Issue 77

S. Spiller et alii, Fracture and Structural Integrity, 77 (2026) 386-404; DOI: 10.3221/IGF-ESIS.77.22

Fatigue behavior of 17-4 PH parts produced by Material Extrusion Additive Manufacturing: A study on thickness and notch effects

Saveria Spiller Norwegian University of Science and Technology, Trondheim, Norway (Current address: University of Padova, Italy) saveria.spiller@unipd.it https://orcid.org/0009-0007-5924-4623 Armin Habibiyan Norwegian University of Science and Technology, Trondheim, Norway (Current address: Katholieke Universiteit Leuven, Belgium) armin.habibiyan@kuleuven.be, https://orcid.org/0009-0008-3242-5093 Ole-Bjørn Ellingsen Moe Mechatronics Innovation Lab, Grimstad, Norway Ole-Bjorn@mil-as.no Sara Bagherifard Politecnico di Milano, Milan, Italy sara.bagherifard@polimi.it https://orcid.org/0000-0002-5757-2785 Nima Razavi Norwegian University of Science and Technology, Trondheim, Norway nima.razavi@ntnu.no https://orcid.org/0000-0002-2574-065X

Citation: Spiller, S., Habibiyan, A., Ellingsen Moe, O., Bagherifard, S., Razavi, N., Fatigue behavior of 17-4 PH parts produced by Material Extrusion Additive Manufacturing: A study on thickness and notch effects, 77 (2026) 386-404.

A BSTRACT . 17-4 PH specimens were produced using the three-step process referred to as Material Extrusion Additive Manufacturing (MEAM), which involves printing components with a composite feedstock of metal powder and polymers, followed by a debinding process to remove the polymer, and a final sintering process to obtain the finished metallic part. The process enables the production of metallic components at a limited cost and with reduced safety issues in comparison to other additive manufacturing processes. With the goal of exploring and evaluating the fatigue properties of 17-4 PH MEAM

Received: 28.04.2026 Accepted: 04.06.2026 Published: 13.06.2026 Issue: 07.2026

Copyright: © 2026 This is an open access article under the terms of the CC-BY 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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