Multiaxial fatigue life prediction of composite bolted joint under constant amplitude cycle loading

Zhou, Song; Sun, Yi; Ge, Jingran; Chen, Xiaojie

doi:10.1016/j.compositesb.2015.01.013

Cited by 25 publications

(8 citation statements)

References 21 publications

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“…The fatigue life can be predicted by uniaxial fatigue S-N test data which can be found in literature. [20] In this paper, normalized stress calculated by 3D Tsai-Hill criterion is introduced to characterize fatigue in uniaxial (S-N curve tests) and multiaxial (equivalent stress) stress states. Normalized stress in S-N curve and equivalent stress calculated by Tsai-Hill static failure criterion change between 1 and 0.…”

Section: Equivalent Stress Calculated In Time Domainmentioning

confidence: 99%

Random fatigue life prediction of carbon fibre-reinforced composite laminate based on hybrid time-frequency domain method

Zhou

Sun

Guo

2016

Advanced Composite Materials

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To evaluate fatigue life of composite laminate with hole under random loading, a random fatigue life prediction model is established by hybrid time-frequency domain method in this paper. Firstly, dynamic response of composite laminate is obtained from FE model in frequency domain. Secondly, root mean square of stress of six stress components of critical damage point in frequency domain are transferred to stresses in time domain. At last, 3D Tsai-Hill static failure criterion is adopted to convert the multiaxial stress into the uniaxial equivalent stress. Fatigue life is predicted by equivalent stress fatigue life code. The method is validated with the random vibration fatigue test of carbon fibre-reinforced composite laminate. Numerical results are compared with random fatigue experiments which show good agreement with numerical results.

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Section: Equivalent Stress Calculated In Time Domainmentioning

confidence: 99%

Random fatigue life prediction of carbon fibre-reinforced composite laminate based on hybrid time-frequency domain method

Zhou

Sun

Guo

2016

Advanced Composite Materials

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“…Problems involving multiaxial fatigue have also been investigated by many researchers. [3][4][5] Because of the practical need and application value, establishing appropriate fatigue theories for various kinds of engineering structures is a particular area of focus in fatigue research. 6,7 Considering the critical influence of load on structural fatigue, many different kinds of specialized fatigue-design methods have been put forward for specific types of environmental and working loads that can provide the fatigue capacities of the materials or structures independently of the load, in order to facilitate practical application.…”

Section: Introductionmentioning

confidence: 99%

An extended method of estimating the fatigue performance of mechanical structures with fasteners subject to shear loads

Dai

Chen

Zhang

et al. 2018

Advances in Mechanical Engineering

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Prediction accuracy is a key problem in estimating the fatigue resistance of engineering structures. Here, we consider mechanical structures with fasteners that are simultaneously subjected to a combination of shear and tension (or compression) loads. The currently used detail fatigue rating method is modified and an extended detail fatigue rating method is proposed to improve the estimation results. This is achieved by considering the effect of the load, stress concentration, and fatigue failure criterion on the fatigue capacity. An experimental assessment is also made of many specimens with different structures. A comparison of the estimation results obtained using the extended detail fatigue rating method and the experimental results shows that the new method gives results that are acceptable in engineering practice.

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“…É necessário estudar e conhecer o desempenho de juntas aparafusadas para diversos tipos de carga, a fim de assegurar a integridade da união sem que ocorra a falha. Em decorrência disso, este assunto está em constante evolução e os estudos atuais buscam a otimização da performance em diferentes condições de operação (BENHADDOU et al, 2014) (ZHOU et al, 2015LEHTOVAARA;MÄNTYLA, 2016).…”

Section: Introductionunclassified

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Resumo-Os grandes impactos causados ao meio ambiente de forma geral tem demonstrado que a saúde dos povos sugere uma preocupação com rios, mares e com setores urbanos das cidades, onde as moradias tem causado esses efeitos preocupantes com as vidas sociais nos meios urbanos e as destruições do meio ambiente. O objetivo do artigo é analisar os impactos ambientais causados pela ausência de fossas sépticas nos domicílios em torno das margens da Bacia Hidrográfica de um bairro localizado ema Manaus. Os materiais e os métodos aplicados no estudo têm como subsídios as análises do padrão socioeconômico básico de dados oficiais do censo demográfico, grau de escolaridade, e saneamento. Sua realização é justificada pela importância de se discutir relações socioculturais com o ambiente natural e seus respectivos impactos para se construir comportamentos apropriados e políticas públicas. Os resultados mostraram que as implantações de fossas sépticas nos domicílios da região venham amenizar impactos negativos tanto ao meio ambiente como às pessoas que moram na circunvizinhança.

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Multiaxial fatigue life prediction of composite bolted joint under constant amplitude cycle loading

Cited by 25 publications

References 21 publications

Random fatigue life prediction of carbon fibre-reinforced composite laminate based on hybrid time-frequency domain method

Random fatigue life prediction of carbon fibre-reinforced composite laminate based on hybrid time-frequency domain method

An extended method of estimating the fatigue performance of mechanical structures with fasteners subject to shear loads

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