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Title: Structural and micromechanical properties of 316L stainless steel produced by selective laser melting
Authors: Makarov, A. V.
Kuznetsov, V. P.
Sirosh, V. A.
Volkova, E. G.
Skorynina, P. A.
Merkushev, A. G.
Issue Date: 2020
Publisher: IOP Publishing Ltd
Citation: Structural and micromechanical properties of 316L stainless steel produced by selective laser melting / A. V. Makarov, V. P. Kuznetsov, V. A. Sirosh, et al. — DOI 10.1088/1757-899X/1008/1/012005 // IOP Conference Series: Materials Science and Engineering. — 2020. — Vol. 1008. — Iss. 1. — 012005.
Abstract: The structure and micromechanical properties of a 316L stainless steel produced by the selective laser melting (SLM) technique have been studied in its initial state and the following heat treatment: quenching from 1050 ºС and 4-hour annealing at 480 ºС. The heat treatment does not result in changing the steel phase composition, however, it reduces the microhardness by 5%, HM hardness (Martens hardness) by 12% and indentation hardness by 16% at HIT maximum load. The heat treatment also increases the Е* contact elasticity modulus by 14% due to the lower porosity of the material. As soon as heat treatment provides no strengthening of the steel synthesized by SLM, deformation processing, chemicothermal treatment and application of thin coatings may become quite promising strengthening methods. © 2020 Institute of Physics Publishing. All rights reserved.
Access: info:eu-repo/semantics/openAccess
SCOPUS ID: 85099967955
PURE ID: 20894969
ISSN: 17578981
DOI: 10.1088/1757-899X/1008/1/012005
metadata.dc.description.sponsorship: The main results were funded by the RFBR and Sverdlovsk Oblast, project number 20-48-660065. The results of the electron diffraction phase analysis were obtained by the M.N. Mikheev Institute of Metal Physics of the Ural Branch of the Russian Academy of Sciences (IMP UB RAS) within the state assignment of Ministry of Science and Higher Education of the Russian Federation (theme “Structure” No. № АААА-А18-118020190116-6). The studies were performed at the collaborative access center “Testing center of nanotechnology and advanced materials” of IMP UB RAS.
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