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Meeting MS&T22: Materials Science & Technology
Symposium Processing-Microstructure-Property Relationships of Titanium and Titanium Alloys
Presentation Title Dilatometric Study of Phase Transformations in Ti-407
Author(s) Marco Eduardo Ponce
On-Site Speaker (Planned) Marco Eduardo Ponce
Abstract Scope In the present work, the study of the phase transformations in the Ti-407 alloy will be carried out, in particular, the effects of the initial microstructure and the heating rate on the phase transformations that give rise to the formation of the β phase and the cooling rate on the stability and transformation behavior of said phase. The manufacture of this type of engineering components from Ti-407 alloy represents considerable savings since this material is significantly easier to process and machine, since it exhibits a better combination of ductility and resistance. The solution heat treatment affects the distribution of elements in the initial microstructure, consequently, the dilatometric curves behave very differently during heating, dissolving the alloying elements differently. Based on the analysis of the dilatometric curves during constant heating, it was determined that the β-transus temperature starts from ~815C for the Ti-407 alloy.
Proceedings Inclusion? Undecided

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

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
Development of High Mechanical Strength and Low Elastic Modulus Ti-Nb-Fe-Sn-Zr Alloy for Orthopedic Implants
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
Nanoindentation Studies and Bulk Mechanical Properties of Additively Manufactured Titanium Alloys
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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