Investigation of additive manufacturing from the heat-resistant steel powder produced by recycling of the machining chips. (April 2021)

• Record Type: Journal Article
• Authors: Razumov, N.G.; Masaylo, D.V.; Silin, A.O.; Borisov, E.V.; Ozerskoy, N.E.; Goncharov, I.S.; Popovich, A.A.
• Is Part Of: Journal of manufacturing processes. Volume 64(2021)
• Page Start: 1070
• Page End: 1076
• Publication Date: 2021-04
• Subjects: Additive manufacturing -- Plasma spheroidization -- Spherical powder -- High-alloyed heat-resistant stee -- Machining chips recycling; Production management -- Data processing -- Periodicals; Manufacturing processes -- Periodicals; Procestechnologie; Productietechniek; Production -- Gestion -- Informatique -- Périodiques; Fabrication -- Périodiques; Manufacturing processes; Production management -- Data processing; Periodicals; 670.5
• DOI: 10.1016/j.jmapro.2021.02.025
• Languages: English
• ISSNs: 1526-6125

Abstract

Highlights: The spherical powders of the heat-resistant steel were obtained by milling and plasma spheroidization of the machining chips. It's particles shape and size meet the requirements for additive manufacturing. Mechanical properties after selective laser melting and direct metal deposition shows high strength but low plasticity due to the high quenching stresses. After heat treatment, the mechanical properties at room and elevated temperature are higher than in reference document (produced by rolling). Abstract: The paper presents the results of the investigation into the manufacturing of spherical powder from machining chips of heat-resistant Fe-11Cr-1.5Ni-0.2V-0.4Mo-0.1C steel. The obtained powder was used to manufacture bulk samples by additive manufacturing methods (SLM and DED). A comparative analysis of the chemical composition and mechanical characteristics of the samples meets the requirements of the reference document (RD).