On size and technological effects in fatigue analysis and prediction of engineering materials and components

Savaidis, G; Savaidis, A; Tsamasphyros, G; Zhang, Ch

dc.contributor.author	Savaidis, G	en
dc.contributor.author	Savaidis, A	en
dc.contributor.author	Tsamasphyros, G	en
dc.contributor.author	Zhang, Ch	en
dc.date.accessioned	2014-03-01T01:18:09Z
dc.date.available	2014-03-01T01:18:09Z
dc.date.issued	2002	en
dc.identifier.issn	0020-7403	en
dc.identifier.uri	https://dspace.lib.ntua.gr/xmlui/handle/123456789/14821
dc.subject	Fatigue-life prediction	en
dc.subject	Residual stresses	en
dc.subject	Size effects	en
dc.subject	Stress gradient effects	en
dc.subject	Surface roughness	en
dc.subject.classification	Engineering, Mechanical	en
dc.subject.classification	Mechanics	en
dc.subject.other	Cyclic loads	en
dc.subject.other	Fatigue testing	en
dc.subject.other	Mathematical models	en
dc.subject.other	Residual stresses	en
dc.subject.other	Shafts (machine components)	en
dc.subject.other	Steel analysis	en
dc.subject.other	Stress analysis	en
dc.subject.other	Surface roughness	en
dc.subject.other	Engineering materials	en
dc.subject.other	Materials testing	en
dc.title	On size and technological effects in fatigue analysis and prediction of engineering materials and components	en
heal.type	journalArticle	en
heal.identifier.primary	10.1016/S0020-7403(01)00105-9	en
heal.identifier.secondary	http://dx.doi.org/10.1016/S0020-7403(01)00105-9	en
heal.language	English	en
heal.publicationDate	2002	en
heal.abstract	Analytical approaches concerning size, stress gradient and technological effects such as surface roughness and residual stresses induced during manufacturing processes are presented and discussed in this paper. Their implementation into the Short-Crack-Model for fatigue-life (lifetime to initiation of cracks of a size of 0.5-1 mm) prediction of engineering components subjected to cyclic loading is explained in detail. The procedures to consider the aforementioned effects are demonstrated by using an example of a forged and tempered steering shaft made of low-alloyed steel subjected to variable amplitude bend loading. The corresponding experimental results are used to check the accuracy of the analytical fatigue-life prediction. The comparison between analytically calculated and experimentally determined fatigue-life values emphasises the significance of technological effects (surface roughness, residual stresses) on fatigue-life estimation and the usefulness of the Short-Crack-Model for fatigue-resistant design of engineering components. (C) 2002 Elsevier Science Ltd. All rights reserved.	en
heal.publisher	PERGAMON-ELSEVIER SCIENCE LTD	en
heal.journalName	International Journal of Mechanical Sciences	en
dc.identifier.doi	10.1016/S0020-7403(01)00105-9	en
dc.identifier.isi	ISI:000176443100006	en
dc.identifier.volume	44	en
dc.identifier.issue	3	en
dc.identifier.spage	521	en
dc.identifier.epage	543	en