About: Influence of Case Hardening on Fatigue Resistance of Models of Hollow Shafts with Production Surface Defects

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About: Influence of Case Hardening on Fatigue Resistance of Models of Hollow Shafts with Production Surface Defects Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://www.scientific.net/KEM.465.243
Description	This work analyses an influence of case hardening on fatigue resistance of models of hollow shafts which have a variable diameter ranging from 40 mm to 67 mm, wall thickness of 7 mm and production surface defects on an inner surface layer of the hollow shafts. Case hardened (on both sides) and non case hardened shafts were tested. Both types of shafts were made out of 16MnCrS5 (DIN) steel by cold reduction rolling and were subjected to a flat bending. Tests indicated that the fatigue resistance of the case hardened shafts was significantly higher. The main reason for the lower resistance of the non case hardened shafts was initiation of main cracks from the defects on inner surfaces. In case of the case hardened shafts the main cracks initiated from the notch on outer surfaces where macroscopic stress was maximal. Different mechanisms of the cracking are discussed from the point of view of compressive residual stresses in the case hardened layer. This work analyses an influence of case hardening on fatigue resistance of models of hollow shafts which have a variable diameter ranging from 40 mm to 67 mm, wall thickness of 7 mm and production surface defects on an inner surface layer of the hollow shafts. Case hardened (on both sides) and non case hardened shafts were tested. Both types of shafts were made out of 16MnCrS5 (DIN) steel by cold reduction rolling and were subjected to a flat bending. Tests indicated that the fatigue resistance of the case hardened shafts was significantly higher. The main reason for the lower resistance of the non case hardened shafts was initiation of main cracks from the defects on inner surfaces. In case of the case hardened shafts the main cracks initiated from the notch on outer surfaces where macroscopic stress was maximal. Different mechanisms of the cracking are discussed from the point of view of compressive residual stresses in the case hardened layer. (en)
Title	Influence of Case Hardening on Fatigue Resistance of Models of Hollow Shafts with Production Surface Defects Influence of Case Hardening on Fatigue Resistance of Models of Hollow Shafts with Production Surface Defects (en)
skos:prefLabel	Influence of Case Hardening on Fatigue Resistance of Models of Hollow Shafts with Production Surface Defects Influence of Case Hardening on Fatigue Resistance of Models of Hollow Shafts with Production Surface Defects (en)
skos:notation	RIV/25797000:_____/11:#0000281!RIV12-MSM-25797000
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(1M06032)
http://linked.open...iv/cisloPeriodika	Leden 2011
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Mikulová, Dagmar Čipera, Martin Černý, Ivo Fürbacher, Ivan Pospíchal, Vladimír
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	SVÚM a.s.
http://linked.open...dnocenehoVysledku	204346
http://linked.open...ai/riv/idVysledku	RIV/25797000:_____/11:#0000281
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	High cycle fatigue (en)
http://linked.open.../riv/klicoveSlovo	High cycle fatigue
http://linked.open...odStatuVydavatele	CH - Švýcarská konfederace
http://linked.open...ontrolniKodProRIV	[F0E6F9F05E94]
http://linked.open...i/riv/nazevZdroje	Key Engineering Materials
http://linked.open...in/vavai/riv/obor	JL
http://linked.open...ichTvurcuVysledku	5 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	RESEARCH CENTRE OF FORMING TECHNOLOGY
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	465
http://linked.open...iv/tvurceVysledku	Mikulová, Dagmar Černý, Ivo Čipera, Martin Fürbacher, Ivan Pospíchal, Vladimír
http://linked.open...ain/vavai/riv/wos	000291704700054
issn	1013-9826
number of pages	4 (xsd:int)
http://bibframe.org/vocab/doi	10.4028/www.scientific.net/KEM.465.243

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