About: Influence of arsenic as a hydrogenation promoter during cathodic hydrogen charging of very high strength steels

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About: Influence of arsenic as a hydrogenation promoter during cathodic hydrogen charging of very high strength steels Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Hydrogen embrittlement mechanisms of two very high strength steels (VHSS) with ultimate tensile strength reaching 1000 MPa were studied in severe hydrogen charging conditions. These VHSS were a TRIP steel (A) and a Cr-V alloyed high strength steel (B). They were submitted to cathodic charging in a sulfuric acid solution (0.1 N) with an addition of 5 mg L-1 of As2O3, as a promoter of hydrogen absorption. Electrochemical permeation technique and subsequent hydrogen dosage by thermal desorption tests provided values for hydrogen diffusion characteristics. A and B present diffusivity of respectively 2.6 10-11 m2 s-1 and 2.2 10-10 m2 s-1. Blistering occurred at high charging currents, but residual hydrogen content appeared to be very low for both steels. The results can be attributed to the fine homogeneous microstructures with very few lattice defects like inclusions, impurities or microcracks that are the most potential sites for hydrogen trapping. Otherwise, tensile tests performed on hydrogenated steel Hydrogen embrittlement mechanisms of two very high strength steels (VHSS) with ultimate tensile strength reaching 1000 MPa were studied in severe hydrogen charging conditions. These VHSS were a TRIP steel (A) and a Cr-V alloyed high strength steel (B). They were submitted to cathodic charging in a sulfuric acid solution (0.1 N) with an addition of 5 mg L-1 of As2O3, as a promoter of hydrogen absorption. Electrochemical permeation technique and subsequent hydrogen dosage by thermal desorption tests provided values for hydrogen diffusion characteristics. A and B present diffusivity of respectively 2.6 10-11 m2 s-1 and 2.2 10-10 m2 s-1. Blistering occurred at high charging currents, but residual hydrogen content appeared to be very low for both steels. The results can be attributed to the fine homogeneous microstructures with very few lattice defects like inclusions, impurities or microcracks that are the most potential sites for hydrogen trapping. Otherwise, tensile tests performed on hydrogenated steel (en)
Title	Influence of arsenic as a hydrogenation promoter during cathodic hydrogen charging of very high strength steels Influence of arsenic as a hydrogenation promoter during cathodic hydrogen charging of very high strength steels (en)
skos:prefLabel	Influence of arsenic as a hydrogenation promoter during cathodic hydrogen charging of very high strength steels Influence of arsenic as a hydrogenation promoter during cathodic hydrogen charging of very high strength steels (en)
skos:notation	RIV/61989100:27360/08:00019582!RIV10-MSM-27360___
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(MSM6198910015)
http://linked.open...iv/cisloPeriodika	327
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Sojka, Jaroslav Filuš, František
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	372041
http://linked.open...ai/riv/idVysledku	RIV/61989100:27360/08:00019582
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	very high strength steels, automotive industry; hydrogen embrittlement; cathodic charging; diffusion; tensile test; fractography (en)
http://linked.open.../riv/klicoveSlovo	automotive industry fractography tensile test hydrogen embrittlement diffusion cathodic charging very high strength steels
http://linked.open...odStatuVydavatele	PL - Polská republika
http://linked.open...ontrolniKodProRIV	[830CC99A4A3D]
http://linked.open...i/riv/nazevZdroje	Zeszyty Naukowe, Mechanika
http://linked.open...in/vavai/riv/obor	JG
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...UplatneniVysledku	2008
http://linked.open...v/svazekPeriodika	92
http://linked.open...iv/tvurceVysledku	Filuš, František Sojka, Jaroslav Ly, Celine Jerome, Michel Guillot, Jean-Bernard Ruscassier, Nathalie
http://linked.open...n/vavai/riv/zamer	Structural potentiality and properties of intensively formed materials
issn	1429-6055
number of pages	8 (xsd:int)
http://localhost/t...ganizacniJednotka	27360

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