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Meeting MS&T22: Materials Science & Technology
Symposium Processing-Microstructure-Property Relationships of Titanium and Titanium Alloys
Presentation Title Approaches to Improving Yield-strength without Compromising Strain-hardenability in β-Titanium Alloys
Author(s) Srinivas Aditya Mantri, Mohan Sai Kiran Nartu, Abhishek Sharma, Sriswaroop Dasari, Riyadh Salloom, Ravisankar Haridas, Fan Sun, Frederic Prima, Hamish Fraser, Srinivasan Srivilliputhur, Rajarshi Banerjee
On-Site Speaker (Planned) Rajarshi Banerjee
Abstract Scope Metastable β-Titanium alloys offer wide range of processability, multiple microstructures and hence, impressive mechanical properties. A β-solutionised microstructure may be aged below or above the ω solvus temperatures for either a short-term or a long-term heat-treatment. The effect of plastic deformation (cold-rolling) prior to such heat-treatment has also been realized recently. Large tonnage commercial usage of these alloys for safety critical applications makes such observations important as they may help design more robust and economically efficient processing routes. In the present talk, we discuss some of these approaches which lead to substantial increase in yield strength without any significant compromise to strain-hardening or ductility. Using experiments in commercial alloy systems coupled with DFT studies in modal binary beta-Titanium alloys we show how to realize this goal and with detailed investigation of the associated deformation-mechanisms we provide insights for a wider application of such approaches.
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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