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Meeting 2023 TMS Annual Meeting & Exhibition
Symposium Quantifying Microstructure Heterogeneity for Qualification of Additively Manufactured Materials
Presentation Title Opportunities & Challenges with Laser Powder Bed Fusion for Automotive Applications: Steel and Aluminum Alloys
Author(s) Whitney Poling, Andrew Bobel, Md Ashabul Anam, Mark Smith, Tyson Brown, Anil Sachdev
On-Site Speaker (Planned) Whitney Poling
Abstract Scope Metal additive manufacturing is a rapidly growing technology that offers many potential benefits to the automotive industry, such as functional prototyping, more design flexibility leading to light weighting and/or improvement in part performance, and the potential to reduce the cost and time associated with tooling for specific low volume part designs. Current challenges for implementing this technology for automotive manufacturing include expanding availability of automotive grade alloys, increasing throughput of machines, and controlling part quality, properties, and repeatability. This talk will focus on the development of GM custom aluminum and steel alloys for laser powder bed fusion systems. These alloys are designed to be low cost, tailored for AM processing, and applicable to a variety of vehicle applications. Microstructures and mechanical properties of samples built with these alloys will be discussed. The approach of minimizing post-processing to improve throughput will also be discussed.
Proceedings Inclusion? Planned:
Keywords Additive Manufacturing, Aluminum, Iron and Steel

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

3D Computer Vision and Machine Learning for Porosity Analysis in Additive Manufacturing
A study of microstructural and mechanical properties of 14YWT Oxide Dispersion Strengthened steel fabricated using Laser Powder Bed Fusion Additive Manufacturing from Gas Atomized Reaction Synthesis feedstock
Additive Manufacturing beyond the Gaussian Beam: Insights from Microstructure-based Modeling Studies
Build Geometry and Parameter Influence on Alloy 718 Microstructure, Properties and Spatial Variation in Additive Manufacturing
Characterization of Titanium Additions in Selectively Laser Melted High-Strength Aluminum Alloy by Correlative X-Ray and Electron Microscopy
Control of Residual Stress and Distortion in Metal Additive Manufacturing via Inverse Mapping of Textures
Correlative Modeling of Laser Powder Bed Fusion Surface Characteristics to Internal Defects
Effects of Laser Process Parameters on Denudation Zone Width in Laser Powder Bed Fusion Additive Manufacturing
Effects of Processing Conditions and Build Geometry on Microstructure Development in Laser Powder Bed Fusion and Wire Arc Additively Manufactured 316L
Heterogeneous Microstructure and Location-Specific Mechanical Performance of Ti-6Al-4V Parts Made by Laser Directed Energy Deposition
In situ monitoring of recrystallization during Laser Powder Bed Fusion of 316L stainless steel by means of Synchrotron X-ray diffraction
Intentionally Seeding Pores in Laser Powder Bed Fusion IN718: Microstructure, Defects, and Fatigue
Investigating the potential of indentation-based methods for microstructure heterogeneity assessment during manufacturing
Large-scale image analysis of melt pools in complex additively manufactured artifacts
Location specific characterization of additively manufactured stainless steel to inform build data analytics
Long-term Process Stability in Laser Powder Bed Fusion
Microstructural and Mechanical Validation of Thin-Walled Additively Manufactured Inconel 625
Microstructure and mechanical property variations in commercially produced laser powder bed fusion 316L stainless steel
Microstructure Evolution According to Heat Treatment Design of Alloy 625 Produced by Selective Laser Melting
NASA’s approach on the evaluations of “material engineering equivalence” methodology in achieving and sustaining efficient qualification and certification of AM materials and parts
Opportunities & Challenges with Laser Powder Bed Fusion for Automotive Applications: Steel and Aluminum Alloys
Optimizing Creep Performance of Haynes 282 Printed via Laser Powder Bed Fusion through Microstructure Control
Predicting Crystallographic Texture in Laser Powder Bed Fusion via a Machine Learning Approach
Quantification of Microstructural Heterogeneities in Additively Manufactured and Heat-Treated Haynes 282
Quantitative Analysis of Computed Tomography Characterization of Porosity in AM Ti64 using Serial Sectioning Ground Truth
Quantitative analysis of low concentration elements at the nanoscale in additively manufactured alloys
Strategizing with hot isostatic pressing treatments to increase productivity during post-processing of laser-melted Inconel 718 parts
Strong impact of minor elements on the microstructural evolution of an additively manufactured Inconel 625 alloy
Synchrotron-based X-ray microtomography characterization of solidification cracks in additively manufactured IN738LC alloy
The Effect of Beam Shaping Strategies on Additively Manufactured Microstructures
The impact of volumetric energy density on mechanical properties of additively manufactured 718 Ni alloy
Towards Validation of Thermo-Mechanical Finite Element Modeling of the Additive Manufacturing Solidification Process
Use of Profilometry-based Indentation Plastometry (PIP) to Study Inhomogeneities in Additively Manufactured Components
X-ray Diffraction Peak Estimation Using In-Situ Melt-pool Sensors

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