A comparative study of the feasibility of cellular MAX phase preforms formation by microwave-assisted SHS and SPS techniques

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dc.contributor.authorDmitruk, Anna
dc.contributor.authorLagos, M.A.
dc.contributor.authorNaplocha, Krzysztof
dc.contributor.authorEgizabal, Pedro
dc.contributor.institutionEXTREMAT
dc.contributor.institutionTecnalia Research & Innovation
dc.date.issued2020-05
dc.descriptionPublisher Copyright: © 2020. The Author(s).
dc.description.abstractTwo methods were evaluated in terms of manufacturing of MAX phase preforms characterized with open porosity: microwaveassisted self-propagating high-temperature synthesis (SHS) and spark plasma sintering (SPS). The main purpose of fabrication of such open-porous preforms is that they can be successfully applied as a reinforcement in metal matrix composite (MMC) materials. In order to simulate the most similar conditions to microwave-assisted SHS, the sintering time of SPS was significantly reduced and the pressure was maintained at a minimum value. The chosen approach allows these two methods to be compared in terms of structure homogeneity, complete reactive charge conversion and energy effectivity. Study was performed in Ti-Al-C system, in which the samples were compacted from elemental powders of Ti, Al, C in molar ratio of 2:1:1. Manufactured materials after syntheses were subjected to SEM, XRD and STEM analyses in order to investigate their microstructures and chemical compositions. As was concluded, only microwave-assisted SHS synthesis allows the creation of MAX phases in the studied system. SPS technique led only to the formation of intermetallic secondary phases. The fabrication of MAX phases’ foams by microwave-assisted SHS presents some interesting advantages compared to conventional manufacturing methods. This work presents the characterization of foams obtained by microwave-assisted SHS comparing the results with materials produced by SPS. The analysis of SPS products for different sintering temperatures provided the better insight into the synthesis of MAX phases, supporting the established mechanism. Dissimilarities in the heating mechanisms that lead to the differing synthesis products were also discussed.en
dc.description.statusPeer reviewed
dc.format.extent8
dc.format.extent1314276
dc.identifier.citationDmitruk , A , Lagos , M A , Naplocha , K & Egizabal , P 2020 , ' A comparative study of the feasibility of cellular MAX phase preforms formation by microwave-assisted SHS and SPS techniques ' , Archives of Metallurgy and Materials , vol. 65 , no. 2 , pp. 575-582 . https://doi.org/10.24425/amm.2020.132795
dc.identifier.doi10.24425/amm.2020.132795
dc.identifier.issn1733-3490
dc.identifier.otherresearchoutputwizard: 11556/927
dc.identifier.urlhttp://www.scopus.com/inward/record.url?scp=85084422024&partnerID=8YFLogxK
dc.language.isoeng
dc.relation.ispartofArchives of Metallurgy and Materials
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subject.keywordsMAX phases
dc.subject.keywordsSHS synthesis
dc.subject.keywordsMicrowave
dc.subject.keywordsSPS
dc.subject.keywordsPorous preforms
dc.subject.keywordsMAX phases
dc.subject.keywordsSHS synthesis
dc.subject.keywordsMicrowave
dc.subject.keywordsSPS
dc.subject.keywordsPorous preforms
dc.subject.keywordsMetals and Alloys
dc.subject.keywordsFunding Info
dc.subject.keywordsThe SPS trials and XRD analysis were carried out with support of the KMM-VIN Research Fellowship, 01-30.11.2017
dc.subject.keywordsThe SPS trials and XRD analysis were carried out with support of the KMM-VIN Research Fellowship, 01-30.11.2017
dc.titleA comparative study of the feasibility of cellular MAX phase preforms formation by microwave-assisted SHS and SPS techniquesen
dc.typejournal article
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