An experimentally validated model for predicting the tensile modulus of tubular biaxial and triaxial hybrid braids

Ghazal Ghamkhar; Majid Safar Johari; Hossein Hosseini ToudeshkyMahdi Bodaghi

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An experimentally validated model for predicting the tensile modulus of tubular biaxial and triaxial hybrid braids

机译：An experimentally validated model for predicting the tensile modulus of tubular biaxial and triaxial hybrid braids

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Abstract Braiding is a versatile and cost‐effective approach to generating various composite structures for mechanical, sports, and biomedical engineering applications, which are different from each other. For example, a stent is a braided structure and blood penetration in it is essential as much as the right function. Predicting the tensile responses is a prerequisite for the success of implementation of braided structures, and it is usually performed via destructive mechanical testing that might be costly and/or time‐consuming. Therefore, it is essential to provide a model that can accurately predict the tensile modulus. In this research, a theoretical model is developed using the simplification of a braided structure and is validated via testing of biaxial and triaxial braids composed of polyester, glass, and basalt yarns on a 16‐carrier vertical braiding machine. Experimental results not only are used for the model validation but also show the effectiveness of axial yarn presence, hybridization, and the presence of high‐performance yarn in the braided structures on the tensile properties. A good correlation between theoretical values and experimental results is observed approving the high accuracy of the proposed model. This paper is likely to fill a gap in the state of the art and provide pertinent results that are instrumental in the design of hybrid‐braided structures with minimum computational/experimental effort. The research innovation centers on the use of two different yarns to make hybridization, simplicity of the model to be used for biaxial and triaxial braided structures, and a start to omit destructive tests.

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来源
《Polymer Composites》 |2022年第12期|9000-9011|共12页
作者
Ghazal Ghamkhar; Majid Safar Johari; Hossein Hosseini ToudeshkyMahdi Bodaghi;
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作者单位

Nottingham Trent University;

Amirkabir University of Technology;

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原文格式 PDF
正文语种英语
中图分类增强塑料、填充塑料;
关键词
biaxial braid; hybrid braid; tensile modulus; theoretical model; triaxial braid; tubular braid;

An experimentally validated model for predicting the tensile modulus of tubular biaxial and triaxial hybrid braids

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