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Meeting 2021 TMS Annual Meeting & Exhibition
Symposium Additive Manufacturing Fatigue and Fracture V: Processing-Structure-Property Investigations and Application to Qualification
Sponsorship TMS Structural Materials Division
TMS: Additive Manufacturing Committee
TMS: Mechanical Behavior of Materials Committee
Organizer(s) Nik Hrabe, National Institute of Standards and Technology
John J. Lewandowski, Case Western Reserve University
Nima Shamsaei, Auburn University
Mohsen Seifi, ASTM International/Case Western Reserve University
Steve Daniewicz, University of Alabama
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 seven sessions:
1. Microstructure-based Fatigue Studies on Additive-Manufactured Materials (Jointly organized with Fatigue in Materials Symposium)
2. Small-Scale Fatigue and Fracture Test Methods
3. Corrosion and other Environmental Effects on Fatigue and Fracture
4. Residual Stress Effects on Fatigue and Fracture
5. Toward Fatigue Lifing Techniques
6. Surface Roughness Effects on Fatigue and Fracture
7. Role of Non-Destructive Evaluation (NDE) Techniques in Fatigue and Fracture

Processing-structure-property-performance relationships pertinent to this symposium include the following. 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 07/01/2020
Proceedings Plan Undecided
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