Preparation and reliability performance evaluation of electro-spun strain sensing membrane

IF 3.7 3区 材料科学 Q1 INSTRUMENTS & INSTRUMENTATION Smart Materials and Structures Pub Date : 2024-08-30 DOI:10.1088/1361-665x/ad70e2
Parian Mohamadi, Shahood uz Zaman, Elham Mohsenzadeh, Cedric Cochrane, Vladan Koncar
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Abstract

The development of textile-based strain sensors signifies a new era for diverse e-textile applications spanning various fields, including health monitoring and sensing equipment. Over decades, the sensor field has experienced significant advancements, incorporating enhancements in sensing accuracy, resolution, measurement range, and robustness, among other aspects. Our article initially focuses on the creation of textile-based strain membrane sensors customized for a range of industrial applications, such as air filter clogging detection and airflow analysis. In the subsequent part of the study, the reliability and washability performance of the sensing membrane, without mechanical damage, were investigated. To achieve this, thermoplastic polyurethane nanofibers were utilized to fabricate a textile sensory membrane. Subsequently, this membrane air transparent (low-pressure drop) and highly resilient was used as a substrate to print strain gauge tracks using carbon conductive ink, with the aid of a flexible printed circuit board printer. The resulting samples underwent comprehensive evaluation for reliability and washability. Prototype membranes were subjected to twelve wash cycles in a top-loading washing machine to assess washing reliability. Both the mechanical and electromechanical properties of the strain membrane sensors were examined both before and after the washing process. The gauge factor of the straight line decreased from 18.14 (region I) and 86.03 (region II) to 20.22 after washing. This value reduced from 0.88 and 4.20 to 0.33, and from 13 and 2.77 to 3.29 and 0.81 for the big zigzag and small zigzag, respectively. Similarly, electrical resistance change after 12 wash cycles was negligible with maximum change 1.12. These results indicate that sensors maintain their functionality even after exposure to multiple washing cycles. In conclusion, it can be inferred that textile-based sensory membranes are well-suited for industrial applications aiming at the measurement of low and high-speed airflows subject to rigorous washing and other potential mechanical stresses.
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电纺应变传感膜的制备和可靠性能评估
基于纺织品的应变传感器的发展标志着跨越健康监测和传感设备等各个领域的各种电子纺织品应用进入了一个新时代。几十年来,传感器领域取得了长足的进步,在传感精度、分辨率、测量范围和鲁棒性等方面都有了很大的提高。我们的文章首先关注的是为一系列工业应用(如空气过滤器堵塞检测和气流分析)定制的纺织应变膜传感器。在随后的研究中,我们对传感膜的可靠性和无机械损伤的可清洗性能进行了调查。为此,我们利用热塑性聚氨酯纳米纤维制造了一种织物传感膜。随后,在柔性印刷电路板打印机的帮助下,将这种空气透明(低压降)且具有高弹性的薄膜用作使用碳导电墨水打印应变计轨迹的基底。由此获得的样品经过了可靠性和可清洗性的全面评估。原型膜在顶置式洗衣机中进行了 12 次洗涤,以评估洗涤可靠性。应变膜传感器的机械和机电特性在洗涤前后都进行了检测。洗涤后,直线的测量系数从 18.14(区域 I)和 86.03(区域 II)降至 20.22。大之字形和小之字形的这一数值分别从 0.88 和 4.20 降至 0.33,从 13 和 2.77 降至 3.29 和 0.81。同样,经过 12 个洗涤周期后,电阻变化微乎其微,最大变化为 1.12。这些结果表明,即使经过多次洗涤,传感器仍能保持其功能。总之,可以推断出基于纺织品的传感膜非常适合工业应用,用于测量受到严格洗涤和其他潜在机械应力影响的低速和高速气流。
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来源期刊
Smart Materials and Structures
Smart Materials and Structures 工程技术-材料科学:综合
CiteScore
7.50
自引率
12.20%
发文量
317
审稿时长
3 months
期刊介绍: Smart Materials and Structures (SMS) is a multi-disciplinary engineering journal that explores the creation and utilization of novel forms of transduction. It is a leading journal in the area of smart materials and structures, publishing the most important results from different regions of the world, largely from Asia, Europe and North America. The results may be as disparate as the development of new materials and active composite systems, derived using theoretical predictions to complex structural systems, which generate new capabilities by incorporating enabling new smart material transducers. The theoretical predictions are usually accompanied with experimental verification, characterizing the performance of new structures and devices. These systems are examined from the nanoscale to the macroscopic. SMS has a Board of Associate Editors who are specialists in a multitude of areas, ensuring that reviews are fast, fair and performed by experts in all sub-disciplines of smart materials, systems and structures. A smart material is defined as any material that is capable of being controlled such that its response and properties change under a stimulus. A smart structure or system is capable of reacting to stimuli or the environment in a prescribed manner. SMS is committed to understanding, expanding and dissemination of knowledge in this subject matter.
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