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About this Abstract
Meeting 2026 Annual International Solid Freeform Fabrication Symposium (SFF Symp 2026)
Symposium 2026 Annual International Solid Freeform Fabrication Symposium (SFF Symp 2026)
Presentation Title A Compact Test Artifact for Evaluating Fracture-Relevant Material Behavior in Laser Powder Bed Fusion
Author(s) Sina Nejati Eghteda, Albert C. To
On-Site Speaker (Planned) Sina Nejati Eghteda
Abstract Scope Qualification of laser powder bed fusion (LPBF) builds typically requires destructive mechanical testing of separately fabricated specimens, adding significant cost and turnaround time to the manufacturing workflow. This work presents a compact test artifact that can be printed alongside LPBF production parts and evaluated on the build plate to provide indicators of fracture-relevant material behavior. The artifact geometry is designed so that controlled loading produces a measurable mechanical response sensitive to variations in material condition arising from different process parameters and defect populations. Artifacts fabricated under a range of LPBF conditions are evaluated, and the extracted response metrics are compared against results from standard fracture specimens to assess directional agreement. Preliminary findings indicate that the artifact response differentiates between process conditions associated with distinct defect characteristics. The approach offers a potential pathway toward faster, lower-cost assessment of build quality in LPBF production environments.
Proceedings Inclusion? Undecided

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