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Meeting 2022 TMS Annual Meeting & Exhibition
Symposium Recent Investigations and Developments of Titanium-containing High Entropy Alloys
Presentation Title INFLUENCE OF LASER IN-SITU DIRECT ENERGY DEPOSITION ON THE MECHANICAL PROPERTIES OF HIGH ENTROPY ALLOYS
Author(s) Thembisile Dlamini
On-Site Speaker (Planned) Thembisile Dlamini
Abstract Scope High entropy alloy (HEAs) has been the center of attention due to the outstanding mechanical properties it produces. Due to constant advancement of knowledge there is a need for new improved material with excellent mechanical properties. There are various methods that are used to improve properties in HEAs such as thermochemical processing, addition of alloying elements, or solidification method. This research work sought to study the mechanical properties of laser in-situ Ti and AlCoCrFeNiTi HEA using Direct Energy Deposition (DED) process. The results indicated favorable mechanical properties when powder flowrate is adjusted from 0.2rpm – 0.8 rpm.
Proceedings Inclusion? Planned: None Selected
Keywords Additive Manufacturing, High-Entropy Alloys, Other

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

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
INFLUENCE OF LASER IN-SITU DIRECT ENERGY DEPOSITION ON THE MECHANICAL PROPERTIES OF HIGH ENTROPY ALLOYS
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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