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Meeting 2018 TMS Annual Meeting & Exhibition
Symposium Coupling Advanced Characterization and Modeling Tools for Understanding Fundamental Phase Transformation Mechanisms: An MPMD Symposium in Honor of Hamish Fraser
Presentation Title Coupled Characterization and Modeling of the Crystallography of Phase Transformations
Author(s) Eric J Payton, Stephen Niezgoda, Adam Pilchak, Gert Nolze, Victoria Yardley
On-Site Speaker (Planned) Eric J Payton
Abstract Scope While the orientation relationship (OR) crystallography in many alloys is often described by analogy to well-known “named” relationships (for example, Kurdjumov-Sachs or Burgers), observed ORs are usually irrational and exhibit some scatter. In this talk, we will present novel analysis techniques for electron backscatter diffraction data, enabling characterization of the real, irrational ORs and their scatter, along with comparisons of the experimentally measured relationships to those predicted by the phenomenological theory of martensitic transformations. Results will be discussed in the context of both the adherence of the OR to constraints imposed by the phenomenological model and the implications on the fundamental phase transformations mechanisms. Prospects and limitations of using this information in reconstruction of microstructures that existed prior to transformations in steels and titanium alloys will be presented.
Proceedings Inclusion? Planned: Supplemental Proceedings volume

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Advanced Characterization and Modeling Tools in the Context of Corrosion
Advances in TiAl- based Alloys
Applications of Ordering Tie Lines to Represent ALCHEMI Data in Intermetallic Compounds and Complex Oxides
Computational Investigation of Omega Phase Evolution in Ti-Mo and Ti-V Systems
Coupled Characterization and Modeling of the Crystallography of Phase Transformations
Deformation by Dislocations, Twinning, and Phase Transformations in Compositionally Concentrated FCC Solid Solutions
Effects of Ternary Element Additions on the Precipitation of α and ω Phases in Ti-Mo Alloys
Evolution of Microstructure and Transformation Texture in Titanium Alloys
Fun-research and Some Exciting Results (FRASER)
How I Learned to Stop Worrying and Love the Metallurgical Play Pen
Lattice Site Correspondence in Active Eutectoid Decomposition in Ti-Cu and Zr-Cu Alloys
New Techniques for Interrogation of Structure in Additively Manufactured Materials
Phase and Intrinsic Stress Stability in Thin Multilayered Films
Phase Separation and Atomic Ordering in Mixed III – V Epitaxial Layers
Phase Stability of Nanostructured Steel Studied by Atom Probe Tomography and the Defactant Concept
Phase Transformations, Microstructure Evolution and Mechanical Properties of Nickel-base Superalloys Studied by Analytical Scanning and Transmission Electron Microscopy
Probabilistic Methodology for Analyzing and Reconstructing Parent Microstructures from EBSD Maps of Transformation Products
Progress in the Application of ICME in the Titanium Industry
Progress with 3-dimensional Materials Science Tools for Aerospace Alloy Engineering
Qualification of Topology Optimized Titanium Parts Made by Additive Manufacturing through In-situ Process Monitoring
Quantitative Characterization of Microstructure in Near-alpha and Alpha+Beta Titanium Alloys
Steel Ab Initio: Atomic Scale Characterization and Modeling in the Development of High Strength Steels
The Need for Advanced Techniques to Couple Multiscale Physics Based Structural Models
The β to α Transformation in Titanium Alloys
Thermoelastic Equilibrium and Superfunctionality of Pre-transitional Materials: Superelasticity, Supermagnetostriction, Invar and Elinvar Effects

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