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Meeting 2023 TMS Annual Meeting & Exhibition
Symposium Local Ordering in Materials and Its Impacts on Mechanical Behaviors, Radiation Damage, and Corrosion
Sponsorship TMS Structural Materials Division
TMS: Chemistry and Physics of Materials Committee
TMS: Nuclear Materials Committee
TMS: Corrosion and Environmental Effects Committee
Organizer(s) Penghui Cao, University of California, Irvine
Yang Yang, Pennsylvania State University
Fadi Abdeljawad, Clemson University
Irene J. Beyerlein, University of California, Santa Barbara
Enrique J. Lavernia, University of California, Irvine
Robert O. Ritchie, University of California, Berkeley
Scope Local ordering, either chemically or structurally, has received increasing attention in the past few years. In bulk metallic glasses, the short- /medium-range order (SRO/MRO) plays a critical role in the deformation process, such as the formation of shear-band. In simple solid-solution alloys such as Ni-Cr, the degree of SRO has recently been shown to impact the percolation limit in a corrosion process. In multi-principal element alloys such as the high entropy alloys, the chemically SRO could affect the work hardening and radiation resistance. The emergent concept of local ordering presents a new dimension for further tuning the behaviors in structural materials, including mechanical performance, radiation tolerance, and corrosion resistance. However, a fundamental and predictive understanding of the thermodynamics, kinetics, and structure-property relationship is lacking due to local atomic-level disordered features. This symposium focuses on computational and experimental efforts, which promote the development of concepts and methodologies to understand local ordering in materials.

Specific topics include:
- Understanding structural and chemical SRO/MRO in amorphous materials and crystalline alloys via advanced experimental characterization, simulation, and modeling
- The role of SRO/MRO on defect and microstructure evolution at atomistic to microscopic length-scales
- Non-equilibrium dynamics and kinetics under extreme driving conditions, including high strain rate, high/cryogenic temperature, radiation, and corrosion
- Experimental characterizations and in-situ techniques, including S/TEM, 4D STEM, SEM, in situ TEM, X-Ray,
- Simulation and modeling algorithms, including first-principles methods, atomistic simulation, kinetic Monte Carlo, machine learning

Abstracts Due 07/01/2022
Proceedings Plan Undecided
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