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Meeting 2020 TMS Annual Meeting & Exhibition
Symposium Additive Manufacturing Fatigue and Fracture IV: Toward Confident Use in Critical Applications
Sponsorship
Organizer(s) Nikolas Hrabe, National Institute of Standards and Technology - Boulder
Steve Daniewicz, University of Alabama
Nima Shamsaei, Auburn University
John J. Lewandowski, Case Western Reserve University
Mohsen Seifi, ASTM International/Case Western Reserve University
Scope The current understanding of fatigue and fracture behavior of additive manufacturing metals is limited and must be expanded before widespread use in fatigue and fracture critical applications can be fully realized. It is the purpose of this symposium to move toward that expanded understanding by providing a forum to present research results from investigations into fatigue and fracture behavior of additive manufacturing of metals.

The symposium will be organized into six sessions:
• Microstructure-based Fatigue Studies on Additive-Manufactured Materials (Jointly organized with Fatigue in Materials Symposium)
• Development of New Fatigue and Fracture Test Methods (e.g. small-scale testing)
• Environmental Effects on Fatigue and Fracture
• Development of Predictive Design Tools (e.g. fatigue lifing techniques, critical flaw size measurements)
• Role of Non-Destructive Evaluation (NDE) Techniques
• Quantitative Processing-Structure-Properties-Performance Investigations (more detail below)

To further specify the scope of the processing-structure-property-performance investigations, processing includes machine settings (e.g. layer thickness), melt parameters (e.g. energy density), post-processing (e.g. heat treatment, surface treatment), and feedstock variables (e.g. flowability, spreadability, particle size distribution) that can directly impact fatigue and fracture performance of parts. Structure includes crystallographic microstructure (e.g. texture), internal defects (e.g. pores, inclusions), external defects (e.g. surface roughness), residual stress, and chemistry. Properties include all fatigue and fracture properties (e.g. high-cycle fatigue, low-cycle fatigue, linear elastic fracture toughness (KIc), elastic-plastic fracture toughness (J-int), fatigue crack growth rate, and impact toughness (Charpy)). Performance includes any end-product testing.
Abstracts Due 07/01/2019
Proceedings Plan Undecided
PRESENTATIONS APPROVED FOR THIS SYMPOSIUM INCLUDE
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