文献类型： 外文期刊
作者： Zou, Qiang 1 ; Zheng, Jia 1 ; Su, Qi 1 ; Wang, Wanli 3 ; Gao, Wei 3 ; Ma, Zhuomin 1 ;
作者机构： 1.Tianjin Univ, Sch Microelect, Tianjin 300072, Peoples R China
2.Tianjin Int Joint Res Ctr Internet Things, Tianjin 300072, Peoples R China
3.Tianjin Acad Agr Sci, Inst Plant Protect, Tianjin 300381, Peoples R China
4.Tianjin Key Lab Imaging & Sensing Microelect Tech, Tianjin 300072, Peoples R China
关键词： Wave-inspired; Ultrastretchable; Predictable cracks; Strain sensor
期刊名称：SENSORS AND ACTUATORS A-PHYSICAL （ 影响因子：3.407； 五年影响因子：3.246 ）
ISSN： 0924-4247
年卷期： 2019 年 300 卷
页码：
收录情况： SCI
摘要： The phenomenon in nature can always inspire human beings in technology. Waves in nature are the transmission of force and energy and the microstructure of wave can concentrate stress at the troughs. The concept of wave is applied to our crack-based strain sensor to benefit the improvement of stretchability of the crack sensor with a formation of predictable cracks. The wave-inspired crack-based strain sensor has wide strain range under the condition of ensuring the extremely high sensitivity. The specific tensile properties of the wave-like crack-based strain sensor are gauge factor (GF)similar to 80 (0% < epsilon < 30%), GF similar to 380 (30% < epsilon < 60%), GF similar to 2585(epsilon > 60%). In addition, it is easy to fabricate such sensors on a large scale with simple manufacturing processes. To demonstrate its excellent sensitivity, the sensor is employed in the monitoring of human expressions and motions. Meanwhile, robot behavior control and weight measurement are used to embody the wide strain range of the sensor. The crack-based strain sensor inspired by wave shows tremendous superiority in flexible wearable devices. (C) 2019 Elsevier B.V. All rights reserved.
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