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Meeting 2021 Annual International Solid Freeform Fabrication Symposium (SFF Symp 2021)
Symposium Materials
Presentation Title A Combinatorial Approach of Alloy Modification and Heat Treatment Strategies, Towards a Tailored Microstructure with Improved Mechanical Properties of Hot Work Tool Steel
Author(s) Iris Raffeis, Frank Adjei-Kyeremeh, Simon Ewald, Uwe Vroomen, Johannes Henrich Schleifenbaum, Andreas Bührig-Polaczek
On-Site Speaker (Planned) Iris Raffeis
Abstract Scope Hot Work Tool steels (HWTS) are of huge industrial significance because of their tooling applications owing to among others their high toughness properties and resistance to soft hardening. Due to the inherent benefits of the Additive Manufacturing (AM) process-route, particularly the Laser Powder Bed Fusion (LPBF) process, AM processability of these alloys have received keen interest. However, recent advances in that regard have either fallen short of comprehensive microstructure characterisation or to improve reported poor ductility, adopted several heat treatments steps. This investigation takes the approach of combining both alloy modification and heat treatment strategies to present a methodology for achieving tailored microstructure with enhanced mechanical properties of an H11 (1.2343) LPBF processed HWTS. A standard H11 HWTS and its modification (H11-M) are both LPBF processed in as-built, pre-heat and post heat-treated conditions with comparative mechanical testing and microstructure characterisation.
Proceedings Inclusion? Definite: Post-meeting proceedings


A Combinatorial Approach of Alloy Modification and Heat Treatment Strategies, Towards a Tailored Microstructure with Improved Mechanical Properties of Hot Work Tool Steel
A Comparative and Experimental Study on the Effect of Heat Treatment Cycles for PBF Ti6Al4V
A Comparative Study on the Microstructure and Texture Evolution of L-PBF and LP-DED 17-4 PH Stainless Steel during Heat Treatment
A Control of Surface Quality in Selective Laser Sintering Additive Manufacturing with Reclaimed Polyamide Materials
A High Throughput Additive Manufacturing and Characterization Approach for Evaluating Structure-property Relationships in Multiphase High Entropy Alloys
Additive Manufacturing of Magneto-active, Shape Programmable Thermoset Composite Laminates via Reactive Extrusion
Additively Manufactured Hastelloy-X: Effect of Post-process Heat Treatment on Microstructure and Mechanical Properties
Additively Manufactured Haynes 230 by Laser Powder Direct Energy Deposition (LP-DED): Effect of Heat Treatments on Microstructure and Tensile Properties
An Initial Evaluation of Process-property Relations for FDM produced 316L Stainless Steel
Analysis of Horizontally Graded Titanium-Tantalum Using Laser Powder Bed Fusion Additive Manufacturing
Analysis of Residual Stress Reduction of in situ Annealed LPBF 316L Stainless Steel
Analysis of Residual Stress Reduction of In Situ-Annealed AM 316L Stainless Steel
Binder-free Additive Manufacturing of Ceramics Using Hydrothermal-assisted Transient Jet Fusion
Ceramic Binder Jetting Additive Manufacturing: Effects of Granulation on Properties of Feedstock Powder and Printed and Sintered Parts
Ceramic On-demand Extrusion (CODE) of Zirconium Diboride
Challenges during laser powder bed fusion of a near-alpha titanium alloy - Ti-6242Si
Characterization of Copper Coupons Made via Laser Powder Bed Fusion
Characterization of n-type Bismuth Telluride Manufactured via Selective Laser Melting
Characterizing Internal Porosity of 3D-printed Fiber Reinforced Materials
Comparison of Component Properties and Economic Efficiency of the Arburg Plastic Freeforming and Fused Deposition Modeling
Creating Conformable Lithium Batteries Using Selective Laser Sintering
Development of Effective Powder Layer Thickness for Different Materials and Process Conditions
Direct-writing SiC with Micro-cold Spray: Particle Agglomeration Dependence on Film Density
Direct 3D Printing of Transparent Spinel Ceramics via One-step Laser Direct Deposition
Directed Energy Deposition Additive Manufacturing of Nickel Aluminum Bronze: Temperature Dependent Properties for Predicting Distortion
Dry Aerosol Deposition of Barium Neodymium Titanate Dielectric Ceramic
Dry Aerosol Deposition of Silicate Coatings on Space Relevant Polymeric Substrates
Effect of Heat Treatment on the Tensile Behavior of 17-4 PH Stainless Steel Additively Manufactured by Metal Binder Jetting
Effect of powder characteristics on tensile properties of additively manufactured 17-4 PH stainless steel
Effect of process parameters on the vibration properties of PLA structure fabricated by additive manufacturing
Effects of Build Orientation and Heat Treatment on Neutron Irradiation Hardening in Inconel 625 Fabricated via Laser Powder Bed Fusion
Effects of Fiber Length Evolution in Carbon Fiber-reinforced Epoxy Composites for Direct Ink Writing
Effects of Heat Treatment and Fast Neutron Irradiation on the Microstructure and Microhardness of Inconel 625 Fabricated via Laser-Powder Bed Fusion
Effects of Powder Reuse and Spatial Location Dependency on the Powder Characteristics and Defect Structure of Additively Manufactured Ti-6Al-4V Parts
Effects of Stripe Width on the Porosity and Mechanical Performance of Additively Manufactured Ti-6Al-4V Parts
Electron Beam Selective Melting of IN738LC Alloy; Defects Control, Microstructural Characterization and Mechanical Properties
Energy Density Effect on the Keyhole and Lack of Fusion Porosity during Laser Powder Bed Fusion Process
Evaluating the Effect of Z-pinning parameters on the Mechanical Strength and Toughness of Printed Polymer Composite Structures
Evaluating the Efficacy of X-ray Computed Tomography for Flaw Detection in Laser Powder Bed Fusion Additive Manufacturing using Automated Optical Serial Sectioning
Evaluation of Early Fatigue Damage Detection in Additively Manufactured AlSi10Mg
Exploring the Structure-property Relationships of WxCoCrFeMnNi Graded High Entropy Alloy
Exploring the Structure-property Relationships of (Ti, TiAl6V4)xCoCrFeMnNi Graded High Entropy Alloy
Fabricating Silicon Nitride Parts Using the Ceramic On-Demand Extrusion ( CODE) Process and Pressureless Sintering Method
Fatigue Properties of 3D Printed Maraging Steel
Feasibility Study on Digital Light Processing of Metamaterials with Nested Structures
Flowability Measurements of Different SLS Materials at Elevated Temperatures with a Modified Schulze Ring Shear Tester
Fracture Behavior of FDM Polymer Materials: Impact of Sample Size, Notch, and Element Layout
Generation and Characterization of Parameter- and Process-induced Defects in Powder Bed Fusion Additive Manufacturing, and Impact of Mechanical Properties Thereof
Geometry Limitations of Indirect Laser Sintering of Alumina
Improving Vat Photopolymerization Part Performance via Thermally Activated Bond Exchange
Increasing Productivity in Laser Powder Bed Fusion Additive Manufacturing of AlSi10Mg
Influence of Process Conditions on the Thermal Conductivity of Selective Laser Melted AlSi10Mg
Inkjet Printing Graphene for Devices: From Contacts to Functional Layers
Investigating Thermally Induced Phase Separation as a Composite Powder Synthesis Technique for Indirect Selective Laser Sintering
Investigation into Laser Sintering of PEEK Using Commercially Available Low Powder Bed Temperature Machine
Investigation of Defects Formation Mechanism and Its Reduction in Selective Laser Melting Fabricated Al7075 Alloy
Investigation of Machinability of Additively Manufactured Metal Alloys
Investigation of Mechanical Properties of Parts Fabricated with Gas- and Water-atomized 304L Stainless Steel Powder in the Laser Powder Bed Fusion Process
Investigation Towards AlSi10Mg Powder Recycling Behavior in the LPBF Process and Its Influences on Mechanical Properties
Laser Powder Bed Fusion Additive Manufacturing of Copper Vapor Chambers
Linear elastic finite element calculations of short cracks initiated from the defects: effect of defect shape and size
Low Temperature Laser Sintering on a Standard System: First Attempts and Results with PA12
Mapping the Process Window for Reliable Metal Droplet-on-demand Manufacturing
Material Properties of 17-4PH Stainless Steel Fabricated by Atomic Diffusion Additive Manufacturing (ADAM)
Measurements and Predictions of Residual Distortion in AM Ti-6Al-4V Specimens
Mechanical Properties of 304L Stainless Steel Parts Fabricated by Laser Foil Printing
Mechanical Properties of High-performance Plastic Polyether-ether-ketone (PEEK) Printed by Fused Deposition Modeling
Metal Additive Manufacturing with Bessel Beams
Methodology for Determining Design Rules for Helical Channels in Glass Components Produced via Selected Laser Sintering
Methods of Automating the Laser-Foil-Printing Additive Manufacturing Process
Microhardness and Mechanical Properties in Additively Manufactured Inconel 718
Microstructure and Mechanical Properties in Polymer Powder Bed Fusion Processes
New Gold Conductive Ink Formulation with Enhanced Cohesion for Material Jetting
Operando Diffraction of Phase Evolution in Selective Laser Melting of Elemental Blends of Al-Sc and Al-Sc-Zr
Particle-Melt Pool Interactions in Multi-Material Laser Based Directed Energy Deposition
Powder Bed Fusion Additive Manufacturing of Curved-surface AlSi10Mg Parts: Surface Finish, Geometrical Deviation, and Microstructure
Powder Reuse Effects on the Tensile Behavior of Additively Manufactured Inconel 718 Parts
Powder Spreadability Measurements to Predict Performance in SLM Printers
Predict Adhesive Strength of Repair of Thermoplastic Component Based on Polymer Healing Theory
Pressure Control During Bronze Infiltration of Binder-Jet Printed Stainless-Steel to Create Metal Microchannels
Printability Assessment of Cellulose-Based Polymer Structures Using Direct Ink Writing
Process Optimization and Mechanical Properties of Laser Powder Bed Fusion Built Haynes 230
Processing of Soda-lime Glass In Laser-based Powder Bed Fusion
Residual Stress Measurements via X-ray Diffraction Cos-α Method on Various Heat-Treated Inconel 625 Specimens Fabricated via Laser-Powder Bed Fusion
Selective Binder Jetting: Enhancing Part Quality through Fabrication of Shelled Geometries
Selective Laser Flash Sintering: Processing Conditions
Selective Laser Melting of Metal Cooling Devices onto Silicon
Spatial Inhomogeneity of Build Defects Across the Build Plate in Laser Powder Bed Fusion
Strain Energy Approach to Estimating Stress-life and Strain-life Behavior of Additive Manufactured Austenitic Stainless Steels
The Effect of Fused Filament Fabrication Thermal Post-Processing Conditions on the Mechanical Strength and Dimensional Accuracy on ULTEM® 1010
The Effect of Stress Intensity Factor on Fatigue Life of Additive Manufactured Parts Made from Polymer
The Influence of Grain Size Distribution of PA12 on Key Steps of the Polymer Laser Sintering Process
The Laser Powder Bed Fusion Process Development of 17-4 PH Stainless Steels With Pulsed-Wave Lasers
The Material Testing of Nanoparticle Doped 3D Printed ABS to Decrease Resistance and Create a Conductive Pathway
Towards a Defect-based Process Map
Use of Powder with Non-spherical Morphology in a Laser Powder Bed Fusion Additive Manufacturing Process
(LATE REG) Microstructure Pore-stress Interactions and Their Influence on Scatter in AM Fatigue Life Data

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