Evaluation of the tensile stress relaxation of biaxial warp-knitted fabrics regarding fabric interweaving structure

IF 2.1 4区 材料科学 Q2 MATERIALS SCIENCE, CHARACTERIZATION & TESTING
Azita Asayesh, Masoome Ramezanzade Bidgoli
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Abstract

Stress relaxation is a time-dependent mechanical behavior of textile materials, which can affect the performance of the fabrics in various applications, especially technical applications such as tensile structures, geotextiles, and medical textiles. The present study aims to consider the effect of fabric structure (Tricot, Locknit, Satin, Queen’s cord, Reverse Locknit, and Sharkskin) on the tensile stress relaxation of biaxial warp-knitted fabrics. According to the results, the fabric structure remarkably influences its stress relaxation. The stress relaxation of the fabric in the course direction increases by increasing the length of underlaps in the front and back guide bars. Using elastic yarns as weft yarns in the fabric structure reduces the stress relaxation of the fabric in the course direction without affecting the fabric’s stress relaxation in the wale direction. Finally, to improve the functionality of pressure garments under stress relaxation, using elastic weft yarns in the fabric structure and bounding the warp and weft yarns in the biaxial warp-knitted fabrics by the Tricot structure is proposed.

Abstract Image

基于织物交织结构的双轴经编织物拉伸应力松弛评价
应力松弛是纺织材料的一种随时间变化的力学行为,它会影响织物在各种应用中的性能,特别是在拉伸结构、土工布和医用纺织品等技术应用中。摘要本研究旨在探讨双轴经编织物结构(梭织、直纬、缎面、皇后绳、反直纬和鲨鱼皮)对经编织物拉应力松弛的影响。结果表明,织物结构对其应力松弛有显著影响。增加前后导杆的下圈长度可以增加织物在过程方向上的应力松弛。在织物结构中使用弹性纱作为纬纱,可以在不影响织物纵向应力松弛的情况下减少织物在纬向上的应力松弛。最后,为了提高压力服装在应力松弛下的功能性,提出了在织物结构中使用弹性纬纱,并在双轴经编织物中采用经纬纱结合的方法。
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来源期刊
Mechanics of Time-Dependent Materials
Mechanics of Time-Dependent Materials 工程技术-材料科学:表征与测试
CiteScore
4.90
自引率
8.00%
发文量
47
审稿时长
>12 weeks
期刊介绍: Mechanics of Time-Dependent Materials accepts contributions dealing with the time-dependent mechanical properties of solid polymers, metals, ceramics, concrete, wood, or their composites. It is recognized that certain materials can be in the melt state as function of temperature and/or pressure. Contributions concerned with fundamental issues relating to processing and melt-to-solid transition behaviour are welcome, as are contributions addressing time-dependent failure and fracture phenomena. Manuscripts addressing environmental issues will be considered if they relate to time-dependent mechanical properties. The journal promotes the transfer of knowledge between various disciplines that deal with the properties of time-dependent solid materials but approach these from different angles. Among these disciplines are: Mechanical Engineering, Aerospace Engineering, Chemical Engineering, Rheology, Materials Science, Polymer Physics, Design, and others.
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