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Thin Film and Small Scale Mechanical Behavior
Gordon Research Conference

Scientific Insights from Small-Scale Mechanical Behavior: From Nano-Materials to Nano-Mediated Bulk Response

Dates

July 24-29, 2016

Location

Bates College
Lewiston, ME

Organizers

Chair:
Erica T. Lilleodden

Vice Chair:
Andrew J. Bushby

Meeting Description

The 2016 Gordon Conference on "Thin Film and Small Scale Mechanical Behavior" will provide a collegial forum for engaged discussions on state-of-the-art topics in the area of mechanical behavior at small length-scales. Experimentalists and modelers together will be able to discuss and debate critical issues regarding experimental observations, computational approaches and constitutive modeling of micromechanical behavior in a wide range of materials, from ultra high-strength solids to soft matter. We aim to advance a fundamental understanding of how the interplay between sample size and microstructural content (e.g., defects, interfaces and free surfaces) influence deformation, damage and failure mechanisms in small volumes. The novel properties and size effects that arise from these changes have important implications for performance and reliability of materials in modern and emerging technologies. Furthermore, the overwhelming observation that the behavior of materials in small volumes often significantly differs from their bulk counterparts requires a critical understanding of the associated measurement itself. We will examine novel mechanical test methodologies, in situ measurements, as well as recent progress in computational methods and constitutive modeling. We will explore how coupling micro-mechanical measurements to other characterization techniques at equivalent length-scales allows a more comprehensive picture of mechanical behavior of materials. Furthermore, by recognizing that the mechanical response of bulk materials is mediated by mechanisms and microstructures at the nanometer- and micron-length-scales, we also emphasize the importance of bridging small scale observations to macro-scale predictions.

Related Meeting

This GRC was held in conjunction with the "Thin Film and Small Scale Mechanical Behavior" Gordon Research Seminar (GRS). Refer to the associated GRS program page for more information.

Contributors

Final Meeting Program

Sunday
2:00 pm - 9:00 pmArrival and Check-in
6:00 pmDinner
7:30 pm - 7:40 pmWelcome / Introductory Comments by GRC Site Staff
7:40 pm - 9:30 pmAdvances in Indentation Testing
Discussion Leader: Megan Cordill (Erich Schmid Institute of Materials Science, Austria)
7:40 pm - 8:20 pmErik Herbert (Michigan Technological University, USA)
"Dynamic Nanoindentation: State-of-the-Art Experimental Methods"
8:20 pm - 8:35 pmDiscussion
8:35 pm - 9:15 pmJodie Bradby (The Australian National University, Australia)
"Low Temperature Nanoindentation of Si and Ge"
9:15 pm - 9:30 pmDiscussion
Monday
7:30 am - 8:30 amBreakfast
8:30 amGroup Photo
9:00 am - 12:30 pmAdvances in In Situ Microscopy
Discussion Leader: Gerhard Dehm (Max Planck Institute for Iron Research, Germany)
9:00 am - 9:40 amMarc Legros (Centre d'Elaboration de Matériaux et d'Etudes Structurales (CEMES), CNRS, France)
"Grain Boundary Based Plasticity"
9:40 am - 10:00 amDiscussion
10:00 am - 10:30 amCoffee Break
10:30 am - 11:10 amGeoff Campbell (Lawrence Livermore National Laboratory, USA)
"In Situ Observations of Mechanical Response in the Dynamic Transmission Electron Microscope"
11:10 am - 11:30 amDiscussion
11:30 am - 12:10 pmJuergen Markmann (Helmholtz-Zentrum Geesthacht, Germany)
"Virtual Diffraction as a Tool to Investigate Nanostructured Materials"
12:10 pm - 12:30 pmDiscussion
12:30 pmLunch
1:30 pm - 4:00 pmFree Time
3:00 pm - 4:00 pmPower Hour
The GRC Power Hour is an optional informal gathering open to all meeting participants. It is designed to help address the challenges women face in science and support the professional growth of women in our communities by providing an open forum for discussion and mentoring.
Organizer: Megan Cordill (Erich Schmid Institute of Materials Science, Austria)
4:00 pm - 6:00 pmPoster Session
6:00 pmDinner
7:30 pm - 9:30 pmMechanics of Ultra Thin Films
Discussion Leader: Graham Cross (Trinity College Dublin, Ireland)
7:30 pm - 8:10 pmJoseph Paulsen (Syracuse University, USA)
"Optimal Coverage of Liquid Interfaces with Thin Polymer Sheets"
8:10 pm - 8:30 pmDiscussion
8:30 pm - 9:10 pmItai Cohen (Cornell University, USA)
"Q: How Many Folded Angels Can We Fit on the Head of Pin? A: 22+/-5"
9:10 pm - 9:30 pmDiscussion
Tuesday
7:30 am - 8:30 amBreakfast
9:00 am - 12:30 pmMicromechanics of Fracture and Failure at Interfaces
Discussion Leader: Robert Cook (National Institute of Standards and Technology, USA)
9:00 am - 9:40 amErik Bitzek (Friedrich-Alexander-Universität Erlangen-Nürnberg, Germany)
"Atomistic Aspects of Fracture"
9:40 am - 10:00 amDiscussion
10:00 am - 10:30 amCoffee Break
10:30 am - 11:10 amIgor Zlotnikov (B CUBE - Center for Molecular Bioengineering, TU Dresden, Germany)
"Elucidating the Role of Interfaces in Fracture Resistance of Biocomposites"
11:10 am - 11:30 amDiscussion
11:30 am - 12:10 pmRobert Ritchie (University of California, Berkeley, USA)
"Toughness and Strength at the Nanoscale"
12:10 pm - 12:30 pmDiscussion
12:30 pmLunch
1:30 pm - 4:00 pmFree Time
4:00 pm - 6:00 pmPoster Session
6:00 pmDinner
7:30 pm - 9:30 pmAdvances in Micromechanics of Functional Materials
Discussion Leader: David Bahr (Purdue University, USA)
7:30 pm - 8:10 pmPradeep Sharma (University of Houston, USA)
"Coupling of Electromagnetism and Mechanics in Soft Materials"
8:10 pm - 8:30 pmDiscussion
8:30 pm - 9:10 pmNazanin Bassiri-Gharb (Georgia Institute of Technology, USA)
"From Bulk Single Crystals to Thin Films: Enhancing the Electromechanical Response of Ferroelectrics"
9:10 pm - 9:30 pmDiscussion
Wednesday
7:30 am - 8:30 amBreakfast
9:00 am - 12:30 pmSize Effects in Collective Dislocation Plasticity
Discussion Leader: Dennis Dimiduk (BlueQuartz Software, LLC, USA)
9:00 am - 9:40 amJerome Weiss (Université Grenoble Alpes / CNRS, France)
"The Nature of Plastic Fluctuations and Related Size Effects"
9:40 am - 10:00 amDiscussion
10:00 am - 10:30 amCoffee Break
10:30 am - 11:10 amKarin Dahmen (University of Illinois at Urbana-Champaign, USA)
"Universal Slip Statistics: From Nanocrystals to Earthquakes"
11:10 am - 11:30 amDiscussion
11:30 am - 12:10 pmStefan Sandfeld (Friedrich-Alexander-Universität Erlangen-Nürnberg, Germany)
"A Universal Language for Dislocation Microstructure: Bridging Experiment and Simulation"
12:10 pm - 12:30 pmDiscussion
12:30 pmLunch
1:30 pm - 4:00 pmFree Time
4:00 pm - 6:00 pmPoster Session
6:00 pmDinner
7:00 pm - 7:30 pmBusiness Meeting
Nominations for the Next Vice Chair; Fill in Conference Evaluation Forms; Discuss Future Site and Scheduling Preferences; Election of the Next Vice Chair
7:30 pm - 9:30 pmSize Effects in Slip and Twinning
Discussion Leader: Jon Molina-Aldareguia (IMDEA Materials Institute, Spain)
7:30 pm - 8:10 pmJaafar El-Awady (Johns Hopkins University, USA)
"Unraveling the Competition Between Slip and Twinning in Magnesium Microcrystals"
8:10 pm - 8:30 pmDiscussion
8:30 pm - 9:10 pmIrene Beyerlein (University of California, Santa Barbara, USA)
"Insights on Slip Transmission Across Bimetal Interfaces from Mesoscale Modeling"
9:10 pm - 9:30 pmDiscussion
Thursday
7:30 am - 8:30 amBreakfast
9:00 am - 12:30 pmScaling Up: "Small" for the Sake of "Big"
Discussion Leader: Kevin Hemker (Johns Hopkins University, USA)
9:00 am - 9:40 amDierk Raabe (Max Planck Institute for Iron Research, Germany)
"Small-Scale Chemo-Mechanics at Lattice Defects: from Basic Mechanisms to Bulk Alloy Design"
9:40 am - 10:00 amDiscussion
10:00 am - 10:30 amCoffee Break
10:30 am - 11:10 amPaul Shade (Air Force Research Laboratory, USA)
"Quantifying the Response of Polycrystals from Microscale Observations"
11:10 am - 11:30 amDiscussion
11:30 am - 12:10 pmTresa Pollock (University of California, Santa Barbara, USA)
"Thermomechanical Behavior of Bulk Multilayered Systems"
12:10 pm - 12:30 pmDiscussion
12:30 pmLunch
1:30 pm - 4:00 pmFree Time
4:00 pm - 6:00 pmPoster Session
6:00 pmDinner
7:30 pm - 9:30 pmKeynote Session: Micromechanics for Evolutionary Insight into Dinosaurs
Discussion Leader: Erica Lilleodden (Helmholtz-Zentrum Geesthacht, Germany)
7:30 pm - 7:40 pmIntroduction by Discussion Leader
7:40 pm - 8:40 pmGreg Erickson (Florida State University, USA)
"Paleo-Tribology: Development of Wear Measurement Techniques and a 3D Model Revealing How Dinosaur Dentitions Self-Wore to Enable Functionality"
8:40 pm - 9:00 pmDiscussion
9:00 pm - 9:20 pmGeneral Discussion
9:20 pm - 9:30 pmClosing Remarks
Friday
7:30 am - 8:30 amBreakfast
9:00 amDeparture
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