Analysis of driving forces of 3D knitted shape memory textile actuators using scale-up finite element method

IF 2.3 4区 管理学 Q1 MATERIALS SCIENCE, TEXTILES
SangUn Kim, Jooyong Kim
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引用次数: 2

Abstract

The shape memory textile actuator uses a shape memory alloy that changes its crystal structure according to temperature and then returns to its initial shape, which is suitable for wearable applications that value wearing and portability. The shape memory effect of returning to the initial shape and the complex fabric structure influence each other, and accordingly, various drives have been measured in many studies. Therefore, in this study, the driving force, which is the most important physical property of the shape memory textile actuator, was analyzed through a scale-up finite element analysis. In the wire scale, a shape memory alloy wire was obtained for an analysis of the mechanical and thermal properties through tensile tests and DSC, and in the unit cell scale, a 3D knit structure was modeled using the Texgen and Weftknit programs. Finally, a supercell of size 5 × 5 was subjected to external deformation by displacement and heating conditions using disposition through the ANSYS program. The driving force was measured through microanalysis. Subsequently, the driving force of the manufactured shape memory textile actuator was compared and analyzed to determine the suitability of this method. Furthermore, the direction of subsequent studies was mapped based on the analysis presented on the differences in the maximum driving force and error rate.

三维针织形状记忆织物执行器驱动力的放大有限元分析
形状记忆纺织致动器使用形状记忆合金,根据温度改变其晶体结构,然后恢复其初始形状,适用于重视磨损和便携性的可穿戴应用。回归初始形状的形状记忆效应与复杂织物结构的形状记忆效应相互影响,因此在许多研究中测量了各种驱动因素。因此,在本研究中,驱动力作为形状记忆纺织致动器最重要的物理特性,通过放大有限元分析进行了分析。在金属丝尺度上,通过拉伸测试和DSC分析了形状记忆合金金属丝的力学和热性能;在单位细胞尺度上,使用Texgen和Weftknit程序对三维编织结构进行了建模。最后,利用ANSYS程序对5 × 5尺寸的超级单体进行了位移和加热条件下的外部变形处理。驱动力通过微量分析测定。随后,对所制造的形状记忆纺织品致动器的驱动力进行了比较和分析,以确定该方法的适用性。通过对最大驱动力和错误率差异的分析,提出了后续研究的方向。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Fashion and Textiles
Fashion and Textiles Business, Management and Accounting-Marketing
CiteScore
4.40
自引率
4.20%
发文量
37
审稿时长
13 weeks
期刊介绍: Fashion and Textiles aims to advance knowledge and to seek new perspectives in the fashion and textiles industry worldwide. We welcome original research articles, reviews, case studies, book reviews and letters to the editor. The scope of the journal includes the following four technical research divisions: Textile Science and Technology: Textile Material Science and Technology; Dyeing and Finishing; Smart and Intelligent Textiles Clothing Science and Technology: Physiology of Clothing/Textile Products; Protective clothing ; Smart and Intelligent clothing; Sportswear; Mass customization ; Apparel manufacturing Economics of Clothing and Textiles/Fashion Business: Management of the Clothing and Textiles Industry; Merchandising; Retailing; Fashion Marketing; Consumer Behavior; Socio-psychology of Fashion Fashion Design and Cultural Study on Fashion: Aesthetic Aspects of Fashion Product or Design Process; Textiles/Clothing/Fashion Design; Fashion Trend; History of Fashion; Costume or Dress; Fashion Theory; Fashion journalism; Fashion exhibition.
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