Microstructure evolution of Cu-Fe-based immiscible alloys prepared by powder metallurgy

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dc.contributor.authorAdam, Ondřejcs
dc.contributor.authorJan, Vítcs
dc.coverage.issue1cs
dc.coverage.volume1178cs
dc.date.accessioned2021-12-14T11:55:13Z
dc.date.available2021-12-14T11:55:13Z
dc.date.issued2021-09-22cs
dc.description.abstractThe work is focused on the preparation of bulk immiscible Cu-Fe-based alloys by powder metallurgy. Three samples with chemical composition Cu70Fe30, Cu70Fe15Co15, and Cu50Fe25Co25 were prepared by mechanical alloying and spark plasma sintering (SPS). Microstructure evolution during sintering and the effect of Co on the resulting microstructure and hardness of the bulk samples were evaluated. Despite the immiscibility of Cu with Fe and Co, the FCC supersaturated solid solution was formed upon mechanical alloying. This supersaturated solid solution was decomposed during SPS and fine microstructure, consisting of separated BCC and FCC phases, was formed. The results showed that cobalt influenced the particle size of milled powders as the particle size of Cu70Fe30 alloy was about an order of magnitude higher compared to other alloys. Cobalt also affected the resulting microstructure of bulk samples, however, its effect on the hardness was negligible. It has been shown that powder metallurgy can be used for the preparation of bulk immiscible alloys with the fine microstructure consists of separate phases, which can be individually alloyed by the selected elements, and therefore, powder metallurgy can be considered as a suitable alternative to the more used casting.en
dc.formattextcs
dc.format.extent1-6cs
dc.format.mimetypeapplication/pdfcs
dc.identifier.citationIOP Conference Series: Materials Science and Engineering. 2021, vol. 1178, issue 1, p. 1-6.en
dc.identifier.doi10.1088/1757-899X/1178/1/012001cs
dc.identifier.issn1757-899Xcs
dc.identifier.other172583cs
dc.identifier.urihttp://hdl.handle.net/11012/203068
dc.language.isoencs
dc.publisherIOP Publishingcs
dc.relation.ispartofIOP Conference Series: Materials Science and Engineeringcs
dc.relation.urihttps://iopscience.iop.org/article/10.1088/1757-899X/1178/1/012001cs
dc.rightsCreative Commons Attribution 3.0 Unportedcs
dc.rights.accessopenAccesscs
dc.rights.sherpahttp://www.sherpa.ac.uk/romeo/issn/1757-899X/cs
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/cs
dc.subjectImmiscible alloys; Mechanical alloyingen
dc.subjectSpark plasma sinteringen
dc.titleMicrostructure evolution of Cu-Fe-based immiscible alloys prepared by powder metallurgyen
dc.type.driverconferenceObjecten
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
sync.item.dbidVAV-172583en
sync.item.dbtypeVAVen
sync.item.insts2021.12.14 12:55:13en
sync.item.modts2021.12.14 12:16:48en
thesis.grantorVysoké učení technické v Brně. Fakulta strojního inženýrství. Ústav materiálových věd a inženýrstvícs
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