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Meeting 2017 TMS Annual Meeting & Exhibition
Symposium Phase Transformations and Microstructural Evolution
Presentation Title A Combinatorial Assessment of AlxCrCuFeNi2 (0<x<1.5) High Entropy Alloys: Microstructure, Microhardness, and Magnetic Properties
Author(s) , Bharat Gwalani, Deep Choudhuri, Calvin Mikler, Chris Yannetta, Xi Chen, Raju Ramanujan, Mark Styles, Mark Gibson, Rajarshi Banerjee
On-Site Speaker (Planned)
Abstract Scope Laser additive manufacturing is becoming increasingly important in advanced manufacturing; current research efforts are focused on optimizing the parameters for processing mature alloys from powder feedstock to achieve properties, at least equivalent to, or better than, conventionally processed counterparts. Laser additive manufacturing also opens up a new horizon in terms of processing functionally graded materials that are difficult, if not impossible, to process using conventional techniques. This talk discusses a novel combinatorial approach for assessing composition-microstructure-microhardness-magnetic property relationships, using laser deposited compositionally graded AlxCrCuFeNi2 (0 < x < 1.5) high entropy alloys (HEAs). The composition gradient has been achieved from CrCuFeNi2 to Al1.5CrCuFeNi2 over a length of ~25 mm, deposited using the laser engineered net shaping process from a blend of elemental powders. Such graded alloys are highly attractive candidates for investigating the influence of systematic compositional changes on microstructural evolution and concurrent physical and mechanical properties in HEAs.
Proceedings Inclusion? Planned: Supplemental Proceedings volume


A Combinatorial Assessment of AlxCrCuFeNi2 (0
A Direct Evidence of Solute Interactions with a Moving Ferrite/Austenite Interface in a Model Fe-C-Mn Alloy
A Preliminary In-situ TEM Study of Migration Properties of Interfaces between Austenite and Ferrite in a Duplex Stainless Steel
An Experimental Assessment of the α + α' Miscibility Gap in Fe-Cr
Assessing Chemical and Microstructural Evolution at Interfaces of γ' - Strengthened Superalloys at High Temperatures by In Situ TEM Heating Experiments
Characterization of Microstructural Evolution in a High Entropy Alloy with a Complex Nanoscale Microstructure
Characterizing Ni-Ti-Ga Shape Memory Alloys
Crystallization Pathway in Al-Sm Alloys Prepared by Melt Spinning and Magnetron Sputtering
Deformation Modes in High-pressure ω-phase of Zr: A First-principles Study
Development of Various Scale Alpha Microstructures in Titanium Alloys
Diffusion Behavior of Alloy Elements in Martensite-austenite Constituent Formed in the Heat-affected Zone of a Low Alloy Carbon Steel
Direct Observation of the Movement of the Austenite-ferrite Interface in Fe-C-Mn Steels
F-65: Effects of Microstructural Features on CTOD in Coarse-grained and Inter-critically-heated HAZs of Mn- and Ni-added HSLA Steels
F-66: Relationship between Reverse Ferrite Transformation and Recrystallization in Low-carbon Al-containing Steels
F-67: Solidification Microstructures in Ag3Sn-Cu3Sn Pseudo-Binary Alloys
F-68: Morphology of Order-disorder Structures in Rapidly Solidified L12 Intermetallics
F-69: Phase Transformation Kinetics of Fe16N2 Based Rare-earth-free Permanent Magnets
F-70: The Role of Grain Size Distribution in Nanocrystalline Shape Memory Alloys
F-71: W, Nb, and Cr Effects on High-temperature Tensile Properties in Heat-resistant Austenitic Cast Steels
F-72: Controlling of Mechanical Properties on SUS310S Substrate Used at Superconducting Wire
F-73: Study on the High Temperature Phase Equilibrium Relationship in CaO-SiO2-10%La2O3-Nb2O5 System
F-74: Improved Electrochemical Discharge Kinetics of V-based BCC Metal Hydrides via Microstructure Reduction
F-75: Structure-Property Relations in Doped Ni-Mn-Ga Heusler Alloys for Magnetocaloric Applications
F-76: In-situ High Energy XRD Study of Optimal Annealing for a Novel Nb/NiTi Nanocomposite
F-77: Relationship of Microstructural Evolution to Magnetic Properties of Alnico Magnets
F-78: Microstructure Evolution in Martensitic NiTi Using High Energy Diffraction Microscopy
F-79: Phase Equilibria in the Al-Co-Ni Alloy System
F-81: Effect of Composition and Thermal Processing on Transformation Characteristics and Equilibrium Phase Stability in NiTiHf High Temperature Shape Memory Alloys
F-82: Application of ASTAR/PED Orientation Microscopy Technique in Grain Boundary Character Distribution of Nano-size Pure Zirconium
Harnessing the Kirkendall Effect for the Fabrication of Metallic Microtubes and Hollow Scaffolds
Hydrostatic Compression Behavior and High-pressure Stabilized b-phase in g-based Titanium Aluminide Intermetallics
In Situ X-ray Diffraction Investigation of Thermally Induced Martensitic Transformations in High Temperature Shape Memory Alloys
Influences of Pre-existing Defects on the Morphology and Variant Selection of Precipitates in Alpha/Beta Ti-alloys
Interfacial Energy Evaluation in Binary Systems Using Diffusion-Multiples and Simulations
Investigation of Alpha/Beta Interface Structure in a Titanium Alloy Using Aberration-Corrected Scanning Transmission Electron Microscope
Investigation of Nano-scale Instabilities in Titanium Alloys
Kinetics of Low-temperature Spinodal Decomposition in a Fe-Ni-C Martensite: A Discrete Mean-field Model
Martensitic Transformation near Grain Boundaries and PhaseBboundaries in Dual-phase Shape Memory Alloys
Mg-Sc-based Alloy and Its Functionality
Microstructural and Texture Transitions Observed Using Shear Assisted Processing and Extrusion (ShAPE) of Melt Spun AZ91E Precursors
Microstructural Effects on Stress-Induced Martensite in NCAXB Alloys
Microstructure Evolution and Recrystallization in Linear Friction Welded Titanium Alloys
Modeling the Superelastic Behavior in Small-scale ThCr2Si2-type Crystals
Neutron Diffraction Study on Atomic Structures and Phase Transition of Magnesium-lithium Alloy
Orientational Dependence of Shock Induced Phase Transition of Single Crystal Copper
Origin of the {332}<113> Twinning System in β Titanium Shape Memory Alloys
Phase-field Simulation of Solidification of High and Medium Manganese Steels: Incorporating the Effects of Convection and of Transformation Strains
Phase Field Modeling of Functional Fatigue in Shape Memory Alloys
Phase Formation in Cu - Zn Powder Mixtures Subjected to Ultrasonic Powder Consolidation
Phase Transformation Kinetics of Pressure-vessel Steel Welds Phase Transformation Kinetics of Pressure-vessel Steel Welds
Phase Transformations in NiTi Alloys under Biaxial Stress
Phase Transformation, Microstructural Evolution and Property Modification in Rapidly Solidified Grey Cast Iron
Primary Alpha Plate Growth in Ti6246
Revealing Transformation and Deformation Mechanisms in Niti-based High Temperature Shape Memory Alloys through Microstructural Investigations
Role of Granular Constraint and Surface Effects on the Phase Transformation Mechanics in Shape Memory Alloys
Solute Segregation in Aluminum Alloys
Strengthening Model to Optimize Coarsening Resistant Q and θ’-Phase Precipitates in Al-Si-Mg-Cu Cast Alloys
Structure, Mechanical Properties and Corrosion Behavior in a Powder-processed Icosahedral-phase-strengthened Aluminum Matrix Nano-composite
Study on Phase Stability, Correlated Deformation Microstructure and Mechanical Properties in a Metastable β-type Ti-Nb-Zr-Ta-O Alloy
Synchrotron High-energy X-rays for In-situ Study of Phase Transformation of Advanced Materials
Tailoring the Microstructure of Intermetallic Films by Seed Layer Mediated Crystallization from an Amorphous Phase
The Effect of Aluminum Content on Recrystallization and Grain-growth of Magnesium Alloys
The Effect of Aluminum Content on Recrystallization and Grain Growth in Binary Alpha Titanium Alloys
The Effect of the Heat Treatment Temperature on the Thermodynamic Properties of the 55.89wt%Ni-Ti Shape Memory Alloy
The Microstructure Evolution of HAVAR Co-Base Alloy during Cold Rolling
Thermal Stabilization of Bainite
Unraveling the Growth Process of an Irregular Eutectic

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