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Measurements of Strain

Measurements of Strain

Strain quantifies the deformation of a material under force, typically measured as normal strain, which represents the change in length when compared with the original length. Electrical strain gauges are used for enhanced accuracy. These devices consist of a conductive wire mounted on a paper backing that adheres to the material's surface. These gauges operate on the piezoresistive effect, where the wire's electrical resistance changes in response to mechanical deformation. The strain...

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Updated: Jun 21, 2025

Strain Sensing Based on Multiscale Composite Materials Reinforced with Graphene Nanoplatelets

Strain Sensing Based on Multiscale Composite Materials Reinforced with Graphene Nanoplatelets

Published on: November 7, 2016

用于非平面表面的可涂层应变传感器.

Chan Park¹, Jungmin Kim¹, Jeongbeam Kang¹

¹Department of Mechanical Engineering, Chungnam National University, 99 Daehak-ro, 34134, Yuseong-gu, Daejeon, The Republic of Korea. scho@cnu.ac.kr.

|July 16, 2024

概括

一种新的可涂层应变 (CS) 传感器制造方法使灵活的传感器能够在各种非平面上快速直接打印. 这克服了传统传感器的局限性,显示了可穿戴设备和植物监控的前景.

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Applying Dynamic Strain on Thin Oxide Films Immobilized on a Pseudoelastic Nickel-Titanium Alloy

Applying Dynamic Strain on Thin Oxide Films Immobilized on a Pseudoelastic Nickel-Titanium Alloy

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Last Updated: Jun 21, 2025

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Published on: November 7, 2016

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科学领域:

材料科学材料科学材料科学
工程工程师工程师工程师
可穿戴技术可穿戴技术

背景情况:

灵活和可拉伸的传感器对于可穿戴设备至关重要,但在非平面表面制造它们是具有挑战性的.
现有的传感器在灵活性,可重复性和基板兼容性方面经常面临限制.

研究的目的:

开发一种新的快速制造方法,用于直接在各种非平面表面上的灵活和可拉伸的传感器.
为了证明可涂层应变 (CS) 传感器对传统方法的多功能性和优势.

主要方法:

采用了一种新的制造技术,使用模具和凝进行无电,用于直接传感器打印.
将可涂层应变 (CS) 传感器应用于各种基板上,包括具有高轮高度和低模量水凝的基板.
测试了传感器在针头,毛的叶子和水果上的挑战性植物生长监测应用中的性能.

主要成果:

成功地制造出灵活和可拉伸的传感器,直接放置在无基板的各种非平面表面上.
与传统的基于聚合物的传感器相比,CS传感器显示出更高的灵活性,可重复性和信号噪声比率.
该传感器在复杂的工厂监测场景中被证明是有效的,突出了其适应性和稳定性.

结论:

这种新的无电法可快速,无基板制造多功能可涂层应变传感器 (CS).
CS传感器克服了传统灵活传感器的关键局限性,提供更好的性能和更广泛的应用.
这项技术在可穿戴设备和环境监测应用中具有重大潜力.