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Volume 12
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10.3390/met12081283
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Article

Study of Material Properties and Creep Behavior of a Large Block of AISI 316L Steel Produced by SLM Technology

by
Šárka Hermanová
1,*,
Zdeněk Kuboň
1,
Petr Čížek
1,
Jana Kosňovská
1,
Gabriela Rožnovská
1,
Ondřej Dorazil
1 and
Marcela Cieslarová
2
1
Material and Metallurgical Research Ltd., Pohraniční 693/31, 703 00 Ostrava, Czech Republic
2
Strojírny a stavby Třinec, a.s., 739 61 Třinec, Czech Republic
*
Author to whom correspondence should be addressed.
Metals 2022, 12(8), 1283; https://doi.org/10.3390/met12081283
Submission received: 30 June 2022 / Revised: 25 July 2022 / Accepted: 26 July 2022 / Published: 29 July 2022
(This article belongs to the Section Additive Manufacturing)
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Abstract

The additive manufacturing (3D printing) of metallic materials is a relatively new technology and its use is quickly increasing. Although it is of interest to many researchers, there are still areas which are not fully explored. One of those areas is the behavior of large components and/or semi-products processed by 3D printing. This work is focused on the study of material properties of additive manufactured large block made of AISI 316L steel in two heat treatment conditions (as-printed and solution annealed) and their comparison with the properties of hot-rolled plate performed by tensile tests, Charpy V-notch tests, small punch tests and stress rupture tests. Mechanical tests were complemented by microstructural investigation and the fractographic analysis of fracture surfaces. We found out that mechanical and long-term properties of large 3D printed blocks of this steel are excellent and comparable with other published results obtained on small-sized and intentionally produced test pieces. The observed lower ductility is the result of printing imperfections in microstructure. The results of small punch tests confirmed the possibility of exploiting the existing database and using the correlation between small punch tests and tensile tests results even for 3D-printed AISI 316L steel.
Keywords: additive manufacturing; steel AISI 316L; mechanical properties; small punch tests; stress-rupture tests additive manufacturing; steel AISI 316L; mechanical properties; small punch tests; stress-rupture tests

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MDPI and ACS Style

Hermanová, Š.; Kuboň, Z.; Čížek, P.; Kosňovská, J.; Rožnovská, G.; Dorazil, O.; Cieslarová, M. Study of Material Properties and Creep Behavior of a Large Block of AISI 316L Steel Produced by SLM Technology. Metals 2022, 12, 1283. https://doi.org/10.3390/met12081283

AMA Style

Hermanová Š, Kuboň Z, Čížek P, Kosňovská J, Rožnovská G, Dorazil O, Cieslarová M. Study of Material Properties and Creep Behavior of a Large Block of AISI 316L Steel Produced by SLM Technology. Metals. 2022; 12(8):1283. https://doi.org/10.3390/met12081283

Chicago/Turabian Style

Hermanová, Šárka, Zdeněk Kuboň, Petr Čížek, Jana Kosňovská, Gabriela Rožnovská, Ondřej Dorazil, and Marcela Cieslarová. 2022. "Study of Material Properties and Creep Behavior of a Large Block of AISI 316L Steel Produced by SLM Technology" Metals 12, no. 8: 1283. https://doi.org/10.3390/met12081283

APA Style

Hermanová, Š., Kuboň, Z., Čížek, P., Kosňovská, J., Rožnovská, G., Dorazil, O., & Cieslarová, M. (2022). Study of Material Properties and Creep Behavior of a Large Block of AISI 316L Steel Produced by SLM Technology. Metals, 12(8), 1283. https://doi.org/10.3390/met12081283

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