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Meeting 2022 TMS Annual Meeting & Exhibition
Symposium Additive Manufacturing: Nano/Micro-mechanics and Length-scale Phenomena
Presentation Title Effect of skin microstructure on the bending properties of additively manufactured IN625 beams
Author(s) Arunima Banerjee, Sara Messina, William Musinski, Paul Shade, Marie Cox, Matthew Begley, Kevin Hemker
On-Site Speaker (Planned) Arunima Banerjee
Abstract Scope Additively manufactured (AM) metallic structures often have location-dependent microstructures that depend on the laser raster pattern and thermal history. This can lead to spatial variations in the attendant mechanical properties. This study was undertaken to determine the location-specific material properties of IN625 beams fabricated via laser powder bed fusion approach. Samples either retained their as-printed microstructure consisting of smaller grains in the outer skin and larger grains in the interior region or were polished to remove the outer skin. Micro-bending tests were performed on both sets of samples to compute the contribution of the outer skin to the measured properties. The samples with the outer skin had a higher bending strength and hardening rate. These observations provide insight into the material properties and modeling approaches that need to be employed to capture the spread of plasticity in complex, printed thin-walled structures with similar microstructural variations.
Proceedings Inclusion? Planned:
Keywords Additive Manufacturing, High-Temperature Materials, Mechanical Properties


A nanomechanical approach to reveal the origins of superior intergranular cracking resistance in irradiated additively-manufactured stainless steel
A Small Punch Test Study of Additively Manufactured AlSi10Mg
Bridging the deformation length-scales in additively manufactured metals via in situ mechanical testing
Capturing the effects of grain boundaries and intersplat boundaries on deformation behavior of cold sprayed components
Correlating the microstructure and mechanical properties of additively manufactured Al-Ce alloys using in-situ micromechanical testing
Crack-Free Three-Dimensional Electrical Interconnects 3D Printed on Soft PDMS Substrates
Deciphering the Fundamental Cause of Shape Distortion in Sintering-based Additive and Non-additive Manufacturing Processes
Deformation and Microstructure Development in DED-AM structures via Dark Field X-ray Microscopy and in situ imaging
Deformation mechanism of selective laser melted 316L stainless steel and its cellular substructure dependence
Descriptor for laser scan strategies in powder bed fusion for use in neural network predictions
Designing additive layered manufacturing inspired damage tolerant architectures
Effect of Cr addition on the microstructure and mechanical properties of additively manufactured GRCop-84
Effect of LPBF Parameters on Post Heat treatment Microstructure and Sub-sized Tensile Properties of LPBF Inconel 718
Effect of skin microstructure on the bending properties of additively manufactured IN625 beams
Effects of processing parameters on residual stresses in commercially pure Ti
Engineering Crystallographic Texture in Additively Manufactured Metals
Formation of dislocation structures in rapid solidification in the presence of intra-grain cellular solute segregation using phase field modeling and crystal plasticity
Hardening Rate Dependent Deformation Behavior of Additively Manufactured Inconel 718 during Nano-scratch
Harnessing Non Equilibrium Processing in Additive Manufacturing
High-speed nanoindentation mapping of titanium alloys made by additive manufacturing
High-throughput synthesis and testing of novel alloys for additive manufacturing
Impact of powder interstitial hydrogen on the mechanical properties of tantalum cold sprayed coatings
In situ Investigation on the Multi-Scale Deformation Mechanisms in Additively Manufactured Hierarchical Boron Nitride Nanotube Based Composites
Indentation-derived mechanical properties of Ti-6Al-2Sn-4Zr-2Mo alloy fabricated through laser-powder bed fusion
Intentional and Unintentional Spatial Variation in Laser Powder Bed Fusion
Investigating Microstructural Features of 304L Stainless Steel Friction-Stir Weld with Indentation Methods
Investigating the influence of scan strategy and small-scale geometrical complexity on the microstructure and mechanical properties of thin wall SLM IN718
Investigations of Toughening Mechanisms in Nanoarchitected Polymers
Laser scan length: a new parameter to tune the thermal buildup in laser powder bed fusion processes
Mechanical microscopy of additively-manufactured steels using high-speed nanoindentation
Mechanical properties of single struts made by laser powder-bed fusion: effects of melt-track transient states and process parameters
Mechanical Response of “Meta-Polycrystalline” Steel 316L Produced by Laser Powder Bed Fusion
Melt Pool-Scale Monitoring of Laser Powder Bed Fusion
Micromechanical study of microstructurally heterogenous and hierarchical additive manufactured material using high-resolution nanoindentation mapping
Microstructure and Mechanics of Hydrogel Enabled Additively Manufactured Metals and Metal Alloys
Microstructure Characterization of As-Sprayed and Post-Processed Cold-Spray Materials
Multi-scale dynamic strain measurement and machine learning optimization to uncover solidification dynamics of Ti-5553 L-PBF melt pools
Multi length-scale in-situ monitoring of AM processes: towards prediction of local defects and properties
On the influence of the representative volume elements size on predicting dislocation microstructure evolution in laser additive manufacturing metals
On the origin of the solidification texture in cubic alloys produced by laser powder bed fusion: Melt pool geometry versus local thermal gradients
Plastic Strain Visualization and Analysis of Laser Processed Nickel Single Crystals and Polycrystalline 316L
Probing Heterogenous Mechanical Properties in AM Materials due to Melt Pool Boundaries
Probing the mechanism of healing micropores in additive manufacturing Al-Li alloys using high resolution X-ray Computed Tomography
Quasi-static Mechanical Properties of As-printed Thin Wall Inconel 718 Manufactured with Laser Powder Bed Fusion: Effects of Thickness and Hot Isostatic Pressing
Strategies for Functional Grading using Additive Manufacturing
Synchronous Involvement of Topology and Microstructure to Design Additively Manufactured Lattice Structure
Tailoring The Microstructure for Superior Mechanical Properties and Wear Resistance of Direct Energy Deposited AISI D2 Tool Steel via Post-Heat Treatments.
Temperature-dependent evolution of dislocation microstructure and mechanical properties of SLM-316L stainless steel
Temperature field evolution during the SLM process of AlSi10Mg
The Effect of Defects on Additive Manufacturing Material at the Microscale – Approaches to Manage the Consequences
The Effect of Extrusion and aging on the Mechanical Properties of Additively Manufactured AlSi10Mg
The effect of heat treatment on full-field damage evolution in laser powder bed fusion-manufactured 316L stainless steel
The Effect of Microstructural Features on the Mechanical Properties of Additively Manufactured Metals and Alloys
The role of microstructure on the creep response of additively manufactured IN718 using crystal plasticity
Three-pronged approach to prediction of polymer-additive system rheology
Understanding the influence of microstructure and voids during induced spall failure of additive manufactured stainless steel
What Can We Learn from Micromechanical Testing: A Case Study for EBM-Produced Ti-6Al-4V

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