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Statements

Subject Item
n2:RIV%2F00216305%3A26210%2F02%3APU36682%21RIV%2F2004%2FGA0%2F262104%2FN
rdf:type
n14:Vysledek skos:Concept
dcterms:description
Walkers Approach of the description of the influence of loading cycle asymmetry in the high-cycle region consists in multiplying by a factor of Pm where P is one of used asymmetry parameters, defined by the quotien of maximum stress and stress amplitude. This approach can be relatively simply generalized also for low-cycle region as shown by the authors last year. Certain difficulty appears for high values parameter P when an unacceptable relation UTS < sigma c Pm (sigma c means fatigue limit) can be obbtained. It has a very unpleasant consequence in the High diagram construction: the curve does not cross the UTS value on mean stress axis as asked. The paper proposes a modification which is identical with walkers approach for lower values of asymmetry parameter P and, on the other hand, does not allow to overstep the UTS value for high values of parameter P. The advantage of this modification is best presented in the Haigh diagram. Walkers Approach of the description of the influence of loading cycle asymmetry in the high-cycle region consists in multiplying by a factor of Pm where P is one of used asymmetry parameters, defined by the quotien of maximum stress and stress amplitude. This approach can be relatively simply generalized also for low-cycle region as shown by the authors last year. Certain difficulty appears for high values parameter P when an unacceptable relation UTS < sigma c Pm (sigma c means fatigue limit) can be obbtained. It has a very unpleasant consequence in the High diagram construction: the curve does not cross the UTS value on mean stress axis as asked. The paper proposes a modification which is identical with walkers approach for lower values of asymmetry parameter P and, on the other hand, does not allow to overstep the UTS value for high values of parameter P. The advantage of this modification is best presented in the Haigh diagram.
dcterms:title
Fatigue behavior of ferritic nodular cast iron at various asymmetry loading cycle Fatigue behavior of ferritic nodular cast iron at various asymmetry loading cycle
skos:prefLabel
Fatigue behavior of ferritic nodular cast iron at various asymmetry loading cycle Fatigue behavior of ferritic nodular cast iron at various asymmetry loading cycle
skos:notation
RIV/00216305:26210/02:PU36682!RIV/2004/GA0/262104/N
n3:strany
2751-2758
n3:aktivita
n15:P
n3:aktivity
P(GA106/03/1265)
n3:dodaniDat
n10:2004
n3:domaciTvurceVysledku
n8:5757150 n8:2591006
n3:druhVysledku
n18:D
n3:duvernostUdaju
n7:S
n3:entitaPredkladatele
n19:predkladatel
n3:idSjednocenehoVysledku
646032
n3:idVysledku
RIV/00216305:26210/02:PU36682
n3:jazykVysledku
n20:eng
n3:klicovaSlova
Fatigue behavior, nodular cast iron, Haigh diagram
n3:klicoveSlovo
n4:Fatigue%20behavior n4:Haigh%20diagram n4:nodular%20cast%20iron
n3:kontrolniKodProRIV
[7995FD576C42]
n3:mistoKonaniAkce
Stockholm
n3:mistoVydani
Stockholm, Švédsko
n3:nazevZdroje
Fatigue 2002
n3:obor
n21:JL
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
2
n3:pocetUcastnikuAkce
0
n3:pocetZahranicnichUcastnikuAkce
0
n3:projekt
n6:GA106%2F03%2F1265
n3:rokUplatneniVysledku
n10:2002
n3:tvurceVysledku
Kohout, Jan Věchet, Stanislav
n3:typAkce
n17:WRD
n3:zahajeniAkce
2002-06-02+02:00
s:numberOfPages
8
n16:hasPublisher
Neuveden
n11:isbn
1-901537-32-3
n12:organizacniJednotka
26210