Fatigue Crack Growth Under Random Overloads with Retardation

Fatigue Crack Growth Under Random Overloads with Retardation

A Monte Carlo simulation scheme is presented to study the behavior of fatigue crack propagation under random overloads. Overloads of Poisson flow with uniform distribution on base-line constant-amplitude cyclic loads are considered. The retardation effect of overload on fatigue crack growth is taken...

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Main Author: Zou XiaoLi
Format: Article
Language:English
Published: EDP Sciences 2016-01-01
Series:MATEC Web of Conferences
Online Access:http://dx.doi.org/10.1051/matecconf/20166105010
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spelling doaj-71770ba63d3d446c9d6f8e71db84e3282021-03-02T02:27:51ZengEDP SciencesMATEC Web of Conferences2261-236X2016-01-01610501010.1051/matecconf/20166105010matecconf_apop2016_05010Fatigue Crack Growth Under Random Overloads with RetardationZou XiaoLiA Monte Carlo simulation scheme is presented to study the behavior of fatigue crack propagation under random overloads. Overloads of Poisson flow with uniform distribution on base-line constant-amplitude cyclic loads are considered. The retardation effect of overload on fatigue crack growth is taken into account by using Wheeler retardation model. The fatigue crack growth curve from initial crack size till fatigue fracture is simulated step by step. With the large number of the simulated samples, the average fatigue crack propagation life is obtained and the influences of overload intensity and magnitude on fatigue lifetime are studied.http://dx.doi.org/10.1051/matecconf/20166105010
collection DOAJ
language English
format Article
sources DOAJ
author Zou XiaoLi
spellingShingle Zou XiaoLi
Fatigue Crack Growth Under Random Overloads with Retardation
MATEC Web of Conferences
author_facet Zou XiaoLi
author_sort Zou XiaoLi
title Fatigue Crack Growth Under Random Overloads with Retardation
title_short Fatigue Crack Growth Under Random Overloads with Retardation
title_full Fatigue Crack Growth Under Random Overloads with Retardation
title_fullStr Fatigue Crack Growth Under Random Overloads with Retardation
title_full_unstemmed Fatigue Crack Growth Under Random Overloads with Retardation
title_sort fatigue crack growth under random overloads with retardation
publisher EDP Sciences
series MATEC Web of Conferences
issn 2261-236X
publishDate 2016-01-01
description A Monte Carlo simulation scheme is presented to study the behavior of fatigue crack propagation under random overloads. Overloads of Poisson flow with uniform distribution on base-line constant-amplitude cyclic loads are considered. The retardation effect of overload on fatigue crack growth is taken into account by using Wheeler retardation model. The fatigue crack growth curve from initial crack size till fatigue fracture is simulated step by step. With the large number of the simulated samples, the average fatigue crack propagation life is obtained and the influences of overload intensity and magnitude on fatigue lifetime are studied.
url http://dx.doi.org/10.1051/matecconf/20166105010
work_keys_str_mv AT zouxiaoli fatiguecrackgrowthunderrandomoverloadswithretardation
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