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Article

The Influence of Heat Treatment on Low Cycle Fatigue Properties of Selectively Laser Melted 316L Steel

1
Faculty of Mechanical Engineering, Institute of Robots & Machine Design, Military University of Technology, 2 Gen. S. Kaliskiego St., 00-908 Warsaw, Poland
2
Department of Ceramics and Composites, Institute of Ceramics and Building Materials, 9 Postepu St., 02-676 Warsaw, Poland
3
Faculty of Civil Engineering and Geodesy, Military University of Technology, 2 Gen. S. Kaliskiego St., 00-908 Warsaw, Poland
*
Author to whom correspondence should be addressed.
Materials 2020, 13(24), 5737; https://doi.org/10.3390/ma13245737
Received: 25 November 2020 / Revised: 14 December 2020 / Accepted: 15 December 2020 / Published: 16 December 2020
The paper is a project continuation of the examination of the additive-manufactured 316L steel obtained using different process parameters and subjected to different types of heat treatment. This work contains a significant part of the research results connected with material analysis after low-cycle fatigue testing, including fatigue calculations for plastic metals based on the Morrow equation and fractures analysis. The main aim of this research was to point out the main differences in material fracture directly after the process and analyze how heat treatment affects material behavior during low-cycle fatigue testing. The mentioned tests were run under conditions of constant total strain amplitudes equal to 0.30%, 0.35%, 0.40%, 0.45%, and 0.50%. The conducted research showed different material behaviors after heat treatment (more similar to conventionally made material) and a negative influence of precipitation heat treatment of more porous additive manufactured materials during low-cycle fatigue testing. View Full-Text
Keywords: additive manufacturing; selective laser melting; mechanical properties; fatigue properties; heat treatment; hot isostatic pressing; 316L austenitic steel additive manufacturing; selective laser melting; mechanical properties; fatigue properties; heat treatment; hot isostatic pressing; 316L austenitic steel
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MDPI and ACS Style

Kluczyński, J.; Śnieżek, L.; Grzelak, K.; Torzewski, J.; Szachogłuchowicz, I.; Oziębło, A.; Perkowski, K.; Wachowski, M.; Małek, M. The Influence of Heat Treatment on Low Cycle Fatigue Properties of Selectively Laser Melted 316L Steel. Materials 2020, 13, 5737. https://doi.org/10.3390/ma13245737

AMA Style

Kluczyński J, Śnieżek L, Grzelak K, Torzewski J, Szachogłuchowicz I, Oziębło A, Perkowski K, Wachowski M, Małek M. The Influence of Heat Treatment on Low Cycle Fatigue Properties of Selectively Laser Melted 316L Steel. Materials. 2020; 13(24):5737. https://doi.org/10.3390/ma13245737

Chicago/Turabian Style

Kluczyński, Janusz, Lucjan Śnieżek, Krzysztof Grzelak, Janusz Torzewski, Ireneusz Szachogłuchowicz, Artur Oziębło, Krzysztof Perkowski, Marcin Wachowski, and Marcin Małek. 2020. "The Influence of Heat Treatment on Low Cycle Fatigue Properties of Selectively Laser Melted 316L Steel" Materials 13, no. 24: 5737. https://doi.org/10.3390/ma13245737

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