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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 New Techniques for Interrogation of Structure in Additively Manufactured Materials
Author(s) Andrew T. Polonsky, Marie-Agathe Charpagne, Brent Goodlet, Tresa Pollock
On-Site Speaker (Planned) Tresa Pollock
Abstract Scope The development of layer-by-layer additive 3D printing approaches for metallic systems promises new pathways for the fabrication of complex, advanced engineering components, beyond prototyping, to full manufacturing. However, a major challenge remains in demonstrating the integrity of components manufactured by these additive processes, which develop due to solidification in melt pools that are of the order of cubic millimeters in extent. New approaches to the characterization of structure developed at the melt pool scale will be reviewed. Three-dimensional datasets generated by TriBeam tomography of stainless steel and nickel-base alloys fabricated by the LENS and electron beam additive approaches, respectively, will be reviewed. Aspects of structure unique to these manufacturing approaches will be discussed. The ability of resonant ultrasound spectroscopy to detect abrupt changes in structure associated with these processes will also be addressed.
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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