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Comparative microstructural and corrosion development of VCrNiCoFeCu equiatomic multicomponent alloy produced by induction melting and spark plasma sintering
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering, Applied Material Physics. Materials Science Group, Dalarna University, 791 88 Falun, Sweden.
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2018 (English)In: IOP Conference Series: Materials Science and Engineering, Institute of Physics Publishing , 2018, no 1Conference paper, Published paper (Refereed)
Abstract [en]

The present study focuses on the corrosion behavior of a single-phase FCC high entropy alloy (VCrNiCoFeCu) casted by two different methods: induction melting and spark plasma sintering. The corrosion resistance has been evaluated using immersion tests in 3.5% NaCl solution, the potentiodynamic polarization measurements and the results are compared how is dependent the corrosion rate as a function of the production methods. Our results show that induction melted sample is stable in salty environment. On the other hand, based on the changes of polarization curves, there must be an evolution of oxide films on the SPSed sample until reaching the stable oxide layer. 

Place, publisher, year, edition, pages
Institute of Physics Publishing , 2018. no 1
Keywords [en]
Chromium alloys, Cobalt alloys, Copper alloys, Corrosion rate, Corrosion resistance, Corrosive effects, Iron alloys, Melting, Oxide films, Polarization, Sodium chloride, Spark plasma sintering, 3.5% nacl solutions, Corrosion behavior, High entropy alloys, Multi-component alloy, Polarization curves, Potentiodynamic polarization measurements, Production methods, Salty environments, Copper corrosion
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-227379DOI: 10.1088/1757-899X/329/1/012016ISI: 000432425000016Scopus ID: 2-s2.0-85045134705OAI: oai:DiVA.org:kth-227379DiVA, id: diva2:1211172
Conference
Symposium on Solutions for Critical Raw Materials Under Extreme Conditions 2017, 18 September 2017 through 21 September 2017
Note

Conference code: 135465; Export Date: 9 May 2018; Conference Paper; Funding details: ENEA, European Neuroendocrine Association; Funding details: 17-73-20272, RSF, Russian Science Foundation; Funding details: 15053; Funding text: This work was supported in part by EIT KIC Raw Materials NoI 15053 "EXTREME" project coordinated by ENEA. The work was carried out with financial support in part from the Russian Science Foundation, project No. 17-73-20272. QC 20180530

Available from: 2018-05-30 Created: 2018-05-30 Last updated: 2018-05-30Bibliographically approved

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  • apa
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