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dc.contributor.authorŠíma, Vladimír
dc.contributor.authorKratochvíl, Petr
dc.contributor.authorKozelský, Petr
dc.contributor.authorSchindler, Ivo
dc.contributor.authorHána, Petr
dc.date.accessioned2009-04-30T08:10:13Z
dc.date.available2009-04-30T08:10:13Z
dc.date.issued2009
dc.identifier.citationInternational Journal of Materials Research. 2009, vol. 100, issue 3, p. 382-385.en
dc.identifier.issn1862-5282
dc.identifier.urihttp://hdl.handle.net/10084/71274
dc.description.abstractAn ultrasonic device was designed to fabricate relatively small (about 0.7 kg) vacuum chill castings of FeAl-based alloys with improved microstructure. The influence of ultrasound on the solidification microstructure of the Fe-40 at.% Al based castings was investigated. The subsequent hot-rolling of such an as-cast alloy was made using a special stainless steel bandage of the casting. This effectively prevents fraying and cracking caused by the thermal shock arising at the surface of the hot casting, when it comes in contact with a cold roller. The efficiency of ultrasonic vacuum casting, based on the influence of the acoustic cavitation on the solidification of the melt, is manifested by a refined microstructure of the prepared iron aluminides Fe-40 at.% Al with addition of C or Zr and B. First results of improved mechanical properties of these alloys are presented and discussed.en
dc.language.isoenen
dc.publisherHanseren
dc.relation.ispartofseriesInternational Journal of Materials Researchen
dc.relation.urihttp://dx.doi.org/10.3139/146.110041en
dc.titleFeAl-based alloys cast in an ultrasound fielden
dc.typearticleen
dc.identifier.locationVe fondu ÚKen
dc.identifier.doi10.3139/146.110041
dc.identifier.wos000264870600027


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