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Meeting 2022 TMS Annual Meeting & Exhibition
Symposium Recent Investigations and Developments of Titanium-containing High Entropy Alloys
Presentation Title Biocompatible Titanium Containing Medium and High Entropy Alloys
Author(s) Konstantinos Georgarakis, Kimon Konakoglou, Martin Stiehler, Mark Jolly
On-Site Speaker (Planned) Martin Stiehler
Abstract Scope Using appropriate alloy design strategies and thermodynamic calculations, medium and high entropy alloys were developed with BCC structures and attractive combinations of biocompatibility, corrosion resistance, low elastic modulus, high mechanical strength and ductility. Novel non-equimolar alloys were produced by arc melt- casting in an Ar inert atmosphere from simple to more complex compositions starting on the known refractory system TiZrNbTaMo. This work focuses on the relations between chemistry, structure and properties of the developed MEAs and HEAs. Further surface modifications can be carried out to bioactivate the alloys surfaces for improved interactions between the metallic bio-materials and the human tissue. The achieved combinations of bio-compatibility, electrochemical and mechanical properties indicate that Bio-HEAs are very promising for applications as implant materials. The enormous space for further development and optimization offered by the high entropy alloying strategies cannot be underestimated.
Proceedings Inclusion? Planned: None Selected
Keywords High-Entropy Alloys, Biomaterials, Characterization


A Data-driven Analysis for Selection of Ti-containing High Entropy Alloys and Future Directions
Biocompatible Titanium Containing Medium and High Entropy Alloys
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
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
NOW ON-DEMAND ONLY - In-situ Laser-deposited Ti-based High Entropy Alloys for Aerospace Applications
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
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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