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Thermal Plasma Spheroidization and Characterization of Stainless Steel Powders Using Direct Current Plasma Technology

TitoloThermal Plasma Spheroidization and Characterization of Stainless Steel Powders Using Direct Current Plasma Technology
Tipo di pubblicazioneArticolo su Rivista peer-reviewed
Anno di Pubblicazione2024
AutoriIovane, Pierpaolo, Borriello Carmela, Pandolfi Giuseppe, Portofino Sabrina, Rametta Gabriella, Tammaro Loredana, Fedele Nicola, and Galvagno Sergio
RivistaPlasma
Volume7
Paginazione76 – 90
Type of ArticleArticle
ISSN25716182
Abstract

The production of spherical powders has recently registered a boost due to the need to fabricate new printing materials for Additive Manufacturing applications, from polymers and resins to metals and ceramics. Among these materials, stainless steels powders play a leading role, since they are widely used in industry and everyday life; indeed, micron-sized spherical stainless steel powders have specific characteristics and are considered as one of the best candidates for Additive Manufacturing systems and for application in a wide range of sectors. In this paper, stainless steel 316 L powders were used to explore and identify the best process parameters of a thermal plasma process able to produce spherical powders for Additive Manufacturing applications. X-ray Diffraction, Scanning Electron Microscopy, Particle Size Distribution and Flowability analysis were performed to characterize reagents and products. Powders with a high circularity (>0.8) and improved flowability (<30 s/50 g) were successfully obtained. The collected results were compared with data available from the literature to identify the potential use of the spherical produced powders. © 2024 by the authors.

Note

Cited by: 0; All Open Access, Gold Open Access

URLhttps://www.scopus.com/inward/record.uri?eid=2-s2.0-85188886402&doi=10.3390%2fplasma7010006&partnerID=40&md5=fc84473b53ec684ed76a1db7d6f1394f
DOI10.3390/plasma7010006
Citation KeyIovane202476