In many technical applications, ranging from composites to body armor, fabrics that are mouldable can be very useful. This paper investigates the mouldability of angle-interlock woven fabrics, which have low shear rigidity compared to woven fabrics with other weave structures. Angle-interlock fabrics with different structural parameters are designed and produced, and their mouldability is assessed using two different methods, a shear test and a deformation test. Results show that for a given yarn type, the mouldability of angle- interlock fabrics is closely related to fabric density and the number of weft layers. The mouldability tester developed in this research is useful and effective in assessing fabric mouldability.
This paper aims to investigate the relationship of the weave combination and the moldability for dome-shaped fabrics. The weave combination plays a fundamental role in composing the dome shape for the dome-shaped fabric. Twelve concentric-round patterns were designed according to different weave arrangements varied systematically. It is found that a better dome shape could be formed using the weave sequence with long floats in the outer circle and short floats in the inner circle, compared to the opposite weave sequence. This is because the weave with long floats is easy to shrink and the weave with short floats is easy to invade. The larger the shrinkage in the outer edge, the more area could be pulled forward to the center to form the dome. The dome effect could be further strengthened by the shrinkage of long floats in the middle circle of the concentric-round. In addition, the washing treatment could give a positive influence on the moldability, as the study result shows that the dome depth of specimens was better after washing than before washing.
Bu çalışmada, cilt lekeleri azaltıcı etkisi bilinen β-arbutin ilave edilmiş polimer çözeltisinden nanoliflerin elektrolif çekim yöntemi ile üretimi amaçlanmıştır. Bu amaçla %2, %5 ve %10 (w/v) oranlarında β-arbutin, formik asit ile hazırlanmış poliamid 6 çözeltisine ilave edilerek, çözeltilerin elektrolif çekimleri gerçekleştirilmiş ve gerçekleştirilen taramalı elektron mikroskobu (SEM) analizi ile optimum elektrolif çekim parametreleri belirlenmeye çalışılmıştır. SEM görüntüleri, en düzgün morfolojili nanoliflerin %2 (w/v)'lik β-arbutin içeren çözelti ile elde edilebildiğini göstermiştir. %2 (w/v) konsantrasyon değeri ile çalışılırken denenen 3 farklı voltajdan 30 kV'un en iyi sonucu verdiği gözlemlenmiştir. Ortalama lif çapları için gerçekleştirilen istatistiksel analizde, nanoliflerin çaplarının konsantrasyon değerlerine göre değiştiği belirlenmiştir. Bu çalışmada, cilt lekeleri azaltıcı madde içeren nanolifli tekstil yüzeylerinin hafif ve oldukça ince formda bir kozmetik tekstil ürünü olarak kullanılmak üzere elektrolif çekim yöntemi ile üretilebileceği gözler önüne serilmiştir.
In this study, experimental and statistical evaluation of antibacterial, mechanical, and comfort properties of woven fabrics consisting of cotton, bamboo and silver yarns were presented. For the purpose of the study; cotton-bamboo and cotton-silver blended fabrics were produced, mechanical properties (such as tensile strength and tear strength) were investigated, antibacterial activities were determined, and thermal comfort properties (such as thermal conductivity, thermal absorption, thermal resistance, air permeability, water vapor permeability, and water vapor resistance) were measured. Statistical evaluations were performed by one way ANOVA and Tukey HSD and Tamhane's T2 test methods. According to the outputs of the research, the mechanical and comfort properties can be improved and the antibacterial activities can be obtained of shirting and bedding fabrics by differing weft yarn type and density.
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