Analysis of the dynamic properties of elastic knitted fabric for sportswear: inverse stress relaxation

Liu, Su; Zhou, Jinyun

doi:10.1177/0040517518779247

Cited by 9 publications

(3 citation statements)

References 15 publications

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“…17 Liu and Zhou (2019), focused on the inverse stress relaxation occurs during repeated wear in compression garments used in sportswear in order to offer a guidance for elevating the sportswear performance with regards to fabric engineering and stitch design. 18 Younesi and Ezazshahabi (2020) inspected tensile and stress relaxation of woven fabrics with various weave patterns in different directions. Their observations state that stress relaxation behavior of fabrics depends on the fabric direction, weave structure and also exerted strain level and its variation in terms of fabric direction follows a Gaussian function.…”

Section: Introductionmentioning

confidence: 99%

Assessment of the influence of stitching on the tensile stress relaxation of laminated fabrics

Abrishami

Ezazshahabi

Mousazadegan

2022

Journal of Industrial Textiles

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Different parts of the garment may be laminated with an interlining in order to obtain specific appearance and form. Mechanical properties of the laminated fabric is affected by the properties of interlining and differs from the face fabric. Moreover, the existence of seam for joining the laminated fabrics in various parts of the garment is another issue, which has to be considered during the evaluation of the mechanical behavior of garment. Garments’ time dependent mechanical behavior such as the tensile stress relaxation is of great importance while wearing them. In this study, the tensile properties and the stress relaxation of a group of woven fabric, which was laminated by a nylon interlining, were investigated at two strain levels, before and after stitching. In this regard, the effects of strain level, lamination process, seam type and the stitch length were evaluated. According to the results, it can be declared that increasing the strain level reduces the stress relaxation percentage. The laminated fabric presented higher values of tensile stress and strain, while lower stress relaxation was occurred in this structure compared to the un-laminated fabric. Analysis of results showed that higher stress relaxation was obtained for the “stitched laminated fabric” compared to the “laminated fabric without seam.” Overall, in the presence of seam, the stress relaxation is affected by the seam type and the stitch length. Finally, the best correlation between the experimental stress relaxation results and the viscoelastic models were obtained for the two-component Maxwell model. The result of this study should be considered in designing and manufacturing of protective textiles and clothing that include both lamination and stitching processes and during use may be encountered with constant strains for a period of time.

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Section: Introductionmentioning

confidence: 99%

Assessment of the influence of stitching on the tensile stress relaxation of laminated fabrics

Abrishami

Ezazshahabi

Mousazadegan

2022

Journal of Industrial Textiles

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“…An elastic thread such as spandex is widely used for delivering the stretch property into a fabric, and its effect on the garment comfort has been investigated experimentally. 2–6…”

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confidence: 99%

Influence of the mechanical stretch property of fabrics on the wear comfort of men’s suit pants

Kanai

Ogawa

Sasagawa

et al. 2021

Textile Research Journal

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The stretch property of fabrics is one of the most important factors that provide comfort to wearers. It is expected that tension building up in the fabric can be relaxed and the garment pressure on the body can be reduced by appropriately exploiting its stretch property. Currently, the stretch property is predominantly realized using spandex. However, weaving or knitting elastic threads cannot be employed for the worsted fabric used to design men’s suits because of their effects on the mechanical properties of the fabric (e.g., embrittlement), which deteriorate with time. In this study, worsted fabric with a graded mechanical stretch property was produced, and the effect of the mechanical stretch property on comfort was verified. The mechanical stretch property is developed from the tension relaxation and fabric shrinkage along the weft yarn during the crabbing, scouring, and drying stages of the finishing process. Then, the form of the fabric is set by heating. In this study, the worsted fabric had an elongation ratio varying from 5.9% to 16.1% along the weft direction that was produced without using elastic thread. Furthermore, men’s suit pants were made from the fabrics. The effect of the stretch property on the garment comfort was verified through sensory evaluation and garment pressure measurement. The contribution of the mechanical stretch property in improving the garment comfort of men’s suit pants is discussed.

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“…Although diverse researchers have concentrated on the kind of fabric used in compression hosiery manufacturing (Koncar, 2016; Liu & Zhou, 2019), few of them have demonstrated the performance of woven fabrics in generating garment pressure. Maqsood, Nawab, Umar, Umair, and Shaker (2017) found that bi-stretch woven fabrics had better compression performance after many washes and maintained the durability of their effect after repeated use, while knitted stretchable fabrics lost their compression properties after repeated use.…”

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confidence: 99%

Clothing Pressure Modeling Using the Modified Laplace’s Law

Barhoumi

Marzougui

Abdessalem

2019

Clothing and Textiles Research Journal

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Today, various kinds of pressure garments are designed for specific applications in medical and sports fields. Knitted garments are the most used in these applications due to their high extensibility. The objective of the investigation reported in this article was to develop a theoretical relationship based on Laplace’s law, which describes the compression behavior of knitted compression samples in quasi-static deformation from an initially relaxed state to an extended state. Even though several researchers have used Laplace’s law, there is some discord between theoretical and experimental results. So, it is essential to pinpoint the most important parameters that influence the mechanical properties of the compression knitted garment in order to better describe the interface pressure it applies to the human body. Fabric parameters that influenced the interface pressure, such as elasticity modulus, strain, and thickness, were determined and integrated into Laplace’s law.

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Analysis of the dynamic properties of elastic knitted fabric for sportswear: inverse stress relaxation

Cited by 9 publications

References 15 publications

Assessment of the influence of stitching on the tensile stress relaxation of laminated fabrics

Assessment of the influence of stitching on the tensile stress relaxation of laminated fabrics

Influence of the mechanical stretch property of fabrics on the wear comfort of men’s suit pants

Clothing Pressure Modeling Using the Modified Laplace’s Law

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