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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 Applications of Ordering Tie Lines to Represent ALCHEMI Data in Intermetallic Compounds and Complex Oxides
Author(s) Mark Aindow, Louis V. Gambino, Yanling Hu, Lichun Zhang
On-Site Speaker (Planned) Mark Aindow
Abstract Scope The technique of Atom Location by CHanneling-Enhanced MIcroanalysis (ALCHEMI) is a transmission electron microscopy (TEM) technique for the measurement of local site occupancies in crystals using X-ray or electron spectrometry. There are many important problems for which ALCHEMI could give useful insights, but the technique is not used widely, perhaps in part because the interpretation of ALCHEMI data is perceived as being rather challenging. In a seminal paper by Hou, Jones and Fraser it was shown that such data could be represented graphically in compositional space using an ordering tie line (OTL) construction. Such OTL plots reveal both the sense of the order (site occupancy preference) and the quality of the data in a straightforward fashion, which is easy to interpret. Here we will illustrate the power and versatility of the OTL approach by reviewing ALCHEMI studies on ordered and topologically close-packed intermetallic phases, conducting oxides and epitaxial thin films.
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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