Manufacturing Technology 2022, 22(3):261-266 | DOI: 10.21062/mft.2022.042

Effects of Heat Treatment on Additively Manufactured 316L Stainless Steel

Karolína Burdová ORCID..., Hana Jirková ORCID..., Ludmila Kučerová ORCID..., Ivana Zetková ORCID..., Josef Mach ORCID...
Regional Technological Institute, Faculty of Mechanical Engineering, University of West Bohemia in Pilsen, Univerzitni 8, 306 14 Pilsen, Czech Republic

The microstructure and mechanical properties of selectively laser melting (SLM)-manufactured 316L stainless steele were evaluated by scanning electron microscopy, tensile testing at ambient tempera-ture and Charpy impact test. These samples were compared with as-built samples. Following heat treatment conditions were used: 500 °C for 2/4 hours, 650 °C for 2 hours and 900 °C for 1 hour. Coo-ling took place in furnace and in furnace with opened valve. Compared to as built samples the heat treatment at lower temperature negatively influenced elongation but increased the amount of energy absorbed by material during fracture.

Keywords: Additive manufacturing, Heat treatment, Stainless steel, 316L
Grants and funding:

The present contribution has been prepared under project ITI CZ.02.1.01/0.0/0.0/18_069/0010040, "Research of additive technologies for future application in mechanical engineering practice - RTI plus"; under the auspices of the National Sustainability Programme I of the Ministry of Education of the Czech Republic aimed at supporting research, experimental development and innovation.

Received: August 30, 2021; Revised: June 22, 2022; Accepted: June 22, 2022; Prepublished online: June 22, 2022; Published: July 1, 2022  Show citation

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Burdová K, Jirková H, Kučerová L, Zetková I, Mach J. Effects of Heat Treatment on Additively Manufactured 316L Stainless Steel. Manufacturing Technology. 2022;22(3):261-266. doi: 10.21062/mft.2022.042.
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