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Meeting 2023 TMS Annual Meeting & Exhibition
Symposium Additive Manufacturing of Metals: Applications of Solidification Fundamentals
Presentation Title Assessment of Phase Evolution in Titanium-Niobium based Alloys During Rapid-Solidification
Author(s) Theo Mossop, David Heard, Mert Celikin
On-Site Speaker (Planned) Theo Mossop
Abstract Scope The effect of varying cooling rates is studied on the microstructural evolution of Titanium-Niobium (Ti-Nb) based alloys with Tantalum (Ta) additions. A combined simulation and experimental approach is used to investigate the predictability of differences in microstructural evolution between rapid casting and additive manufacturing (AM) processes. Rods of Ti-25Nb and Ti-20Nb-10Ta (wt% and hereafter) were manufactured in diameters from 3mm to 10mm using suction casting into copper moulds. Finite element (FE) and thermodynamic modelling was used to calculate the cooling rates and temperature gradients of the alloys. Laser remelted surfaces were produced using varying AM parameters (laser power, scan speed, hatch spacing), the solidification parameters of which were estimated using the Rosenthal model for a moving heat source. The microstructural and mechanical differences between rapid casting and AM processing conditions were determined via SEM/EDS, XRD, and mechanical testing.
Proceedings Inclusion? Planned:
Keywords Additive Manufacturing, Titanium, Solidification

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

3D Characterization of Microstructure Anisotropy along the Build Direction of PBF SB-CoNi-10
A-11: A New Cellular Automaton Model for Simulating the Formation of Aluminum Microstructure in Laser Powder Bed Fusion Process
A-12: A Study on the Effect of VED, Particle Size Distribution, Moisture content, and Powder Reuse on the Densification and Mechanical Properties of L-PBFed Nickel Alloy 718 Using Design of Experiment and ANOVA
A-13: Achieving Single Crystals of Pure Ni via Laser Powder Bed Fusion with a Flat-top Laser Profile
A-14: Directed Energy Deposition of Al-0.5Sc-0.5Si Alloy: Effect of Thermal Cycles in Microstructure and Mechanical Properties
A-15: Effects of Thermal Cycling on Microstructural Evolution in Ni-Mo-Al Single Crystals
A-16: Feasibility Study of Solidification Microstructure Control in Laser Powder Bed Fusion Based on Thermal Analysis and Microstructure Simulation
A-17: Hot Cracking during Powder Direct Energy Deposition: Experimental and Numerical Study
A-18: Impact of Laser Power and Scanning Velocity on Microstructure and Mechanical Properties of Inconel 738LC Alloys Fabricated by the Constant Volumetric Energy Input of Laser Powder Bed Fusion (LPBF)
A-19: In-situ Homogenization of Inconel 718 during Induction Heating Assisted-laser Direct Energy Deposition
A-20: IN939 Fabricated by the Laser Powder Bed Fusion: The Effect of Process Parameters on the Density, Surface Roughness and Microstructural Properties
A-21: Laser Powder Bed Fusion of 17-4 PH Stainless Steel: Multiscale Microstructure and Property Relationships
A-23: Machine Learning Based Parameters Optimization for Selective Laser Melting
A-24: Microsegregation Model Dedicated to Rapid Solidification – Application to Multicomponent Alloys of Industrial Interest.
A-25: Microstructures of 316L Steel Processed by Laser Powder Bed Fusion
A-26: Modification of H950 Condition for 17-4 PH Stainless Steel Processed by DED
A-27: Phase Field Simulation of Microstructure Evolution during Epitaxial Solidification in Additive Manufacturing Processes
A-28: Printability of Nickel Alloy 718 Using a Systematic Process Optimization Framework with Different Layer Thicknesses
A-29: Process Modification and Alloy Design of Ni-base Superalloys
A-30: Quantification of the Microstructure of Additively Manufactured Parts Utilizing Local Orientation Image Analysis
A-31: Rapid Solidification in Ternary Alloys: A Phase-Field Study
A-34: Thermal Cycles Induced Phase Evolution in IN718 during Additive Manufacturing: a Gleeble Study
A-35: Ultrafine Austenite in Laser Powder Bed Fusion Processed Duplex Stainless Steels Through Microstructural Engineering
A-36: Understanding the Impact of Residual Stresses on Microstructure Evolution in Additive Manufacturing
A-37: Using Analytical Solidification Models to Solve Solidification Cracking in Laser Powder Bed Fusion Processed Ni-based Alloys
A-80: Using Laser Powder Bed Fusion to Exploit Transformation Induced Plasticity in Beta-Titanium
A-82: Understanding the Effect of Solute Elements on the Evolution of Equiaxed and Columnar Grains in AM Processed Beta Titanium Alloys
A Machine Learning Approach to Fast Microstructure Predictions in Laser Powder Bed Fusion
A Novel Method for Determining Printability of Aluminum Alloys for LPBF Applications
Additive Manufacturing Process Map of Ti6Al4V Using In Situ and Operando Synchrotron Radiography
Alleviate Hot Cracking for Nickel-based Superalloys in Additive Manufacturing
An Oxygen-stabilized Face-centred Cubic Phase in Additively Manufactured Ti-6Al-4V
Analysis of Functionally Grade Materials Printing via Direct Energy Deposition Using Thermodynamic and Physical Simulation
Assessment of Phase Evolution in Titanium-Niobium based Alloys During Rapid-Solidification
Automatic Melt Pool Segmentation and Tracking in the X-ray Image Sequence
Bayesian Optimization of an Exponentially Modified Gaussian Heat Source Model for Laser-Based Additive Manufacturing
Challenges in Wire-Arc Additive Manufacturing of Fe-Based Shape Memory Alloy
Comparing Microstructure and Mechanical Properties of AlSi10Mg Alloy Produced by Laser Powder Bed Fusion and High Pressure Die Casting Processes
Effect of Chemical Composition, Crystallographic Orientation and Processing Parameters on Rapid Solidification in Ni-Al-Mo Single Crystals
Effect of Laser Dwell Time on Pore Elimination in Selective Laser Melting of Metal Matrix Composites: Experimentally Validated Modeling
Effects of Nanoscale Compositional Inhomogeneity on the Mechanical Properties of a Cu-9Al Alloy Produced by Wire Arc Additive Manufacturing
Eliminating Hot Tearing in Laser Powder Bed Fusion of High Strength Aluminium Alloy 2139 Through Parameter Optimisation and Grain Refinement
Estimation of Transient Melt-pool Temperature Distributions Using In-situ X-ray Radiography Images
Exploration of Rapidly Solidified β and Near-β Ti Alloys Processed by Two Piston Splat Quenching
Grain Boundary Character Distribution in Additively Manufactured Nickel-based Superalloy INC738
Improving Ductility of 316L Stainless Steel by Inducing Melt Pool Instability in Directed Energy Deposition
In-situ Alloying of High Entropy Alloys by Laser Powder Bed Fusion: Insights from Molecular Dynamics Simulations
In-situ X-ray Characterization for Additive Manufacturing of Inoculants-treated Aluminum Alloy
In-situ/Ex-situ Visualization of Microstructure Evolution in Aluminum Alloys under Additive Manufacturing Conditions
In Situ Melt Pool Measurements for Laser Powder Bed Fusion using Multi Sensing and Correlation Analysis
In Situ TEM Observations of Thermally Activated Phenomena under Additive Manufacturing Process Conditions
Interface Characteristics of a 2205 Duplex Stainless Steel Processed by Laser Powder Bed Fusion Additive Manufacturing
Investigation of Scan Rotation Effects in Additive Manufacturing Using Cellular Automata-based Microstructure Modeling
Layer-wise Optimization of Powder-bed Fusion Parameters Using Machine Learning Models in Metal Additive Manufacturing
Microstructural Control of a Multi-Phase PH Steel Printed with Laser Powder Bed Fusion.
Microstructure Evolution in an As-Built IN625 Thin-wall Fabricated Via Laser Powder Bed Fusion
Modeling Microstructural Evolution during Laser Processing of Metallic Powders using a Hybrid Mesoscale-Continuum Approach
Modeling Non-Equilibrium Partitioning in Concentrated Cu-Fe Alloys Manufactured by Laser Powder-fed Directed Energy Deposition
Numerical Simulation of the Phase Transformation Dynamics of γ′ during Electron Beam Powder Bed Fusion of IN738 Ni-based Superalloy
Operando Synchrotron X-ray Diffraction Reveals Stages of Directional Solidification in Additive Manufacturing
Operando Tomography during Laser-based Powder Bed Fusion - Towards 4D Imaging of Melt Pool Dynamics
Origin of Epitaxy Loss in Laser Powder Bed Fusion
Phase Selection of Intermetallic Compounds for an Al-10Ce-8Mn (wt.%) Alloy
Phase Transformation Dynamics Guided Alloy Development for Additive Manufacturing
Phase Transformation Dynamics in Laser Additive Manufacturing of Metals
Phase Transformation Pathways and Solute Behaviour at Boundaries in Ti-6Al-4V Manufactured via Electron Beam Powder Bed Fusion
Pore Dynamics and Formation Mechanisms during Directed Energy Deposition Additive Manufacturing
Predicting Phase and Morphology for Use in Site Specific Control of Microstructures in L-PBF Stainless Steel
Prediction of Large-scale 3D Solidification Microstructure Evolution during Metal Additive Manufacturing with High Efficiency and Resolution
Prediction of Solidification Cracking in Rene 80 Superalloy during the Directed Energy Deposition Process
Probing Surface Structures in Metal Powders Produced by Abrasion and Rapid Solidification
Process-Structure-Property Relationship in Selective Laser Melting of 18Ni-300 Maraging Steel
Rapid Characterization of Solidification Phase Transition of Additive Aluminum Alloy
Rationalization of Interphase Instabilities during Thermo-Mechanical Gyrations Typical to Metal Additive Manufacturing
Simulation of Microstructures Produced by Laser Powder Bed Fusion
Solidification-Microstructure Relationship Study of Single-track Laser Scanned Mg-RE Alloys
Solidification Cracking Behaviour of AA 6061 Aluminium Alloy with Heated Substrate in Laser Powder Bed Fusion Additive Manufacturing
Solidification Cracking in Additive Manufacturing of Metals
Solidification Mapping of Refractory Alloys during Additive Manufacturing
Solidification Mechanisms during Selective Laser Melting of Binary Ni-Cu, Ni-Al and Ni-Zr Alloys
Solidification Microstructure in Invar-Cu Intrinsic Nanocomposites by Selective Laser Melting
Solidification Modes during Additive Manufacturing Thermal Conditions Revealed by High-speed X-ray Diffraction
Spatially Tailoring Chemistry and Property Variations in Electron Beam Additive Manufacturing Builds through Process Control of Unicomposition Powder
Switching of Controlling Mechanisms during the Rapid Solidification of a Melt Pool in Additive Manufacturing
Temporal Transients of Plastic Strain Partitioning between Alpha and Beta Phases in Ti6Al4V during Thermo-mechanical Gyrations
Testing Analytic Models and Heuristics for Microstructure Evolution with 3D, Dendrite-resolved Phase-field Simulations of Entire Spot Melts
The Effect of Solidification Pathway on Grain Boundary Fractality
The Effect of Thermoelectric Magnetohydrodynamics on Microstructure Evolution in Additive Manufacturing
The Effects of Non-equilibrium Interfaces and Partial Solute Drag on Morphological Stability
Use of Magnetic Force to Control Melt Flow and Microstructure during Additive Manufacturing
Using Defects as ‘Fossil Records’ in Metallic Parts Produced with Electron Beam Powder Bed AM
Validation and Prediction with ECP ExaAM Simulations and MURI Additive Experiments
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