Effective mechanical properties of unidirectional composites in the presence of imperfect interface

Kordkheili, S.A. Hosseini; Toozandehjani, H.

doi:10.1007/s00419-014-0834-1

Cited by 12 publications

(3 citation statements)

References 38 publications

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“…Analytical Barenblatt [366,367], Dugdale [368], Jones and Whittier [369], Mal and Bose [370], Theocaris et al [371], Benveniste [372], Benveniste and Miloh [373], Aboudi [374,375], Takahashi and Shan and Chou [376,377], Karihaloo and Viswanathan [378,379], Hashin [358][359][360]380], Lipton and Vernescu [364], Levy [381,382], Qu [383], Gao [384], Lee and Pyo [385], Ju and Chen [386], Esteva and Spanos [387], Othmani et al [388], Xu et al [389], Yanase and Ju [390], Hosseini Kordkheili and Toozandehjani [391], Lee et al [392,393], Qu [394], Tan et al [395][396][397], Zhao and Weng [398], Liu et al [399], Shao et al [400], Brassart et al [401], Teng [402], Koyama et al [403], NafarDastgerdi et al [404], Duan et al [405][406]…”

Section: Cohesive Interfacementioning

confidence: 99%

“…Using the micromechanical model of Ju and Chen [386], Lee and Pyo adopted Eshelby's tensor for an ellipsoidal inclusion with cohesive interfaces and predicted the effective elastic behavior of composites embedding cohesive interfaces. Further studies on Eshelby's formulation incorporating cohesive interface models include [387][388][389][390][391][392][393].…”

Section: Cohesive Interfacementioning

confidence: 99%

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Homogenization of Composites with Extended General interfaces: Comprehensive Review and Unified Modeling

Firooz

Steinmann

Javili

2021

Applied Mechanics Reviews

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Interphase regions that form in heterogeneous materials through various underlying mechanisms such as poor mechanical or chemical adherence, roughness, and coating, play a crucial role in the response of the medium. A well- established strategy to capture a finite-thickness interphase behavior is to replace it with a zero-thickness interface model characterized by its own displacement and/or traction jumps, resulting in different interface models. The contributions to date dealing with interfaces commonly assume that the interface is located in the middle of its corresponding interphase. We revisit this assumption and introduce a universal interface model, wherein a unifying approach to the homogenization of heterogeneous materials embedding interfaces between their constituents is developed. The proposed novel interface model is universal in the sense that it can recover any of the classical interface models. Next, via incorporating this universal interface model into homogenization, we develop bounds and estimates for the overall moduli of fiber-reinforced and particle-reinforced composites as functions of the interface position and properties. Furthermore, we elaborate on the computational implications of this interface model. Finally, we carry out a comprehensive numerical study to highlight the influence of interface position, stiffness ratio and interface parameters on the overall properties of composites, where an excellent agreement between the analytical and computational results is observed. The developed interface-enhanced homogenization framework also successfully captures size effects, which are immediately relevant to emerging applications of nano-composites due their pronounced interface effects at small scales.

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Section: Cohesive Interfacementioning

confidence: 99%

Section: Cohesive Interfacementioning

confidence: 99%

Homogenization of Composites with Extended General interfaces: Comprehensive Review and Unified Modeling

Firooz

Steinmann

Javili

2021

Applied Mechanics Reviews

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“…Recently, effective mechanical properties of unidirectional composites in the presence of imperfect interfaces have been estimated by Hosseini Kordkheili and Toozandehjani. 29 In order to develop this study further, effective mechanical properties of unidirectional composites reinforced by MWCNTs need to be calculated for which an estimation of resin epoxy/MWCNTs nanocomposites plastic properties is essential. The work presented in this article was motivated by the lack of an appropriate constitutive equation on the subject in the literature.…”

Section: Introductionmentioning

confidence: 99%

A continuum constitutive model for mechanical behavior of 5052 resin epoxy containing various percentages of MWCNTs

Kordkheili

Toozandehjani

Choshali

et al. 2016

Journal of Composite Materials

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In this article, a continuum-based constitutive model is developed to predict the mechanical behavior of 5052 resin epoxy reinforced by multiwalled carbon nanotubes (MWCNTs) based on experimentally generated data. For this purpose, MWCNTs/epoxy specimens with various percentages of functionalized and nonfunctionalized MWCNTs are prepared. The SEM graphs indicate that functionalization leads to a better bound between epoxy and MWCNTs and a higher level of dispersion. The specimens are then tested under standard ASTM D638-02 a procedure and their true plastic stress–strain curves are extracted. Investigations on experimentally generated data reveal that a wt% dependent equation which is obtained using any two series of these data can be successfully implemented for others. The equation is then implemented into a finite element software using a developed user material subroutine in which is utilized based on a particular solution algorithm. In order to verify the accuracy of the model some tensile as well as load-unload-reload tension tests are performed according to standard conditions and acceptable agreement between the numerical and experimental results are observed. Results also indicate that the proposed empirical model can precisely predict the stress–strain behavior of 5052 resin epoxy containing arbitrary wt% of MWCNTs in the range 0–1 wt%.

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A re-formulation of the Mori–Tanaka method for predicting material properties of fiber-reinforced polymers/composites

Pan

Bian

2019

Colloid Polym Sci

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Effective mechanical properties of unidirectional composites in the presence of imperfect interface

Cited by 12 publications

References 38 publications

Homogenization of Composites with Extended General interfaces: Comprehensive Review and Unified Modeling

Homogenization of Composites with Extended General interfaces: Comprehensive Review and Unified Modeling

A continuum constitutive model for mechanical behavior of 5052 resin epoxy containing various percentages of MWCNTs

A re-formulation of the Mori–Tanaka method for predicting material properties of fiber-reinforced polymers/composites

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