Numerical analysis on tensile strength of the sisal hemp/PET filament island phase structure composite rope core yarn by infinitesimal method
文献类型： 外文期刊
作者： Liu, Jiaqian 1 ; Zhu, Zihao 1 ; Hong, Jie 2 ; Liu, Meicheng 2 ; Chen, Zhihua 2 ; Jin, Gang 4 ; Chen, Tao 4 ; Ye, Jianjun 6 ; Wang, Xiaoyin 1 ; Fan, Jie 1 ;
作者机构： 1.Tiangong Univ, Sch Text Sci & Engn, 399 BinShuiXi Rd, Tianjin 300387, Peoples R China
2.Jiangsu Coll Engn & Technol, Sch Text & Fash, 87 Middle Qingnian Rd, Nantong 226001, Jiangsu, Peoples R China
3.Jiangsu Coll Engn & Technol, Jiangsu Adv Text Engn Technol Ctr, Nantong, Jiangsu, Peoples R China
4.Guangxi Subtrop Crops Res Inst, Nanning, Guangxi, Peoples R China
5.Minist Agr & Rural Affairs, Key Lab Qual & Safety Control Subtrop Fruit & Vege, Nanning, Peoples R China
6.Jiangsu Dada Sisal & Jute Text Technol Co Ltd, Nantong, Peoples R China
7.Tiangong Univ, Minist Educ, Key Lab Adv Text Composite Mat, Tianjin, Peoples R China
关键词： Rope core yarn; composite; infinitesimal method; tensile strength; hierarchic spiral structure
期刊名称：JOURNAL OF STRAIN ANALYSIS FOR ENGINEERING DESIGN （ 影响因子：1.8； 五年影响因子：1.6 ）
ISSN： 0309-3247
年卷期： 2025 年
页码：
收录情况： SCI
摘要： In this study, a simple mechanical model was established using infinitesimal method to investigate the tensile strength of a novel sisal hemp/PET filament island phase structure composite rope core yarn with improved mechanical properties comparing with the traditional sisal hemp rope core yarn. The result revealed that the tensile strength of the composite rope core yarns depends on the linear density, breaking elongation, Poisson's ratio of the composite rope and modulus, twist angle, friction coefficient of strings. Six island phase structure composite rope core yarn with the same radius but different sisal hemp to PET filament ratio was prepared, and the tensile strength of the composite rope core was measured. The experimental results were in good agreement with the predicted results, indicating that this model provides a convenient and valuable approach in predicting the tensile strength of composite rope core yarn based on its material composition and spinning parameters. This work not only gives the simple calculation method for estimating the breaking strength of the composite rope core, but also has important significance for the optimal design of the composite rope core yarns.
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