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

Show Abstract

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

Show Abstract

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

Show Abstract

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

Show Abstract

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

Show Abstract

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

Show Abstract

Ill Ryu 1 Huajian Gao 1

1Brown University Providence USA

Show Abstract

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

Show Abstract

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

Show Abstract

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

Show Abstract

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

Show Abstract

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

Show Abstract

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

Show Abstract

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

Show Abstract

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

Show Abstract

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

Show Abstract

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

Zhe Leng 1 David P. Field 1

1Washington State University Pullman USA

Show Abstract

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

Show Abstract

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

Show Abstract

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

Show Abstract

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

Show Abstract

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

Show Abstract

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

Show Abstract

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

Show Abstract

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

Thomas Hochrainer 1

1Universitaet Bremen Bremen Germany

Show Abstract

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

Show Abstract

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

Show Abstract

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

Show Abstract

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

Show Abstract

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

Show Abstract

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

Show Abstract

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

Show Abstract

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

Show Abstract

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

Show Abstract

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

Show Abstract

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

Show Abstract

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

Show Abstract

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

Steve Fitzgerald 1

1University of Oxford Oxford United Kingdom

Show Abstract