2

1Texas Aamp;M University College Station USA2IIT Madras Chennai India

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3:00 AM - KK11.02
Olivine Plasticity in the Earth's Mantle Deformation Conditions Studied By 2.5D Dislocation Dynamics Simulations

Francesca Boioli 1 Benoit Devincre 2 Philippe Carrez 1 Patrick Cordier 1

1University of Lille1 Villeneuve d'Ascq France2CNRS-ONERA Chatillon France

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3:15 AM - KK11.03
Atomic-Scale Study of Dislocation Climb in MgSiO3 Perovskite in the Conditions of Earth's Lower Mantle

Pierre Hirel 1 Antoine Kraych 1 Karine Gouriet 1 Philippe Carrez 1 Patrick Cordier 1

1Univ. Lille 1 Villeneuve d'Ascq France

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3:30 AM -
BREAK

4:00 AM - KK11.04
Temperature and Strain-Rate Dependent Dislocation Nucleation in Pd Nanowhiskers

Daniel S. Gianola 1 Lisa Y Chen 1 Soraya Terrab 1 Gunther Richter 2

1University of Pennsylvania Philadelphia USA2Max-Planck-Institute for Intelligent Systems Stuttgart Germany

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4:15 AM - KK11.05
Elevated Temperature Micro-Plasticity of Indium Antimonide

Jeffrey Martin Wheeler 1 Augustin Morel 1 Alex Montagne 1 Ludovic Thilly 2 Rudy Ghisleni 1 Johann Michler 1

1EMPA - Swiss Federal Laboratories for Materials Science and Technology Thun Switzerland2CNRS-University of Poitiers-ENSMA Futuroscope France

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4:30 AM - KK11.06
Deformation Mechanisms in a Nickel Based Superalloy at High Temperature

Shenyan Huang 1 Shantanu Sane 1 Antoinette Maniatty 2 Monica Soare 1 James Laflen 1

1General Electric Global Research Niskayuna USA2Rensselaer Polytechnic Institute Troy USA

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4:45 AM - KK11.07
Discrete Dislocation Dynamics Study of Creep Anisotropy in Single Crystal Ni Base Superalloys

Seyed Masood Hafez Haghighat 1 Gunther Eggeler 2 Dierk Raabe 1

1Max Planck Institute for Iron Research Dusseldorf Germany2Ruhr University Bochum Bochum Germany

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KK10: Size-Effects
Session Chairs
Gerhard Dehm
Thomas Hochrainer
Thursday AM, December 05, 2013
Hynes, Level 1, Room 104

9:30 AM - *KK10.01
From Idealized Bi-Crystals towards Applied Polycrystals: Plastic Deformation in Small Dimensions

Gerhard Dehm 1 Peter J Imrich 2 Alexander Wimmer 3 Christoph Kirchlechner 1

1MPI-E Duesseldorf Germany2ESI / OEAW Leoben Austria3KAI Villach Austria

Show Abstract

10:00 AM - KK10.02
In-situ Nanoscopic Deformation of Single-Crystalline, Nanocrystalline and Nanotwinned Cu Nanopillars

Shao-Yi Lin 1 Yi-Chung Huang 1 Shou-Yi Chang 1 Ding-Shiang WangChia-Ling Lu 2 Chi Chen 2

1National Chung Hsing University Taichung Taiwan2National Chiao Tung University Hsinchu Taiwan

Show Abstract

10:15 AM - KK10.03
Discrete Dislocation Plasticity in 10 nm Nanowires

Scott X. Mao 1 He Zheng 1 C. Weinberger 2 Jianyu Huang 3

1University of Pittsburgh Pittsburgh USA2Sandia National Lab Albuquerque USA38915 Hampton Ave NE Albuquerque USA

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10:30 AM - *KK10.04
Size-Affected Behavior in Pure Compression of Micron-Sized Metallic Crystal

Satish I Rao 1 Dennis Dimiduk 2 Jaafar El-Awady 3 Michael Uchic 2 Triplicane Parthasarathy 1 Christopher Woodward 2 Ahmed Hussein 3

1UES Inc. Dayton USA2Air Force Research Laboratory WPAFB USA3Johns Hopkins University Baltimore USA

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11:00 AM -
BREAK

11:30 AM - KK10.05
Statistically Modeling Plastic Initiation in Nanodeformation

James Robert Morris 1 2

1Oak Ridge National Laboratory Oak Ridge USA2University of Tennesee Knoxville USA

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11:45 AM - KK10.06
Discrete Dislocation Plasticity Analysis of Contact between a Sinusoidal Metal Surface and a Flat Elastic Platen

Wei Siang Kelvin Ng 1 Lucia Nicola 1

1Delft University Technology Delft Netherlands

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12:00 PM - KK10.07
On the Strength and Dislocation Reactions in Coherent Nanoscale Metallic Laminates

Firas Akasheh 1 Rezaul Karim 1

1Tuskegee University Tuskegee USA

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12:15 PM - KK10.08
On Deformation Mechanisms and Mechanical Properties of Cu Ultra Thin Films: Multiscale Dislocation Dynamics Analyses

Mutasem Shehadeh 1 Mirvat Shamseddine 1

1American University of Beirut Beirut Lebanon

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2013-12-06   Show All Abstracts

Symposium Organizers

Thomas Hochrainer, Universitaet Bremen
Jaafar El-Awady, Johns Hopkins University
Giacomo Po, University of California, Los Angeles
Stefan Sandfeld, Friedrich-Alexander-Universitaet Erlangen-Nuernberg
KK12: Grain Boundaries and Interfaces
Session Chairs
David Srolovitz
Riccardo Gatti
Friday AM, December 06, 2013
Hynes, Level 1, Room 104

9:30 AM - *KK12.01
Incorporation of Grain Boundaries in Dislocation Dynamics

David J Srolovitz 1 2 Siu Sin Jerry Quek 2 Zhaoxuan Wu 2 1 YongWei Zhang 2

1University of Pennsylvania Philadelphia USA2Institute of High Performance Computing Singapore Singapore

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10:00 AM - KK12.02
Shear Stress-Driven Refreshing Capability of Plastic Deformation in Nanolayered Metals

Jia-Wei Yan 1 Guang-Ping Zhang 1

1Institute of Metal Research, CAS Shenyang China

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10:15 AM - KK12.03
Simulation of Plastic Deformation in Cu Poly-Crystalline Micro-Samples Coupling Dislocation Dynamics and Crystal Plasticity

Riccardo Gatti 1 Olivier Jamond 1 2 Arjen Roos 2 Benoit Devincre 1

1LEM UMR 104 CNRS-ONERA Chatillon France2DMSM ONERA Chatillon France

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10:30 AM - KK12.04
A Strain Gradient Crystal Plasticity Model that Accounts for Size Effects by Grain Boundary Resistance

Eric Bayerschen 1 Stephan Wulfinghoff 1 Thomas Boehlke 1

1Karlsruhe Institute of Technology Karlsruhe Germany

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10:45 AM -
BREAK

11:15 AM - KK12.05
A Study of the Grain Boundary Sliding and Its Accommodation Mechanisms in Superplasticity of Magnesium Alloy AZ31

Hesamaldin Askari 1 John Young 2 David Field 1 Hussein Zbib 1

1Washington State University Pullman USA2Washington State University Pullman USA

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11:30 AM - KK12.06
Deformation Mechanisms of sum;5 Asymmetric Tilt Grain Boundaries under Tension and Shear Deformation

Liang Zhang 1 Cheng Lu 1 Kiet Tieu 1 Linqing Pei 1 Xing Zhao 1

1University of Wollongong Wollongong Australia

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11:45 AM - KK12.07
The Effect of Disclinations on Deformation and Fracture in Nanocrystalline Metals

Guoqiang Xu 1 Michael Demkowicz 1

1MIT Cambridge USA

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