About: Stabilized austenitic stainless steels and their passive state

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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	Stability of the passive state is the function mainly of the chemical composition, structural sensitivity, and the state of stressing of the metal, coupled with the specific environment, as is also the case e.g., with boiling water and pressure water reactors. The effects of titanium and niobium in the solid solution on passive state stability of CrNi and CrNiMo steels as well as on their localized corrosion are compared. Electrochemical polarization measurements involving reactivation from the outset of the passive region indicated a reduction of the critical reactivation current density for the titanium-stabilized steels. Cyclic polarization measurements in 1 mol/l NaCl confirmed the positive effect of titanium, compared to niobium, on the depassivation potentials, although the repassivation and corrosion potentials were subject to only inconsiderable changes. Capillary defectoscopy of U-band type specimens tested at 275°C in H3BO3 plus Fe2O3 solution has not revealed any corrosion cracking. Stability of the passive state is the function mainly of the chemical composition, structural sensitivity, and the state of stressing of the metal, coupled with the specific environment, as is also the case e.g., with boiling water and pressure water reactors. The effects of titanium and niobium in the solid solution on passive state stability of CrNi and CrNiMo steels as well as on their localized corrosion are compared. Electrochemical polarization measurements involving reactivation from the outset of the passive region indicated a reduction of the critical reactivation current density for the titanium-stabilized steels. Cyclic polarization measurements in 1 mol/l NaCl confirmed the positive effect of titanium, compared to niobium, on the depassivation potentials, although the repassivation and corrosion potentials were subject to only inconsiderable changes. Capillary defectoscopy of U-band type specimens tested at 275°C in H3BO3 plus Fe2O3 solution has not revealed any corrosion cracking. (en)
Title	Stabilized austenitic stainless steels and their passive state Stabilized austenitic stainless steels and their passive state (en)
skos:prefLabel	Stabilized austenitic stainless steels and their passive state Stabilized austenitic stainless steels and their passive state (en)
skos:notation	RIV/25794787:_____/10:#0000402!RIV12-GA0-25794787
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA106/08/1789), Z(MSM2579478701)
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Číhal, Vladimír Kadlecová, Marcela Turek, Libor
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	SVÚOM s.r.o.
http://linked.open...dnocenehoVysledku	289608
http://linked.open...ai/riv/idVysledku	RIV/25794787:_____/10:#0000402
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	stainless steel; stabilization; passivity; stresses; stress corrosion cracking (en)
http://linked.open.../riv/klicoveSlovo	stresses stress corrosion cracking stabilization stainless steel passivity
http://linked.open...ontrolniKodProRIV	[67C600214A8F]
http://linked.open...v/mistoKonaniAkce	Ostrava
http://linked.open...i/riv/mistoVydani	Ostrava
http://linked.open...i/riv/nazevZdroje	New methods of damage and failure analysis of structural parts
http://linked.open...in/vavai/riv/obor	JK
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	7 (xsd:int)
http://linked.open...vavai/riv/projekt	Degradation mechanism of cold worked stainless steels in aggressive environments
http://linked.open...UplatneniVysledku	2010
http://linked.open...iv/tvurceVysledku	Číhal, Vladimír Kadlecová, Marcela Lasek, S. Blahetová, M. Turek, Libor Burda, J. Kárník, D.
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2010-01-01 (xsd:date)
http://linked.open...n/vavai/riv/zamer	Research of methods for precision of metallic materials and their protective layers service life prediction from point of view pollution in environment
number of pages	5 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Neuveden
https://schema.org/isbn	978-80-248-2265-5

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