About: Comparison of an equation describing fatigue crack growth curves with the NASGRO equation

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	So-called the NASGRO equation allows very good description of fatigue crack growth curves, i.e. of the dependence of crack length increase per one cycle on the range of stress intensity factor, in very wide extend from threshold region to the region of unstable growth. Newly proposed equation gives more exact description near the bends of the curve and including the Walker model it allows very simple generalization for various asymmetries of loading cycle. In threshold region and in the region of stable growth it converts into the well-known Klesnil-Lukáš equation if certain simplification is done. So-called the NASGRO equation allows very good description of fatigue crack growth curves, i.e. of the dependence of crack length increase per one cycle on the range of stress intensity factor, in very wide extend from threshold region to the region of unstable growth. Newly proposed equation gives more exact description near the bends of the curve and including the Walker model it allows very simple generalization for various asymmetries of loading cycle. In threshold region and in the region of stable growth it converts into the well-known Klesnil-Lukáš equation if certain simplification is done. (en) Tzv. rovnice NASGRO umožňuje velmi dobrý popis křivky šíření únavových trhlin, tj. závislosti přírůstku délky trhliny za jeden cyklus na rozkmitu faktoru intenzity napětí, v širokém rozsahu od prahové oblasti do oblasti nestabilního šíření. Nově navržená rovnice zpřesňuje tento popis zejména v oblastech ohybů křivky a zahrnutím Wolkerova modelu umožňuje velmi jednoduché zobecnění pro různé asymetrie zatěžovacího cyklu. Pro prahovou oblast a oblast stabilního šíření trhliny přechází nová rovnice při jistém zjednodušení ve známou Klesnilovu-Lukášovu rovnici. (cs)
Title	Srovnání rovnice popisující křivky šíření únavových trhlin s rovnicí NASGRO (cs) Comparison of an equation describing fatigue crack growth curves with the NASGRO equation Comparison of an equation describing fatigue crack growth curves with the NASGRO equation (en)
skos:prefLabel	Srovnání rovnice popisující křivky šíření únavových trhlin s rovnicí NASGRO (cs) Comparison of an equation describing fatigue crack growth curves with the NASGRO equation Comparison of an equation describing fatigue crack growth curves with the NASGRO equation (en)
skos:notation	RIV/63493713:_____/06:#0000037!RIV07-GA0-63493713
http://linked.open.../vavai/riv/strany	29-33
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA106/04/0949), Z(MO0FVT0000404)
http://linked.open...iv/cisloPeriodika	4
http://linked.open...vai/riv/dodaniDat	2007
http://linked.open...aciTvurceVysledku	Hrubý, Vojtěch Kohout, Jan
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	Akademie, o.p.s.
http://linked.open...dnocenehoVysledku	469224
http://linked.open...ai/riv/idVysledku	RIV/63493713:_____/06:#0000037
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	NASGRO equation; fatigue crack growth curve; threshold region; stable growth region; Klesnil-Lukáš equation (en)
http://linked.open.../riv/klicoveSlovo	Klesnil-Lukáš equation NASGRO equation fatigue crack growth curve stable growth region threshold region
http://linked.open...odStatuVydavatele	SK - Slovenská republika
http://linked.open...ontrolniKodProRIV	[4E73388A9631]
http://linked.open...i/riv/nazevZdroje	Komunikácie (Communications)
http://linked.open...in/vavai/riv/obor	JL
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	The mechanisms of enhancement of corrosion resistance of selected steel grades after plasma nitridation and oxidation
http://linked.open...UplatneniVysledku	2006
http://linked.open...v/svazekPeriodika	neuvedeno
http://linked.open...iv/tvurceVysledku	Hrubý, Vojtěch Kohout, Jan Věchet, Stanislav
http://linked.open...n/vavai/riv/zamer	Research and development of modern materials and technologies for the applications to the military equipment
issn	1335-4205
number of pages	5 (xsd:int)

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