Abrasion performance and failure mechanism of fiber yarns based on molecular segmental differences

IF 2.2 4区 工程技术 Q1 MATERIALS SCIENCE, TEXTILES
Hongxia Li, Guifang He, Zhengjie Zhao, Qingyang Liu, Junben Wang, Yanzheng Yin, Yuli Cui, Xin Ning, Fanggang Ning
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引用次数: 1

Abstract

With the development of lightweight engineering, load-bearing structures such as synthetic fiber ropes are being increasingly used in engineering projects. During the process of repeated stretching or bending, abrasion occurs between the yarns of fiber assemblies like ropes. Fatigue failure caused by abrasion between yarns is one of the main reasons for the failure of such fiber assemblies. Different chain segments of fiber assemblies exhibit different properties. This study takes the four fibers of flexible chain fibers Ultra-high molecular weight polyethylene (UHMWPE), Polyethylene glycol terephthalate (PET) and rigid chain fibers Poly-p-phenylene terephthamide (PPTA) and Polyarylate (PAR), which are widely used in ropes and cables, as the research materials, and explores the influence of abrasion frequency and yarn tension on different chain segment fibers. To explore the failure and influencing factors of rigid chain and flexible chain fibers abrasion leads to fiber assemblies like those ropes. Based on the observation and analysis of the abrasion zone temperature, yarn state, and wear debris morphology of failed yarns, an abrasion failure mechanism is proposed, providing guidance for the design and application of fatigue-resistant products for ropes.
基于分子段差异的纤维纱磨损性能和失效机理
随着轻质工程的发展,工程项目中越来越多地使用合成纤维绳索等承重结构。在反复拉伸或弯曲的过程中,绳索等纤维组件的纱线之间会发生磨损。纱线间磨损引起的疲劳失效是此类纤维组件失效的主要原因之一。纤维组件的不同链段表现出不同的特性。本研究以广泛应用于绳缆的柔性链纤维超高分子量聚乙烯(UHMWPE)、聚对苯二甲酸乙二醇酯(PET)和刚性链纤维聚对苯二甲酰对苯二胺(PPTA)和聚芳酯(PAR)这四种纤维为研究材料,探讨磨损频率和纱线张力对不同链段纤维的影响。探究刚性链和柔性链纤维磨损导致这些绳索等纤维组件的失效和影响因素。根据对磨损区温度、纱线状态和失效纱线磨损碎片形态的观察和分析,提出磨损失效机理,为绳索抗疲劳产品的设计和应用提供指导。
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来源期刊
Journal of Engineered Fibers and Fabrics
Journal of Engineered Fibers and Fabrics 工程技术-材料科学:纺织
CiteScore
5.00
自引率
6.90%
发文量
41
审稿时长
4 months
期刊介绍: Journal of Engineered Fibers and Fabrics is a peer-reviewed, open access journal which aims to facilitate the rapid and wide dissemination of research in the engineering of textiles, clothing and fiber based structures.
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