Damage model for predicting shear strength of carbon/carbon composite fastener based on post-failure behavior

Liu, Faqi; Guan, Zhidong; Bian, Tianya

doi:10.1016/j.compstruct.2019.04.036

Cited by 7 publications

(3 citation statements)

References 34 publications

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“…Carbon fibers are the reinforcements for C/C composites. [26][27][28][29] Based on the specific needs and application fields, carbon fibers are usually woven into porous clothes or preforms according to certain weaving methods. According to the dimensions of preforms, the carbon fiber reinforcements were divided into 2D woven carbon fiber cloth [30] and 3D carbon fiber felt.…”

Section: Carbon Fiber Preformsmentioning

confidence: 99%

Recent Progress in 1D Nanostructures Reinforced Carbon/Carbon Composites

Yin

Han

Liu

et al. 2022

Adv Funct Materials

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Carbon fiber reinforced carbon matrix (carbon/carbon, C/C) composites have become the promising candidates for high‐temperature thermal structure materials in aerospace fields, owning to a series of excellent structural merits. However, for aculeate or thin‐walled C/C composites, due to the fact that continuous carbon fibers are cut off during the machining process and the amount of residual carbon fibers is limited, carbon matrix cannot be effectively strengthened just by using carbon fibers, resulting in a sharp decline in mechanical performance. Furthermore, the rapid development of aerospace vehicles requires that C/C composites not only have excellent mechanical properties but also possess multifunctional properties. To effectively solve these problems and meet the increasing demands, various 1D nanostructures as nanoreinforcements have been introduced into C/C composites, achieving the great improvement in mechanical and functional properties. In this review, the state‐of‐the‐art research activities regarding different 1D nanoreinforcements applied in C/C composites are systematically summarized. Finally, this review is concluded and the future research prospects are proposed. This review provides the “1D nanoreinforcements” strategy to further improve the properties of C/C composites, which could be widely used for reference by researchers in the fields of different fiber/matrix composites.

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Section: Carbon Fiber Preformsmentioning

confidence: 99%

Recent Progress in 1D Nanostructures Reinforced Carbon/Carbon Composites

Yin

Han

Liu

et al. 2022

Adv Funct Materials

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“…Liu [ 23 ] proposed a material degradation method based on post-failure behavior in the C/C composite shear model, and it successfully predicted the progressive failure of a cylindrical test specimen. When the tensile failure in direction 1 occurs at a certain element, the element can no longer resist tension along direction 1 and shear in the 1–2 and 1–3 plane.…”

Section: Numerical Modellingmentioning

confidence: 99%

Experimental and Numerical Investigation on C/SiC Composite Z-Pinned/Bonded Hybrid Single-Lap Joints

Wang

Guan

et al. 2021

Materials

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Z-pinned/bonded joints are great potential connection components that have been used in the 2D C/SiC composite structures; however, the hybrid joints present complex failure mechanism considering the secondary deposited SiC matrix in the clearance. Therefore, the mechanical performance and failure mechanism of the joints are investigated through experimental and numerical methods in this paper. Experiment results show that two peaks exist in the load–displacement curves. The first load peak is 2891–4172 N with the corresponding displacement of 0.10–0.15 mm, and the second load peak is 2670–2919 N with the corresponding displacement of 0.21–0.25 mm. Besides that, the secondary deposited SiC matrix exhibits discrete distribution, and it has significant effects on the failure mechanism. Validated by experimental data, the proposed three-dimensional numerical model based on modified Hashin’s criterion and fastener element can predict the mechanical performance and failure process. The numerical results indicate that the first load peak is dominated by the deposited SiC matrix near the edge, while the second peak is dominated by the z-pin and the SiC matrix near the z-pin. Moreover, the effects of the deposited SiC matrix’s strength and distribution are discussed, which is meaningful to the optimal design of C/SiC composite z-pinned/bonded hybrid single-lap joints.

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“…Because the homogenization theory is combined, the interaction between components can be taken into account in the model, so that the stiffness prediction accuracy of C/C composite materials is higher [17][18][19]. The energy method-based prediction method of CTE of composite materials derived by Zhang [20][21][22][23] is more convenient to calculate than the homogenization method, and has been gradually popularized in the industry.…”

Section: Introductionmentioning

confidence: 99%

Study on Properties Prediction and Braiding Optimization of Axial Braided Carbon/Carbon Composite

Wang

Cao

Tang³

et al. 2020

Materials

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It is well established that the microstructure has significant effects on the properties of axial braided C/C composites. In this study, a method coupling the homogenization method and finite element method (FEM) was proposed to predict the relationship between the microstructure characteristics and macroscopic properties. Based on the representative volume element (RVE) model, the periodic displacement boundary condition was introduced to predict the equivalent elastic properties of the RVE and component of C/C composite material, and the coefficient of thermal expansion (CTE) of the material was predicted by the energy prediction method. The predicted results were in good agreement with experimental results. By predicting the thermal and mechanical properties of the materials with different braiding spacing and fiber rod diameter, the variation of the properties with braiding spacing and fiber rod diameter was obtained. The research methods and results in this paper could provide important references for the optimization and rational application of composite materials.

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Damage model for predicting shear strength of carbon/carbon composite fastener based on post-failure behavior

Cited by 7 publications

References 34 publications

Recent Progress in 1D Nanostructures Reinforced Carbon/Carbon Composites

Recent Progress in 1D Nanostructures Reinforced Carbon/Carbon Composites

Experimental and Numerical Investigation on C/SiC Composite Z-Pinned/Bonded Hybrid Single-Lap Joints

Study on Properties Prediction and Braiding Optimization of Axial Braided Carbon/Carbon Composite

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