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Meeting 2022 TMS Annual Meeting & Exhibition
Symposium Recent Investigations and Developments of Titanium-containing High Entropy Alloys
Sponsorship TMS Structural Materials Division
TMS: Titanium Committee
Organizer(s) Masahiko Ikeda, Kansai University
Masato Ueda, Kansai University
Carl J. Boehlert, Michigan State University
Peter K. Liaw, University of Tennessee
Scope High entropy alloys (HEAs) have been defined as alloys that have larger than 1.5R of configuration entropy (where R=8.314J/(Kxmol) is the gas constant). These alloys possess a "high-entropy effect," "sluggish diffusion effect," and "severe lattice distortion effect." HEAs tend to exhibit attractive mechanical properties at elevated temperatures and good corrosion resistance. Titanium-based HEAs alloys are being investigated for potential biomedical and heat-resistant applications. Unfortunately, symposia focusing on high entropy titanium alloys are lacking. This symposium is intended to address this need and topics of interest include (but are not limited to):

• High entropy titanium alloys, including alpha-beta alloys, metastable beta alloys, and stable beta alloys
• Advanced processing of high entropy titanium alloys
• Phase transformation and microstructural evolution in high entropy titanium alloys
• Mechanical behavior and performance of high entropy titanium alloys
• ICME, materials informatics, and machine learning for the discovery of composition-processing-microstructure-property relationships of high entropy titanium alloys

Abstracts Due 07/19/2021
Proceedings Plan Planned: None Selected

A data-driven analysis for selection of Ti-containing high entropy alloys and future directions
Biocompatible titanium containing medium and high entropy alloys
Compositional Dependence of the (TiZrHf)50Ni25Co10Cu15 High Entropy Alloy Shape Memory Properties
Design and characterization of novel Ti-Zr-Nb-Mn-Fe medium and high entropy alloys for biomedical applications
Designing porous refractory high entropy alloy using the dealloying method
Effect of elemental combination on microstructure and mechanical properties of refractory medium entropy alloys
Effect of Hf and Zr composition on the phase equilibria and transformation temperatures of the (TiZrHf)50Co10Ni25Cu15 multi-principal element shape memory alloy
Enhanced mechanical properties of Ti60(NbVCr)34Al6 medium entropy by thermomechanical treatment
Evolution of Microstructure and Deformation Substructure in Al1 Mo0.5 Nb1Ta0.5Ti1Zr1, a Refractory HEA Alloy with Disordered BCC Precipitates Embedded in a Continuous Ordered B2 Matrix
Gas tungsten arc welding of Cr29.7Co29.7Ni35.4Al4Ti1.2 (at.%) high entropy alloy
In-Situ Laser-Deposited Ti-Based High Entropy Alloys for Aerospace Applications
Investigation of the BCC Phase Formation Region in the Al-Cr-Fe-Ti-V High-Entropy Alloys by Using High-Throughput Computational Method.
Investigation of the Temperature Dependence of Tensile Deformation Substructures in NbTiZr , Single Phase Equiatomic BCC Refractory High Entropy Alloy (RHEA)
Neural-Network based atomistic simulation on chemical ordering formation and its kinetics in medium entropy alloys
Phase stability and the role of Ti in W-Ta-Ti-Cr-V high-entropy alloys from the first principles thermodynamic study with experimental validation
Phase stability of hcp-HEAs containing Ti
Predicting the compositions of an Al-Co-Fe-Ni-Ti high-entropy system by the calculation of phase diagrams method coupled with high-throughput computations
Single-crystal mechanical properties of equiatomic and non-equiatomic high-entropy alloys
Solidification Microstructure of High Entropy Alloys Composed with 3d transition metal and silicon

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