导线
数码产品
导电体
表征(材料科学)
可穿戴技术
材料科学
弯曲半径
弯曲
机械工程
可穿戴计算机
数字图像相关
半径
柔性电子器件
工作(物理)
复合材料
结构工程
计算机科学
纳米技术
电气工程
工程类
嵌入式系统
计算机安全
作者
Chong Ye,Charles Ume,Suresh K. Sitaraman
摘要
Abstract Wearable electronics undergo stretching, flexing, bending, and twisting during the process of being put on and while being worn. In addition, wearable textile electronics also need to survive under cyclic washing. During such processes, it is necessary to ensure that the electronics as well as the conductors and various other supporting materials remain reliable. In this work, mechanical characterization of various materials in a commercially available smart shirt is presented. The serpentine conductor used in the smart shirt has been carefully examined to understand the strain distribution at various locations under stretching. Both analytical formulations and numerical simulations have been carried out to determine the strain distribution in the serpentine structure, and the results from the simulations have been compared against experimental data obtained through two-dimensional digital image correlation (2D DIC). Various design configurations of the semicircular serpentine structure have been studied in this work, and a relationship between width and the neutral line radius of the semicircular serpentine structure has been obtained to reduce maximum strains in the serpentine structure under stretching.
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