About: Hot Rolling of Brittle Aluminide of Type Fe-40Al-Zr-B

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Possibilities of processing of the brittle alloy type Fe-40Al-Zr-B (with 40.3 at.% Al) were evaluated by the laboratory hot rolling. The material obtained by melting in the laboratory vacuum induction furnace had the following chemical composition (wt.%): 24.6 Al – 0.15 Mn – 0.02 C – 0.18 Zr – 0.010 B (the remainder is Fe). The obtained castings of thickness 19.5 mm were processed by flat rolling with several reversible reductions to the nominal thickness of 12.5 mm or 5.5 mm. The samples were formed either directly or after wrapping in a special welded protective capsule made of the ferritic corrosion-resistant steel AISI 430. Rolling of the given material without the protective capsule led to immediate formation of transversal cracks. The use of protective capsules made it possible to achieve by hot rolling in laboratory conditions the partial height reductions of almost 20% and the total height reduction of more than 70%. From the viewpoint of technological formability, conformity of the deformation behaviour of the sample and the capsule, and the progress of the structure-forming processes, leading to refining of the initial primary (cast) structure, the forming temperature near 1200°C proved to be an optimum. Possibilities of processing of the brittle alloy type Fe-40Al-Zr-B (with 40.3 at.% Al) were evaluated by the laboratory hot rolling. The material obtained by melting in the laboratory vacuum induction furnace had the following chemical composition (wt.%): 24.6 Al – 0.15 Mn – 0.02 C – 0.18 Zr – 0.010 B (the remainder is Fe). The obtained castings of thickness 19.5 mm were processed by flat rolling with several reversible reductions to the nominal thickness of 12.5 mm or 5.5 mm. The samples were formed either directly or after wrapping in a special welded protective capsule made of the ferritic corrosion-resistant steel AISI 430. Rolling of the given material without the protective capsule led to immediate formation of transversal cracks. The use of protective capsules made it possible to achieve by hot rolling in laboratory conditions the partial height reductions of almost 20% and the total height reduction of more than 70%. From the viewpoint of technological formability, conformity of the deformation behaviour of the sample and the capsule, and the progress of the structure-forming processes, leading to refining of the initial primary (cast) structure, the forming temperature near 1200°C proved to be an optimum. (en)
Title	Hot Rolling of Brittle Aluminide of Type Fe-40Al-Zr-B Hot Rolling of Brittle Aluminide of Type Fe-40Al-Zr-B (en)
skos:prefLabel	Hot Rolling of Brittle Aluminide of Type Fe-40Al-Zr-B Hot Rolling of Brittle Aluminide of Type Fe-40Al-Zr-B (en)
skos:notation	RIV/61989100:27360/11:86081358!RIV12-GA0-27360___
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GAP107/10/0438), Z(MSM6198910015)
http://linked.open...iv/cisloPeriodika	6
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Šumšal, Václav Schindler, Ivo
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Vysoká škola báňská - Technická univerzita Ostrava / Fakulta metalurgie a materiálového inženýrství
http://linked.open...dnocenehoVysledku	202764
http://linked.open...ai/riv/idVysledku	RIV/61989100:27360/11:86081358
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	protective capsule; aluminide of type Fe-40Al-Zr-B; laboratory fot rolling (en)
http://linked.open.../riv/klicoveSlovo	aluminide of type Fe-40Al-Zr-B laboratory fot rolling protective capsule
http://linked.open...odStatuVydavatele	CZ - Česká republika
http://linked.open...ontrolniKodProRIV	[16610984CA0B]
http://linked.open...i/riv/nazevZdroje	Hutnické listy
http://linked.open...in/vavai/riv/obor	JG
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Physical and metallurgical aspects of deformation behaviour of iron aluminides with extremely low plasticity
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	64
http://linked.open...iv/tvurceVysledku	Schindler, Ivo Šumšal, Václav Hanus, Pavel
http://linked.open...n/vavai/riv/zamer	Structural potentiality and properties of intensively formed materials
issn	0018-8069
number of pages	6 (xsd:int)
http://localhost/t...ganizacniJednotka	27360

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