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About this Abstract
Meeting	Materials Science & Technology 2012
Symposium	Recent Advances in Phase Transformations and Structural Evolution in Titanium and its Alloys
Presentation Title	Coarsening and Dissolution the Alpha Phase during Subtransus Solution Treatment in Ti-15Mo-(0.35-0.5) O
Author(s)	Herbert Boeckels, Henry J. Rack
On-Site Speaker (Planned)	Herbert Boeckels
Abstract Scope	The influence of subtransus solution heat treatment on the alpha phase morphology in alpha-beta processed Ti-15Mo-xO was investigated using back-scattered electron microscopy and quantitative image analysis. Initially the alloys examined contained triple point, grain boundary and secondary alpha. Increasing solution treatment above 977K resulted in resolution of secondary alpha, thickening/lengthening, spheroidization and dissolution of grain boundary alpha and coarsening/dissolution of triple point alpha. Measurement of alpha volume fraction, grain boundary/triple point alpha size and grain boundary alpha contiguity allowed selection of alpha-beta solution temperature and time possessing minimum triple point alpha size and grain boundary continuity.
Proceedings Inclusion?	Planned: Metallurgical and Materials Transactions

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Aging Heat Treatments of Ti-Nb and Ti-Nb-Sn Alloys

Annealing Behavior and Thermal Stability of Ultrafine Grained Commercially Pure Titanium

Athermal – Isothermal Phase Transformations in Ti-6.8Mo-4.5Fe-1.5Al

Characterization of Microstructural Development for Bimodal and Fully Lamellar Microstructures Observed in High-Strength, Near-Beta Titanium Alloy, TIMETAL^®18

Coarsening and Dissolution the Alpha Phase during Subtransus Solution Treatment in Ti-15Mo-(0.35-0.5) O

Comparison of the Deformation Behavior of Commercially Pure Titanium and Ti-5Al-2.5Sn(wt.%) at 296K and 728K Using In-situ SEM Experiments

Correlations between the Cooling Rate and Decomposition Pathways in near Eutectoid Ti-Cu Alloys

Coupling Advanced Characterization with First-Principles Computations to Investigate Omega Precipitation in Titanium Alloys

Determining the Variance and Distribution of Quantified Microstructure Parameters in α + β Processed Ti-6Al-4V and their Contribution to the Accuracy of Property-Predictive Neural Network Models

Development of Phenomenological Equations for Composition-Structure-Property Relationships in Ti-6Al-4V

DualBeam™ FIB/SEM Characterization of Microstructure Evolution in Ti Alloys

Electron Microscopy Characterization of the Microstructural Evolution for Solid State Welding Observed in Joined Ti-6-4/Ti-17

Experimental Study on the Effect of Microstructure on Oxygen Ingress in Ti-6242S

First Principles Study of Beta-Omega Transformations and Interface Structure in Ti-Mo System

Formation of Transformation Texture in Supertransus Heat Treated Ti-6Al-4V and Ti-6Al-2Sn-4Zr-6Mo

Microstructural Evolution in Ti-5Al-5Mo-5V-3Cr during Continuous Heating

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On the Evolution of Equaixed Particle Formation in a+b Processed Ti-6Al-4V

Phase Separation and Its Subsequent Influence on Alpha Nucleation in Titanium Alloys

Phase Transformations during Oxidation of Beta Titanium Alloys

Phase Transformations in Titanium Alloys: An Assessment of Our Current Understanding

Processing and Variant Distribution in Titanium Alloys

Role of Structure on Properties in Ultrafine Grained Titanium Alloys

The Effect of Microtexture on Grain Growth during Beta Annealing of Two-Phase Titanium Alloys

The Effect of Texture on Superelasticity in Nickel-Titanium

The Pseudo-Spinodal Mechanism of Alpha Nucleation in Titanium Alloys

The Role of Grain-Boundary Parameters on Variant Selection and Morphology of Allotriomorphic Alpha in Beta-Processed Titanium Alloys

Virtual Experiments and Neural Networks: Evaluating the Effect of Microstructural Features in Ti-Based Alloys Using Matlab

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