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2009 MRS Fall Meeting & Exhibit

November 30 - December 4, 2009 | Boston
Meeting Chairs
: Kristi Anseth, Li-Chyong Chen, Peter Gumbsch, Ji-Cheng Zhao

Symposium FF : Mechanical Behavior of Nanomaterials--Experiments and Modeling

2009-11-30   Show All Abstracts

Symposium Organizers

Jun Lou Rice University
Brad Boyce Sandia National Laboratories
Erica Lilleodden GKSS Forschungszentrum
Lei Lu Chinese Academy of Sciences
FF1: Fracture and Fatigue of Nanomaterials
Session Chairs
David Bahr
Jun Lou
Monday PM, November 30, 2009
Room 304 (Hynes)

9:30 AM - **FF1.1
In-situ Nanomechanics of the Brittle to Ductile Transition.

William Gerberich 1 , Aaron Beaber 1 , Julia Nowak 2 , Lucas Hale 1 , Yuye Tang 3 , Roberto Ballarini 3 , Fredrik Oestlund 4 , Johann Michler 4
1 Chem. Engng. Mat. Sci., U. of Minnesota, Minneapolis, Minnesota, United States, 2 , Hysitron, Inc., Minneapolis, Minnesota, United States, 3 Civil Engng., U. of Minnesota, Minneapolis, Minnesota, United States, 4 Mechanics of Materials and Nanostructures, EMPA, Swiss Federal Laboratory for Materials, Thun Switzerland

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10:00 AM - FF1.2
Brittle and Ductile Fracture of Gold nanowires: A Quantitative In Situ Transmission Electron Microscopy Study.

Yang Lu 1 , Jianyu Huang 2 , Jun Lou 1
1 Mechanical Engineering and Materials Science, Rice University, Houston, Texas, United States, 2 Center for Integrated Nanotechnologies (CINT) , Sandia National Laboratories, Albuquerque, New Mexico, United States

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10:15 AM - FF1.3
Saccharine Effects on Mechanical Behavior of Electrodeposited Ni Thin Films.

Sumit Soni 1 2 , Sean Hearne 2 , Brian Sheldon 1
1 Division of Engineering, Brown University, Providence, Rhode Island, United States, 2 Center for Integrated Nano-Technologies, Sandia National Laboratories, Albuquerque, New Mexico, United States

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10:30 AM - FF1.4
Water Diffusion and Fracture Behavior in Nano-porous low-k Dielectric Film Stacks.

Han Li 1 , Joost Vlassak 1
1 SEAS, Harvard University, Cambridge, Massachusetts, United States

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10:45 AM - FF1.5
An In-situ Electron Microscopy Study of Crack Growth in Nanocrystalline Copper and Copper-Chromium Composite Thin Films.

Seong-Woong Kim 1 , Sharvan Kumar 1
1 Division of Engineering, Brown University, Providence, Rhode Island, United States

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11:00 AM - *
Break

11:30 AM - **FF1.6
Interaction of Materials Defects with External Length Scales – from Simple to Complex Geometries.

Ralph Spolenak 1
1 Department of Materials, Laboratory for Nanometallurgy, ETH Zurich, Zurich Switzerland

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12:00 PM - FF1.7
In-situ Thermal and Lattice-strain Evolution of the Nano-particle-strengthened Alloys Subjected to Low-cycle-fatigue Experiments.

E-Wen Huang 1 , Peter Liaw 1 , Kyle Woods 1 , John Strange 1
1 Materials Science and Engineering, The University of Tennessee, Knoxville, Tennessee, United States

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12:15 PM - FF1.8
Fatigue Enhancement in Nanocrystalline Metals via Grain-Boundary Stabilization.

Henry Padilla 1 , Brad Boyce 1 , Elizabeth Holm 1
1 , Sandia National Laboratories, Albuquerque, New Mexico, United States

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12:30 PM - FF1.9
Wear Properties and Surface Hardness Evolution in Nano-twinned Copper Subjected to Repeated Contact Sliding.

Aparna Singh 1 , Ming Dao 1 , Lei Lu 2 , Subra Suresh 1
1 Materials Science and Engineering, MIT, Cambridge, Massachusetts, United States, 2 , Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, Shenyang China

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12:45 PM - FF1.10
Detwinning and Crack Initiation in Fatigued Highly-Aligned Nano-twinned Copper.

Carla Shute 1 , Benjamin Myers 1 , Sujing Xie 1 , Andrea Hodge 2 , Troy Barbee 3 , Julia Weertman 1
1 Materials Science and Engineering, Northwestern University, Evanston, Illinois, United States, 2 Aerospace and Mechanical Engineering, University of Southern California, Los Angeles, California, United States, 3 , Lawrence Livermore National Laboratory, Livermore, California, United States

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FF2: Modeling & Simulation of Mechanical Behavior of Nanomaterials
Session Chairs
Erica Lilleodden
Amit Misra
Monday PM, November 30, 2009
Room 304 (Hynes)

2:30 PM - **FF2.1
Multi-scale Modeling of Crack Growth in Ductile Metals.

Alan Needleman 1 , Mathias Wallin 2 , William Curtin 3 , Matti Ristinmaa 2
1 Materials Science and Engineering, University of North Texas, Denton, Texas, United States, 2 Division of Solid Mechanics, Lund University, Lund Sweden, 3 Division of Engineering, Brown University, Providence, Rhode Island, United States

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3:00 PM - FF2.2
Hydrogen Assisted Crack Propagation in Aluminum: An Atomistic Study.

Donald Ward 1 , K. Solanki 1
1 Center for Adavanced Vehicular Systems, Mississippi State University, Starkville, Mississippi, United States

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3:15 PM - FF2.3
Multiscale Materials Modeling Using Coupled Density Functional Theory and Discrete Dislocation Mechanics.

Arun Nair 1 , Derek Warner 1 , Richard Henning 2
1 Civil and Environmental Engineering, Cornell University, Ithaca, New York, United States, 2 Material Science and Engineering, Cornell University, Ithaca, New York, United States

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3:30 PM - FF2.4
Dislocation Source Strengths and Internal Stress in Nanocrystalline Metals: Predictions from a Fitted Quantized Crystal Plasticity Model.

Peter Anderson 1 , Lin Li 1 , Steven Van Petegem 2 , Helena Van Swygenhoven 2
1 , The Ohio State University, Columbus, Ohio, United States, 2 Materaisl Science and Simulation, Paul Scherrer Institut, Villigen Switzerland

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3:45 PM - FF2.5
A Molecular Dynamics Study of Dislocation Propagation in Nanocrystalline Al containing Oxygen.

Andreas Elsener 1 , Olivier Politano 2 , Peter Derlet 3 , Helena Van Swygenhoven 1
1 NUM/ASQ, PSI, Villigen Switzerland, 2 Institut Carnot de Bourgogne, CNRS-Universite de Bourgogne, Dijon Cedex France, 3 NUM/CMT, PSI, Villigen Switzerland

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4:00 PM - *
Break

4:30 PM - FF2.6
Mechanism for Material Transfer in Nanoscale Asperity Contact.

Jun Song 1 , David Srolovitz 2
1 Division of Engineering, Brown University, Providence, Rhode Island, United States, 2 Department of Physics, Yeshiva University, New York, New York, United States

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