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Meeting MS&T21: Materials Science & Technology
Symposium Additive Manufacturing: Advanced Characterization for Industrial Applications
Sponsorship TMS Advanced Characterization, Testing, and Simulation Committee
TMS Additive Manufacturing Bridge Committee
Organizer(s) Nadia Kouraytem, University of Utah
Fan Zhang, National Institute of Standards and Technology
Lianyi Chen, University of Wisconsin-Madison
Scope Additive manufacturing (AM) refers to a suite of transformative technologies that enable production of metallic components with complex shape and geometry and facilitate on-demand fabrication of metal parts under austere field conditions. AM technologies, by definition, are industry- and application- oriented. However, AM technologies are not yet widely deployed in industrial settings, with part qualification and certification presenting major challenges. These challenges, if not properly addressed, will inevitably impede the growth of AM technologies.

These challenges are fundamentally rooted in the various aspects of the nonequilibrium fabrication process, for example, inherent variations in the directionality and magnitude of thermo-mechanical strain and temperature gradients, that lead to the formation of heterogeneous microstructures and subsequently nonuniform mechanical properties. Conventional qualification procedures, such as those related to non-destructive evaluation, are often inadequate to reliably detect geometric and non-geometric anomalies. This calls for advanced characterization techniques, especially those in-situ and in-operando techniques, to provide process monitoring and non-destructive evaluation and to close the feedback loop for fabrication of defect-free AM components. The in-situ data, in turn, can be used to validate and provide input for numerical models to predict process-structure-property relationships geared toward industry.

This symposium invites submissions that focus on the use of advanced characterization techniques to investigate metal AM tailored to or closely aligned with industrial applications. Example techniques include, but not limited to, neutron and synchrotron X-ray techniques, optical imaging, thermal imaging, and acoustic detection. Studies that aim at advancing and transitioning AM applications from the research lab environment to industrial applications are desired. We encourage abstracts in the broad areas of:

1. Monitoring of powder spreading

2. Sensing and monitoring defect formation

3. In-situ monitoring of fabrication of parts with tailored microstructures

4. Advanced characterization of mechanical behavior of AM parts, especially their quasi-static or dynamic behaviors in extreme conditions of pressure and temperature.

5. Industry-oriented modeling and numerical simulation that are validated by in-situ measurements.

The goal of this symposium is to share current progress on the application of state-of-the-art advanced characterization techniques to support industrial commercialization of metal AM and promote exchange between the AM industry and scientific community regarding the industrial needs to meet the qualification and certification requirements.

Abstracts Due 04/15/2021
Proceedings Plan Undecided
PRESENTATIONS APPROVED FOR THIS SYMPOSIUM INCLUDE

In-situ Quality Monitoring of PBF AM Parts
A Machine-learning Based Framework for In-situ Detection of Potential Flaw Formation during Directed Energy Deposition, Metal Additive Manufacturing
Characterizing Powder Spreading Dynamics in Powder Bed Fusion AM Process by High-speed X-ray Imaging
Domain Adaption for Enhanced X-ray CT Reconstruction of Metal Additively Manufactured Parts
Gradient Alloy Heat Exchanger Manufacturing for Energy Applications
In-situ Characterization of Pore Formation Dynamics in Pulsed Wave Laser Powder Bed Fusion
In-situ X-ray and Infra-red Monitoring for Defect Detection in Laser Powder Bed Fusion
Investigation of the Protective Mixture Influence on the Heat Input Meaning for the Layered Electric Arc Surfacing of Aluminum Alloys AlSi5 and AlMg5
Moisture Impacts in AM Metal Powders Characterized by Karl Fischer Oven Titration and Avalanche Rheometry
Operando Synchrotron X-ray Studies of Metal Additive Manufacturing: From Fundamentals to Industrial Applications
Predicting Failure Location in Additively Manufactured Metals Using an Improved Void Descriptor Function
Synchrotron Characterization of Hot Cracking and Related Topics
Tensile Behavior of Metal AM Lattice Structures
The Effect of the Cross-sectional Area on the Microstructure and Mechanical Properties of AlSi10Mg Parts Manufactured by Laser Powder Bed Fusion (L-PBF)
The Influence of the Characteristic Microstructure of Additively Manufactured AlSi10Mg on the Mechanical Behaviour at Various Strain Rates
Thermo-mechanical Behavior of AM and Wrought IN718 Under High-strain-rate Tensile Deformation
Understanding the Keyhole Dynamics in Laser Welding Using Time-resolved X-ray Imaging Coupled with Computer Vision and Data Analytics


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