Study on Damage Development of Woven Fabric Composites with Spread Tow

Kurashiki, Tetsusei; Zako, Masaru; Hayashi, Yoshihiko; Verpoest, Ignass

doi:10.1016/b978-1-85573-831-7.50179-6

Cited by 2 publications

(3 citation statements)

References 1 publication

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“…Recently, many researchers have studied the finite element analysis to predict mechanical properties of textile composites, and mechanical properties and failure behaviors of plain weave composites have been estimated [1] [2]. Though the mechanical behavior for woven composites with spread yarns has been investigated, the effect of microscopic damage on the macroscopic mechanical properties has not been considered completely in a previous paper [3].…”

Section: Introductionmentioning

confidence: 99%

Mechanical Behaviours for Textile Composites by FEM Based on Damage Mechanics

Kurashiki

Nakai

Hirosawa

et al. 2007

KEM

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To make an expansion of composite consumption ever widening with use at demanding and safety critical applications, it is important to establish the evaluation technique of the strength, the safety, etc. To reach the goal with a useful reliable technique, we have developed a numerical simulation program on damage development of composites based on damage mechanics. The following points are the keys to simulate the mechanical behavior; (1) The generation technique of FE model with yarns and matrix, (2) The classification of anisotropic damage mode based on damage mechanics, (3) Multi-scale modeling by Mesh superposition method. In this paper, the numerical technique and the results of multi-scale analysis of woven composites are described.

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Section: Introductionmentioning

confidence: 99%

Mechanical Behaviours for Textile Composites by FEM Based on Damage Mechanics

Kurashiki

Nakai

Hirosawa

et al. 2007

KEM

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“…Kurashiki et al. 29 discussed the damage evolution of spread tow woven composites with a single-layer fabric thickness of 0.36 mm. Cugnoni et al.…”

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confidence: 99%

“…The challenges remain to model the thickness of single-layer spread tow, the curvature of spread yarns and the effective UCs. Kurashiki et al 29 discussed the damage evolution of spread tow woven composites with a single-layer fabric thickness of 0.36 mm. Cugnoni et al 30 pointed out that spread tow is usually less than 0.1 mm thick.…”

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confidence: 99%

Numerical study on thermal conductivities of spread tow woven pierced composites

Dou

et al. 2022

Textile Research Journal

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Textile reinforced composites are extensively used in thermal protection engineering because of their outstanding mechanical and physical properties. Spread tow woven pierced composites (STWPs) are composed of fiber rods, a spread tow and a matrix with small air pores. In the experiment, the STWPs displayed improved thermal conductivities compared with traditional woven composites. Thermal conductivities in the in-plane and out-of-plane directions have increments of 18.7% and 16.7%, respectively. This is mainly attributed to the influence of the fiber volume fraction. Herein, three numerical models were constructed to predict the thermal conductivities of the matrix, spread tow and fiber rods, and as the input parameter of the mesoscale model. The curvature of the interlaced tow in the mesoscale model was defined considering that the spread tow is extremely light and thin. The predicted results are in accordance with the experimental results, with only 8.13% and 8.94% errors in the in-plane and out-of-plane directions, respectively, indicating that the numerical models are accurate and effective. In addition, the thermal conductivities of STWPs decrease with the increase of porosity, but increase with the increment in fiber volume fraction and interphase thermal conductance. This work can provide effective guidance for the thermal design of STWPs.

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Study on Damage Development of Woven Fabric Composites with Spread Tow

Cited by 2 publications

References 1 publication

Mechanical Behaviours for Textile Composites by FEM Based on Damage Mechanics

Mechanical Behaviours for Textile Composites by FEM Based on Damage Mechanics

Numerical study on thermal conductivities of spread tow woven pierced composites

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