Microscale and Microstructural Effects on Mechanical Behavior

Deformation of solids and structures often involve heterogeneities that govern mechanical behavior, including strength, ductility, toughness, and ultimately failure. These heterogeneities are due to the microstructure of the solid, microscale variations, and deviations of local strength. Over the past decade, the application of advanced tools for the interrogation of materials and structures at the micron size scale is revolutionizing mechanics. We are now able to measure and simulate the mechanical behavior of structures with high accuracy and fidelity, specifically with an emphasis on determining the role of microstructure in the mechanical behavior of materials. This symposium features new discoveries and advances in the fields of mechanics of solids and materials, with an emphasis to bring together leading research scientists and engineers to present their work and foster new ideas about developing the state-of-the-art experimental tools and modeling approaches. Topics include but are not limited to the following:

Characterization of heterogeneous strains
Role of interfaces and grain boundaries in mechanical behavior
Determining structure-property relationships
Characterizing heterogeneous deformations
Microstructure-based failure mechanisms (fatigue, damage, fracture, creep, etc.)
Meso-scale modeling and in situ experimentation

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Schedule
	3D bulk grain evolution in polycrystalline Cu:comparison between HEDM observation and FFT based crystal plasticity simulations Reeju Pokharel, Los Alamos National Lab
	A microstructurally informed dynamic ductile failure model Justin Wilkerson, Johns Hopkins University, United States KT Ramesh, Johns Hopkins University, United States
	A multiscale analysis of deformation mechanisms near grain boundaries Jennifer Carter, Case Western Reserve University Michael Mills, The Ohio State University, United States
	A study of stress gradients in a titanium alloy Kamalika Chatterjee, University of Illinois at Urbana-Champaign, United States Armand Beaudoin, University of Illinois at Urbana-Champaign, United States Jonathan Lind, Lawrence Livermore National Laboratory, United States Robert M. Suter, Carnegie Mellon University, United States Peter Kenesei, Argonne National Laboratory, United States Jun-Sang Park, Argonne National Laboratory, United States
	A yield criterion for porous single crystals based on limit analysis Renald Brenner, Université Pierre et Marie Curie
	Accurate reduced-order models for structures and materials undergoing large 3D deformations and rotations Hui Liu, Purdue University, United States Arun Prakash, Purdue University, United States
	Atomic-scale investigation of deformation mechanisms in Mg alloys Maryam Ghazisaeidi, Ohio State University
	Atomistic investigation of grain boundary triple junctions energetic in face centered cubic materials Ilaksh Adlakha, Arizona State University
	CDM modeling for corrosion–fatigue life prediction of aluminum alloys Mehdi Amiri, Technical Data Analysis Inc.
	Characterization of grain boundary deformation processes in commercial purity titanium using nanoindentation and crystal plasticity modeling Yang Su, Michigan State University, United States Thomas Bieler, Michigan State University, United States Philip Eisenlohr, Michigan State University, United States Martin Crimp, Michigan State University, United States Claudio Zambaldi, Max-Planck-Institut für Eisenforschung GmbH, Germany David Mercier, Max-Planck-Institut für Eisenforschung GmbH, Germany
	Characterization of microstructural effects on small fatigue crack growth mechanisms in Ti-6242S Jason Geathers, University of Michigan, United States J Wayne Jones, University of Michigan, United States Samantha Daly, University of Michigan, United States
	Comparing the predictions of a non-Schmid crystal plasticity model with phenomenological hardening and dislocation density hardening rules for superconducting cavities used in particle accelerators Aboozar Mapar, Michigan State University, United States Thomas Bieler, Michigan State University, United States Farhang Pourboghrat, Michigan State University, United States
	Computing third-order models of effective material behavior for polydisperse particulate composites using well-resolved higher order statistical descriptors Andrew Gillman, University of Notre Dame, United States Karel Matouš, University of Notre Dame, United States
	Consideration of different hardening mechanisms in a higher-order crystal plasticity theory Eduardo Bittencourt, Universidade Federal do Rio Grande do Sul Prabhat Agnihotri, Indian Institute of Technology, United States
	Damage evolution assessment and modeling for CBN grinding wheel wear Tianyu Yu, Iowa State University, United States Ashraf F. Bastawros, Iowa State University, United States Abhijit Chandra, Iowa State University, United States
	Damage-growth-induced evolution of contact resistance of a RF MEMS switch Yu-Chiao Wu, Purdue University, United States Wei Yang, Purdue University, United States Dimitrios Peroulis, Purdue University, United States
	Defects nucleation and its relation to internal stress in nanocrystalline materials Mo Li, Georgia Institute of Technology
	Deformation induced grain rotations in single crystal tantalum Jay Carroll, Sandia National Laboratories, United States Hojun Lim, Sandia National Laboratories, United States Mark Rodriguez, Sandia National Laboratories, United States Corbett Battaile, Sandia National Laboratories, United States Brad Boyce, Sandia National Laboratories, United States Thomas Buchheit, Sandia National Laboratories, United States
	Dielectric elastomer composites: the critical role of interphasial phenomena Oscar Lopez-Pamies, Illinois
	Direct measurement of the role of confinement and chemistry on local physical and mechanical properties of polymers Min Zhang, Northwestern University, United States Shadid Askar, Northwestern University, United States
	Dislocation processes accompanying the Portevin-Le Chatelier effect in Al–Mg alloys Josh Kacher, UC Berkeley, United States Andrew Minor, UC Berkeley, United States Raja Mishra, General Motors Research and Development, United States
	Dynamic mechanical response and microstructural effects in commercially hot-pressed boron carbide under different loading rates and stress states Lukasz Farbaniec, Johns Hopkins University, United States Matthew Shaeffer, Johns Hopkins University, United States K T Ramesh, Johns Hopkins University, United States
	EBSD characterization of deformation in high strain rate application aluminum alloys Thomas Kozmel, Illinois Institute of Technology, United States Murat Vural, Illinois Institute of Technology, United States Sammy Tin, Illinois Institute of Technology, United States
	Effect of aluminization on ignition sensitivity of PBX Seokpum Kim, Georgia Institute of Technology, United States Min Zhou, Georgia Institute of Technology, United States Yasuyuki Horie, Air Force Research Lab, United States
	Effects of grain size on the martensitic phase transformation of nanocrystalline Ni/Al shape memory alloys Keith Morrison, Purdue University, United States Mathew Cherukara, Purdue University, United States Hojin Kim, Purdue University, United States Alejandro Strachan, Purdue University, United States
	Elastic strain engineering of charge and thermal transport in semiconductor nanostructures: the role of heterogeneity Daniel Gianola, University of Pennsylvania
	Elucidating the entropic interaction between fluctuating twin boundaries Dengke Chen, University of Houston, United States Yashashree Kulkarni, University of Houston, United States
	Evolution of local mechanical behavior during high strain rate deformation of tantalum Shraddha Vachhani, Los Alamos National Laboratory, United States Nathan Mara, Los Alamos National Laboratory, United States Veronica Livescu, Los Alamos National Laboratory, United States Ellen Cerreta, Los Alamos National Laboratory, United States
	Fracture in aluminum alloys for aerospace application Armand Beaudoin, University of Illinois at Urbana-Champaign, United States Mark Messner, University of Illinois at Urbana-Champaign, United States Robert Dodds, University of Illinois at Urbana-Champaign, United States
	Heterogeneous deformation in H-Ti alloys at the microscale Zhe Chen, University of Michigan, United States John Allison, University of Michigan, United States Samantha Daly, University of Michigan, United States
	High energy diffraction microscopy studies of fatigue and failure in superalloys Robert Suter, Carnegie Mellon University
	In-situ deformation characterization of Nd-containing Mg alloys Carl Boehlert, Michigan State University
	Influence of microstructure variability on short crack growth behavior Andrea Rovinelli, Purdue University, United States Michael D. Sangid, Purdue University, United States Ricardo A. Lebensohn, Los Alamos National Laboratory, United States
	Interfaces, inclusions, and impurities in nanolaminate metallic structures David Bahr, Purdue University
	Investigating the micromechanics of polycrystalline materials using high-energy X-ray diffraction Jun-Sang Park, Argonne National Laboratory
	Investigation of material deformation mechanisms during high-rate loading via simultaneous X-ray diffraction and phase contrast imaging Matthew Hudspeth, Purdue University
	Investigation of strength limiting mechanisms in aramid fibers Korhan Sahin, University of Illinois at Urbana – Champaign, United States Jan K. Clawson, University of Illinois at Urbana – Champaign, United States Ioannis Chasiotis, University of Illinois at Urbana – Champaign, United States Suzanne Horner, United States Army, United States James Zheng, United States Army, United States Assimina Pelegri, Rutgers the State University of New Jersey, United States
	Lattice strain evolution in polycrystalline materials and comparison to advanced diffraction measurements Chao Pu, University of Tennessee
	Local elastic strain and strain tensor measurements of deformed metals using focused, submicrometer Xrays Lyle Levine, National Institute of Standards and Technology, United States Chukwudi Okoro, National Institute of Standards and Technology, United States I-Fang Lee, University of Southern California, United States Thien Phan, University of Southern California, United States Michael Kassner, University of Southern California, United States Ruqing Xu, Argonne National Laboratory, United States Jon Tischler, Argonne National Laboratory, United States Wenjun Liu, Argonne National Laboratory, United States
	MD simulation of PE-CNT nanocomposite Yae Ji Kim, Purdue University, United States Alejandro Strachan, Purdue University, United States
	Measurements and simulations of grain-scale deformation in tantalum multicrystals Corbett Battaile, Sandia National Laboratories, United States Hojun Lim, Sandia National Laboratories, United States Jay Carroll, Sandia National Laboratories, United States
	Mechanical behavior of monolayer molybdenum disulphide (MoS2) with point defects and grain boundaries Khanh Dang, University of Arkansas, United States Douglas Spearot, University of Arkansas, United States
	Mechanical response of self-ion irradiated, single crystal, FCC micropillars K. Hattar, Sandia National Laboratories X. Zhao, University of Pennsylvania, United States M.R. He, University of Pennsylvania, United States D.S. Gianola, University of Pennsylvania, United States J.A. Sharon, Sandia National Laboratories, United States B.L. Boyce, Sandia National Laboratories, United States L.N. Brewer, Naval Postgraduate School, United States
	Microscale elastic properties of interphases in polymer matrix composites: correlating spatial mapping with cure history John Kieffer, University of Michigan, United States Michael Aldridge, University of Michigan, United States Katherine Sebeck, University of Michigan, United States
	Microstructural variables that affect the fatigue crack initiation location in a nickel-base superalloy at 800°C Amit Shyam, Oak Ridge National Laboratory, United States Shibayan Roy, Oak Ridge National Laboratory, United States Sebastien Dryepondt, Oak Ridge National Laboratory, United States Phil Maziasz, Oak Ridge National Laboratory, United States
	Modeling structure property relationships using finite elements and high energy X-rays Matthew Miller, Cornell University
	Modeling the interface formation and morphology within Cu/Nb layered composites by accumulated roll bonding Curt Bronkhorst, Los Alamos National Laboratory
	Multiscale computational framework for simulation of cellular solids Xiaowo Wang, Purdue University, United States Arun Prakash, Purdue University, United States
	Nano-scale mechanical properties testing on polymer thin films via AFM indentation Xu Cheng, Northwestern University
	Nondestructive determination of subsurface grain morphology Philip Eisenlohr, Michigan State University, United States Chen Zhang, Michigan State University, United States Yang Su, Michigan State University, United States Bret Dunlap, Michigan State University, United States Thomas R. Bieler, Michigan State University, United States Wenjun Liu, Argonne National Laboratory, United States Ruqing Xu, Argonne National Laboratory, United States
	Numerical analysis of yield properties of closed-cell aluminum foam under multiaxial loads by 3D voronoi model Xiaoyang Zhang, South China University of Technology, China Liqun Tang, South China University of Technology, China Yiping Liu, South China University of Technology, China Xuepeng Shi, South China University of Technology, China Zejia Liu, South China University of Technology, China Zhenyu Jiang, South China University of Technology, China
	Observations of stress-coupled grain boundary migration in nanocrystalline thin films Kevin Hemker, Johns Hopkins University, United States Paul Rottmann, Johns Hopkins University, United States Suman Dasgupta, Johns Hopkins University, United States
	Phase strength effects on forced chemical mixing during severe plastic deformation Zachary Cordero, MIT, United States Christopher Schuh, MIT, United States
	Predictive microstructural evolution via localized strain dependence measurements using correlated precession diffraction and In situ TEM Mitra Taheri, Drexel University
	Stability of the two-phase microstructure of shocked zirconium Don Brown, Los Alamos National Lab
	Strategic characterization of crack path propagation in brittle structural materials Jessica Krogstad, University of Illinois, Urbana-Champaign
	Strengthening mechanisms in low carbon martensitic steels Kip Findley, Colorado School of Mines
	Study of slip in high purity single crystal niobium for accelerator cavities Di Kang, Michigan State University, United States Derek Baars, Michigan State University, United States Thomas Bieler, Michigan State University, United States Chris Compton, Michigan State University, United States
	Studying slip system activity in deforming single crystals using high-energy X-ray diffraction Darren Pagan, Cornell University, United States Matthew Miller, Cornell University, United States
	The impact resistance of auxetic double arrowhead honeycombs J. X. Qiao, Tsinghua University, China Changqing Chen, Tsinghua University, China
	Tools for linking modeling and experiments to enable materials design at the mesoscale anthony rollett, carnegie mellon univ.
	Twinning and the mechanical behavior of magnesium alloys at very high strain rates Vignesh Kannan, Johns Hopkins University, United States K T Ramesh, Johns Hopkins University, United States
	Ultrahard materials through surface heat treatment Ammar Melaibari, Iowa State University, United States Zhuoru Wu, Iowa State University, United States Pranav Shrotriya, Iowa State University, United States Jingnan Zhao, Iowa State University, United States
	Understanding material variability and the accuracy of homogenization theory in polycrystalline materials through direct numerical simulations Joseph Bishop, Sandia National Laboratories
	Unique deformation mechanisms of an ultra-high strength NiTiHf alloy Aaron Stebner, Colorado School of Mines Levente Balogh, Queens University, Canada Qian Yu, University of California, Berkeley, United States Andrew Minor, University of California, Berkeley, United States Alan Pelton, G. Rau, Inc., United States Ronald Noebe, NASA Glenn Research Center, United States

Society of Engineering Science 51st Annual Technical Meeting

Microscale and Microstructural Effects on Mechanical Behavior

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