About: Changes of properties of strip from steel 11305.21 during storage

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The paper concerns evaluation of formability of strip from steel 11 305.21, which is used in Czech Republic for production of intricate deep stampings. The standardized properties of this steel are guaranteed 6 months after the date of production. With regard to the fact, that in finishing enterprises these sheets are sometimes stored even some months whereby their formability decreases as a rule, the evaluation of storage time influence upon formability of mentioned steel at normal temperature was carried out. The properties of strip were fully evaluated by tensile tests at test specimens machined parallel, perpendicular and diagonal to the rolling direction and by cupping tests according to Erichsen. The tests were carried out 2, 4, 6, 8, 10 and 12 months after the date of production. Nevertheless the solitary mechanical properties are not sufficient for correct choice of sheet-metal according to its formabiity, the planar anisotropy of mechanical properties, the directional and mean values of normal plastic anisotropy ratio and the strain-hardening exponents were evaluated. At strip from steel 11 305.21 owing to storage small modification of properties came about predominantly in direction to lower formability of sheet-metal. The paper concerns evaluation of formability of strip from steel 11 305.21, which is used in Czech Republic for production of intricate deep stampings. The standardized properties of this steel are guaranteed 6 months after the date of production. With regard to the fact, that in finishing enterprises these sheets are sometimes stored even some months whereby their formability decreases as a rule, the evaluation of storage time influence upon formability of mentioned steel at normal temperature was carried out. The properties of strip were fully evaluated by tensile tests at test specimens machined parallel, perpendicular and diagonal to the rolling direction and by cupping tests according to Erichsen. The tests were carried out 2, 4, 6, 8, 10 and 12 months after the date of production. Nevertheless the solitary mechanical properties are not sufficient for correct choice of sheet-metal according to its formabiity, the planar anisotropy of mechanical properties, the directional and mean values of normal plastic anisotropy ratio and the strain-hardening exponents were evaluated. At strip from steel 11 305.21 owing to storage small modification of properties came about predominantly in direction to lower formability of sheet-metal. (en)
Title	Changes of properties of strip from steel 11305.21 during storage Changes of properties of strip from steel 11305.21 during storage (en)
skos:prefLabel	Changes of properties of strip from steel 11305.21 during storage Changes of properties of strip from steel 11305.21 during storage (en)
skos:notation	RIV/61989100:27230/03:00008196!RIV13-MSM-27230___
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(MSM 272300010)
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Čada, Radek
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
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 strojní
http://linked.open...dnocenehoVysledku	600863
http://linked.open...ai/riv/idVysledku	RIV/61989100:27230/03:00008196
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	mechanical properties; anisotropy; sheet-metal; formability (en)
http://linked.open.../riv/klicoveSlovo	formability sheet-metal anisotropy mechanical properties
http://linked.open...ontrolniKodProRIV	[D48995BF09BC]
http://linked.open...v/mistoKonaniAkce	Ostrava
http://linked.open...i/riv/mistoVydani	Ostrava
http://linked.open...i/riv/nazevZdroje	Workshop 2003 Fakulty strojní : Ostrava, 11. února 2003
http://linked.open...in/vavai/riv/obor	JG
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	1 (xsd:int)
http://linked.open...UplatneniVysledku	2003
http://linked.open...iv/tvurceVysledku	Čada, Radek
http://linked.open...vavai/riv/typAkce	CST - Celostátní
http://linked.open.../riv/zahajeniAkce	2003-02-11 (xsd:date)
http://linked.open...n/vavai/riv/zamer	http://linked.opendata.cz/resource/domain/vavai/zamer/MSM%20272300010
number of pages	4 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Vysoká škola báňská - Technická univerzita Ostrava
https://schema.org/isbn	80-248-0233-3
http://localhost/t...ganizacniJednotka	27230

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