About: Quantitative fractography of fish-eye crack formation under bending-torsion fatigue

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The paper presents results of the fractographical analysis of fish-eye cracks that were formed in plasmanitrided steel specimens under symmetrical bending, symmetrical torsion and biaxial in-phase bending-torsion loading combinations. Due to higher strength and compressive residual stresses introduced by plasma nitriding procedure, the subsurface fish-eye cracks were initiated inside the specimen bulk as a dominant failure mechanism. The geometrical characteristics of the fish-eye cracks (the radial asymmetry, the average size and the elliptical coefficient) were studied in the relation to the fish-eye crack location, the loading regime and the fatigue life. Both the ompressive residual stresses and the bending-torsion loading gradients were taken into account when discussing the results. Besides the well known fact that the nitrided surface layer reduces the crack growth rate, the study revealed that the average size of the fish-eye crack increases with both the distance from the free surface and th The paper presents results of the fractographical analysis of fish-eye cracks that were formed in plasmanitrided steel specimens under symmetrical bending, symmetrical torsion and biaxial in-phase bending-torsion loading combinations. Due to higher strength and compressive residual stresses introduced by plasma nitriding procedure, the subsurface fish-eye cracks were initiated inside the specimen bulk as a dominant failure mechanism. The geometrical characteristics of the fish-eye cracks (the radial asymmetry, the average size and the elliptical coefficient) were studied in the relation to the fish-eye crack location, the loading regime and the fatigue life. Both the ompressive residual stresses and the bending-torsion loading gradients were taken into account when discussing the results. Besides the well known fact that the nitrided surface layer reduces the crack growth rate, the study revealed that the average size of the fish-eye crack increases with both the distance from the free surface and th (en)
Title	Quantitative fractography of fish-eye crack formation under bending-torsion fatigue Quantitative fractography of fish-eye crack formation under bending-torsion fatigue (en)
skos:prefLabel	Quantitative fractography of fish-eye crack formation under bending-torsion fatigue Quantitative fractography of fish-eye crack formation under bending-torsion fatigue (en)
skos:notation	RIV/00216305:26210/10:PU85475!RIV10-MSM-26210___
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GP106/08/P366), Z(MSM0021630518)
http://linked.open...iv/cisloPeriodika	6
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Slámečka, Karel Pokluda, Jaroslav Major, Štěpán
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	Vysoké učení technické v Brně / Fakulta strojního inženýrství
http://linked.open...dnocenehoVysledku	283629
http://linked.open...ai/riv/idVysledku	RIV/00216305:26210/10:PU85475
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Quantitative fractography, Fish-eye cracks, Bending-torsion fatigue, Plasma nitriding, Residual stress (en)
http://linked.open.../riv/klicoveSlovo	Residual stress Plasma nitriding Bending-torsion fatigue Fish-eye cracks Quantitative fractography
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[D523BC3F1A8B]
http://linked.open...i/riv/nazevZdroje	INTERNATIONAL JOURNAL OF FATIGUE
http://linked.open...in/vavai/riv/obor	JL
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	3D analysis of surface morphology generated by fatigue
http://linked.open...UplatneniVysledku	2010
http://linked.open...v/svazekPeriodika	32
http://linked.open...iv/tvurceVysledku	Dvořák, Ivan Kianicová, Marta Pokluda, Jaroslav Slámečka, Karel Major, Štěpán
http://linked.open...n/vavai/riv/zamer	Simulation modelling of mechatronics systems
issn	0142-1123
number of pages	8 (xsd:int)
http://localhost/t...ganizacniJednotka	26210
is http://linked.open...avai/riv/vysledek of	Quantitative fractography of fish-eye crack formation under bending-torsion fatigue Quantitative fractography of fish-eye crack formation under bending-torsion fatigue Quantitative fractography of fish-eye crack formation under bending-torsion fatigue

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