About: Detection of microplastic limit in a structural steel by the measurement of electrical impendance

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Microplastic strains occurring at stresses below yield stress play a significant role at cyclic loading of metals during high cycle fatigue. Microplastic strains cannot be measured by common methods due to the discontinuity of their distribution and a varying character of their level in the structure of metal but, however, owing to the magneto-elastic effect the threshold stress, at which dislocation pile-up stresses begin to obstruct the magnetic domains in rotation to the direction of the tensile stress, can be determined from magnetic permeability changes during tensile loading. In this paper, the magnetic permeability changes were measured indirectly – by means of electrical impedance changes (a.c. resistance), as there is a direct functional dependence between the a.c. resistance and the magnetic permeability. Microplastic strains occurring at stresses below yield stress play a significant role at cyclic loading of metals during high cycle fatigue. Microplastic strains cannot be measured by common methods due to the discontinuity of their distribution and a varying character of their level in the structure of metal but, however, owing to the magneto-elastic effect the threshold stress, at which dislocation pile-up stresses begin to obstruct the magnetic domains in rotation to the direction of the tensile stress, can be determined from magnetic permeability changes during tensile loading. In this paper, the magnetic permeability changes were measured indirectly – by means of electrical impedance changes (a.c. resistance), as there is a direct functional dependence between the a.c. resistance and the magnetic permeability. (en)
Title	Detection of microplastic limit in a structural steel by the measurement of electrical impendance Detection of microplastic limit in a structural steel by the measurement of electrical impendance (en)
skos:prefLabel	Detection of microplastic limit in a structural steel by the measurement of electrical impendance Detection of microplastic limit in a structural steel by the measurement of electrical impendance (en)
skos:notation	RIV/68378297:_____/13:00398787!RIV14-GA0-68378297
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(GAP105/10/2052)
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Šperl, Martin Gajdoš, Lubomír
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	Ústav teoretické a aplikované mechaniky AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	68735
http://linked.open...ai/riv/idVysledku	RIV/68378297:_____/13:00398787
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	low-C steel; magnetic permeability; microplastic limit (en)
http://linked.open.../riv/klicoveSlovo	magnetic permeability low-C steel microplastic limit
http://linked.open...ontrolniKodProRIV	[7D682EFB6CEC]
http://linked.open...v/mistoKonaniAkce	Amsterdam
http://linked.open...i/riv/mistoVydani	Amsterdam
http://linked.open...i/riv/nazevZdroje	World academy of science, engineering and technology
http://linked.open...in/vavai/riv/obor	JL
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	Damaging stresses below the fatigue limit as determined by changes in magnetic permeability
http://linked.open...UplatneniVysledku	2013
http://linked.open...iv/tvurceVysledku	Gajdoš, Lubomír Šperl, Martin Kaiser, J. Mentl, V. Volák, J.
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2013-05-15 (xsd:date)
issn	2010-376X
number of pages	4 (xsd:int)
http://purl.org/ne...btex#hasPublisher	World Academy of Science, Engineering and Technology

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