Multiscale analysis of fatigue crack initiation life for unidirectional composite laminates

Naderi, Mehdi; Michopoulos, John G.; Iyyer, Nagaraja; Goel, Kishan; Phan, Nam

doi:10.1016/j.compstruct.2019.01.107

Cited by 18 publications

(9 citation statements)

References 73 publications

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“…The kinetic theory of fracture for polymers is used to model crack growth in matrix of plain weave composites. The application of the kinetic theory of fracture for polymers has been seen in multiple studies 9,[25][26][27][28][29][30][31] to examine the fatigue behaviors of composite materials, and the agreement between this theory and experimental results has been assessed. The kinetic theory of fracture, proposed by Coleman 32 and Zhurkov, 33 is based on the fundamental concept that the initiation and propagation of cracks during loading cycles are inherently associated with energy dissipation.…”

Section: Kinetic Theory Of Fracture For Polymersmentioning

confidence: 99%

“…9 Bhuiyan and Fertig 9 have used the kinetic theory of fracture for polymers incorporating finite element modeling in Abaqus to investigate the fatigue behavior of plain-woven fabric composites. The kinetic theory of fracture for polymers has been implemented in various research papers, 9,[25][26][27][28][29][30][31] incorporating finite element modeling to investigate the mechanical behavior of composites under the fatigue phenomenon, and somehow its accuracy has been evaluated through comparisons with experimental results. The geometrical and mechanical properties related to the multiscale micromechanical model are provided in Tables 6 through 8.…”

Section: Prediction Of Elastic Properties and Strength Under Fatigue ...mentioning

confidence: 99%

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Progressive damage analysis for fatigue life prediction in plain weave composites: A multi-scale approach

Ghanavaty,

Mosalmani,

Shishesaz

2023

Journal of Composite Materials

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This study introduces an analytical micromechanical model considering progressive damage designed to predict the elastic and strength properties of plain weave composites subjected to fatigue loading. The presented model is composed of a multi-scale micromechanical model, wherein a progressive damage mechanism has been incorporated. During the development of this multi-scale micromechanical model, a representative volume element was chosen and homogenized, utilizing assumptions pertaining to identical out-of-plane stresses and in-plane strains. These assumptions satisfy the conditions of equilibrium and displacement continuity in the representative volume element and, through a three-step process, enhance the model’s accuracy in applying the damage model and predicting the elastic properties of plain weave composites under static loading. Subsequently, the damage mechanism was progressively developed by accounting for the crucial role of matrix crack growth. This was achieved by employing the kinetic theory of fracture for polymers and integrating it with the multi-scale micromechanical model. Ultimately, the elastic and strength properties of plain weave composites under fatigue loading were predicted. A comparison of the results derived from the present model with those available in the literature demonstrated a high degree of agreement.

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Section: Kinetic Theory Of Fracture For Polymersmentioning

confidence: 99%

Section: Prediction Of Elastic Properties and Strength Under Fatigue ...mentioning

confidence: 99%

Progressive damage analysis for fatigue life prediction in plain weave composites: A multi-scale approach

Ghanavaty,

Mosalmani,

Shishesaz

2023

Journal of Composite Materials

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“…Investigation of surface roughness and slip rate on contact fatigue life. Zaretsky [24][25][26][27][28][29] 's study showed that surface roughness of parts would affect the distribution of surface contact stress, which would lead to the phenomenon of contact stress concentration of parts and increase the wear amount of parts surface. Ne'lias et al 30 evaluated the influence of inclusions, surface roughness, and operating conditions on rolling contact fatigue of AISI 52100 and M50 bearing steels, and studied the influence of inclusion location and roughness size on crack initiation and propagation life.…”

Section: Introductionmentioning

confidence: 99%

A rolling contact fatigue health prediction model based on load interaction and damage energy accumulation

Hao

2022

Proceedings of the Institution of Mechanical Engineers, Part C:

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Rolling contact is one of the main contact modes of all kinds of mechanical equipment at present. This investigation studied the rolling contact fatigue behaviors under various slip ratios and surface roughness with the consideration of loading history, loading sequence, and mutual influence between different load levels. In this paper, a fatigue crack initiation life prediction model based on strain energy accumulation caused by slip dislocations is proposed. The effect of increasing slip dislocation density and friction resistance on strain energy accumulation under alternating load is studied. The experimental results show that compared with the existing models, the proposed model can effectively improve the prediction accuracy of contact fatigue life under variable stress loading.

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“…MCT is a progressive failure analysis, where independent matrix and fiber failures are assumed, which has been used in several studies. 8,9…”

Section: Introductionmentioning

confidence: 99%

“…MCT is a progressive failure analysis, where independent matrix and fiber failures are assumed, which has been used in several studies. 8,9 Indeed, it is possible to find many studies on progressive failure of laminates plates and shells (curved or not) in the literature, [10][11][12][13][14][15] but investigations on composite spirals and rings are more scarce. Spirals and rings display distinct behavior due to their particular geometry and manufacturing process.…”

Section: Introductionmentioning

confidence: 99%

Composite spirals and rings under flexural loading: Experimental and numerical analysis

Tonatto

Tita

Amico

2020

Journal of Composite Materials

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Recent improvements in pultrusion and filament winding have allowed the manufacturing of spirals and rings composite profiles for applications such as fuselage reinforcements of small aircrafts, automotive bumper beams, automotive springs and structural reinforcement for pipes. However, the behavior of curved carbon fiber components is complex and hard to predict, and still demands deeper understanding. In this work, progressive damage and cohesive zone numerical models were used to simulate the behavior of unidirectional curved composite structures under flexural loading. Four-point bending tests were carried out on curved samples monitored by strain gages for model validation. The results have demonstrated a strong influence of delamination on samples with well-defined resin-rich areas. In contrast, curved structures with more homogeneous fiber distribution, i.e. those manufactured by curved pultrusion, showed increased flexural strength. Maximum stresses from numerical and experimental analyses were compared and the maximum difference found was below 3.5%.

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Multiscale analysis of fatigue crack initiation life for unidirectional composite laminates

Cited by 18 publications

References 73 publications

Progressive damage analysis for fatigue life prediction in plain weave composites: A multi-scale approach

Progressive damage analysis for fatigue life prediction in plain weave composites: A multi-scale approach

A rolling contact fatigue health prediction model based on load interaction and damage energy accumulation

Composite spirals and rings under flexural loading: Experimental and numerical analysis

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