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Meeting Materials Science & Technology 2020
Symposium Interfaces and Phase Transformations
Sponsorship TMS Phase Transformations Committee
Organizer(s) Arun Devaraj, Pacific Northwest National Laboratory
Matthias Militzer, University of British Columbia
Matthew Alan Steiner, University of Cincinnati
Mohsen Asle Zaeem, Colorado School of Mines
Yufeng Zheng, University of North Texas
Scope Interfaces in materials can result from phase transformations or also act as initiation sites for phase transformations. Creation or elimination of interfaces in materials impacts the overall system’s free energy, which in turn critically influences the thermodynamics and kinetics of phase transformations. Understanding of evolving interfaces becomes very crucial during thermomechanical processing or while use of materials in various applications involving exposure to external environments such as heat, irradiation or corrosion. With the advancement in high resolution electron microscopy methods, atom probe tomography and X-ray based characterization methods, we are continuously attaining improved understanding of structure, composition and chemical state changes across variety of interfaces in materials and how they change with phase transformations. Improvement in computational methods from atomic scale to mesoscale is also enabling mechanistic analysis of interfaces and phase transformations in materials. Through such new experimental and computational developments, novel insights are being developed about the atomic scale mechanisms of phase transformations as well as how they lead to either formation or elimination of various interfaces in materials.

This symposium invites papers related to the latest developments in experimental and computational studies, focused on how interfaces can trigger phase transformation or how new interfaces are created during phase transformation in materials. We are particularly interested in their interrelationship when the material is subjected to extreme environments of temperature, pressure, mechanical deformation, irradiation, corrosion and coupled environments.

Abstracts Due 05/31/2020

A Phase Field Dislocation Dynamics Model in Heterogeneous Crystalline Media
Computing the Free Energy and Mobility of Cylindrical Interfaces
Localized Phase Transformation at Interfaces – A New Alloy Design Strategy
Microstructure and Mechanical Properties of Pre-aged Thermo-Mechanically Processed NiTiHf Shape Memory Alloy
Phase Transformations in High-Temperature Industrial Applications: An Experimental and Computational Study of Nitridation in Commercial Austenitic Stainless Steel
Refining Alpha Microstructure via Dual-phase Interface and Twin Boundary in Beta Titanium Alloys
Shear-mediated Interfacial Structure Evolution in Nanoscale FCC Gold
Study of Strain Rate and Temperature Dependent Behavior of Pseudo-morphic bcc Mg within the Mg/Nb Nanocomposites

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