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Meeting 2024 TMS Annual Meeting & Exhibition
Symposium Agile Additive Manufacturing by Employing Breakthrough Functionalities
Presentation Title Effects of Process Parameters on Fatigue Life of Inconel 718 Fabricated by Wire Laser Metal Deposition (w-LMD) and Wire Arc Additive Manufacturing (WAAM)
Author(s) Mehdi Amiri, Samuel Alfred, Yash Bandari
On-Site Speaker (Planned) Mehdi Amiri
Abstract Scope Given the flexibility in the process design space, it is unknown how various sets of process parameters used in the w-LMD and WAAM influence the mechanical properties (tensile and fatigue strengths at room and high temperatures). In this paper the effects of process parameters on the mechanical properties of IN718 at room and high temperature (up to 980oC) will be investigated; in search for optimal process parameters. The deformation mechanisms, fracture, and failure in low cycle fatigue (LCF) of the w-LMD and WAAM IN718 will be investigated via mechanical testing and material characterization techniques. Using Hot Isostatic Pressing (HIP) as a baseline post processing technique, a combination of different heat treatment techniques will be used to identify suitable heat treatment protocol that results in best tensile and LCF strength. Post-mortem analyses will also be carried out to study the temperature-dependent deformation/failure mechanisms associated with the w-LMD and WAAM process routes.
Proceedings Inclusion? Planned:
Keywords Additive Manufacturing, Copper / Nickel / Cobalt, Mechanical Properties

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

A Distortion Compensation Workflow Accounting for the Effects of Post-processing in Metal Additive Manufacturing
Additively Manufactured Magnetic Materials With Optimized Site Specific Properties
An Architecture for Technology Convergence Enabling Disparate Multi-material Parts
Are There Yet? How to Accelerate the Transition From Fundamental Science of Additive Manufacturing to Pragmatic Deployment
Beyond 3D Printing of Metallic Alloys
Bulk Material Libraries via Laser-remelting: Combinatorial Analysis of Complex Structural Materials
Consideration of Interplay of Physical Phenomena Across Spatiotemporal Scales for Achieving Application Specific Properties in Large Scale Additive Manufacturing
Crystal Inspired Architected Material: Fracture Mechanism and Crack Propagation
Depositing Porous Rafts for Self-releasing WAAM Parts
Design and Fabrication of High Dielectric GRIN Lens for a Directive Antenna Using Filled Voxel Additive Manufacturing Technique
Development of In-plane Functionally Graded Metals via Directed Energy Deposition
Distortion Mitigation Strategy in Single and Multi-agent Wire-arc Additive Manufacturing
Effects of Process Parameters on Fatigue Life of Inconel 718 Fabricated by Wire Laser Metal Deposition (w-LMD) and Wire Arc Additive Manufacturing (WAAM)
Effects of Scanning Strategies and Beam Shaping on Microstructure Variation in Laser Powder Bed Fusion
Grain Nucleation From Cavitation Instabilities Induced by Nanosecond Laser Irradiation in Additive Manufacturing Melt Pools
In-situ 3D Scanning to Enable Agile Hybrid Wire Arc Additive Manufacturing With Adaptive Toolpathing
In-situ Microstructure Control During Wire and Arc Additive Manufacturing
Microstructural Control of Additively Manufactured Ti-6Al-4V via In-situ Laser Annealing
Microstructure-deformation Mechanism Relationships in an Additive Friction Stir Deposition Fe-Cr-Ni Alloy
Negative Thermal Expansion Behaviour of Metallic Metamaterials Produced via Multi-material L-PBF
SolidStir® Additive Manufacturing: A Novel Solid-state Additive Manufacturing Technique Applied to Al-Ce Alloys
Surface Chemistry Modification and Surface Roughness Reduction Post Processing of AM 316
The Design and Mechanical Performance of Interlocking Metamaterials
Understanding Structure-property Relationships in High Temperature Functionally Graded Material

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