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Meeting MS&T22: Materials Science & Technology
Symposium Processing-Microstructure-Property Relationships of Titanium and Titanium Alloys
Presentation Title Titanium Alloy Microstructures Produced by Additive Manufacturing and Deformation
Author(s) Amy J. Clarke, Benjamin Ellyson, Alec Saville, Chris Jasien, Jake Benzing, Adam Creuziger, Sven Vogel, Kamel Fezzaa, Wayne Chen, John Foltz
On-Site Speaker (Planned) Amy J. Clarke
Abstract Scope Titanium (Ti) and its alloys are ubiquitous in the aerospace, defense, and biomedical industries and are often used to realize property and performance gains. Today, state-of-the-art characterization techniques available in the laboratory and at national user facilities are enabling unprecedented, multiscale in-situ/ex-situ studies of Ti alloys and new insights into alloying-processing-microstructure-property-performance relationships. Here we highlight the role of thermals gradients, solidification velocities, and complex thermal cycling on the phases and microstructures developed in commercial and novel Ti alloys under additive manufacturing conditions, revealing possible strategies for microstructure and property control. We also explore the role of phase stability, omega-phase, and transformation- and twinning-induced plasticity, or TRIP/TWIP, on the mechanical response of metastable Ti alloys after/during quasi-static or dynamic testing. These deformation mechanisms can be tailored to design the properties of Ti alloys for high-performance structural applications.
Proceedings Inclusion? Undecided


Approaches to Improving Yield-strength without Compromising Strain-hardenability in β-Titanium Alloys
Conventional Ti Alloys for Aeroengines And Aircraft Landing Gear Beams—a Data-driven Analysis for Selection of Ti-based Alloys and Future Directions
Design of New Metastable Ti Alloys and Determinations of Their Deformation Mechanisms Active during Tensile Deformation
Dilatometric Study of Phase Transformations in Ti-407
Enhancing Low-cycle Fatigue Life of Commercially-pure Ti By Deformation At Cryogenic Temperature
Hierarchical Twinning Microstructure in the Metastable β Titanium Alloys
Insights from Three-dimensional Characterization of Twins in Titanium
Microstructure-based Equivalent Initial Flaw Size (m-EIFS) Distributions for Airframe Structural Components
Microstructure Evolution and Mechanical Behaviour of Two Phase (α+β) Ti-6Al-4V Alloy : An Effect of Heat Treatment Temperature and Duration
Role of Oxygen on Phase Stability, Precipitation, and Deformation in Beta Titanium Alloys
Slip-twinning Interdependency in High-strength Alpha-beta Titanium Alloys
Tailoring Martensitic Transformation in Metastable Beta-Ti Alloys
Titanium Alloy Microstructures Produced by Additive Manufacturing and Deformation
Using Synchrotron X-ray Characterization to Understand Slip Processes in Titanium Alloys

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