About this Abstract |
Meeting |
MS&T21: Materials Science & Technology
|
Symposium
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Additive Manufacturing of Metals: Microstructure, Properties and Alloy Development
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Presentation Title |
Creation of Process Representative Flaws and Their Impact on the Mechanical Properties L-PBF Inconel 718 |
Author(s) |
Jacob Rindler, David Schick, Peter Daum, Adam Sutton, Michael Groeber |
On-Site Speaker (Planned) |
Jacob Rindler |
Abstract Scope |
Laser powder bed fusion additive manufacturing (L-PBF AM) has become increasingly popular for rapidly manufacturing complex light weight components. Highly regulated industries such as aerospace and energy require rigorous characterization to understand material properties and the effect of flaws. These are the major factors that drive the design of the component, qualification requirements, inspection technique, and inspection interval. In order to prove inspection techniques are capable of reliably detecting flaws within AM components a method to precisely seed flaws is required. This presentation will share methodologies for intentionally seeding process representative flaws with a known morphology, size, and location into otherwise nominally printed parts. The authors will also present low-cycle fatigue and tensile test results from specimens with and without the seeded flaws. Attendees of this talk will learn about methods for intentionally seeding realistic process flaws that will aid them in AM part and process qualification efforts. |