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Ecoflex及其配方在单轴测试下的全面实验、模拟与表征力学分析

A Comprehensive Experimental, Simulation, and Characterization Mechanical Analysis of Ecoflex and Its Formulation Under Uniaxial Testing.

作者信息

Janardhana Ranjith, Akram Fazli, Guler Zeynel, Adaval Akanksha, Jackson Nathan

机构信息

Center for High Technology Materials, The University of New Mexico, Albuquerque, NM 87106, USA.

The Department of Mechanical Engineering, The University of New Mexico, Albuquerque, NM 87131, USA.

出版信息

Materials (Basel). 2025 Jun 26;18(13):3037. doi: 10.3390/ma18133037.

DOI:10.3390/ma18133037
PMID:40649524
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC12251012/
Abstract

The current study focuses on the manufacturing and characterization of various forms of Ecoflex and their composites to improve the mechanical properties and surface texture, specifically for use in wearable sensors and electronic skin applications. Various types of Ecoflex elastomers were mixed to form blended composite materials, which could be used to tune the mechanical properties. Experimental and simulation methods were conducted to understand the mechanical behavior and material properties of the manufactured samples under large deformation (1200% strain) by various dynamic loading conditions. Further, the surface conditions of specimens were analyzed and evaluated using scanning electron microscopy and contact angle goniometer. The Yeoh model reasonably predicts the viscoelastic and hysteresis behavior of Ecoflex and its composites in accordance with the experimental data for small and large strain. The surface smoothness and moisture-resistant properties of the material surface were enhanced up to a contact angle of 127° (maximum) by adding x = 15 wt% of surface tension diffusers, with a slight compromise in stretchability. This comprehensive investigation and database of Ecoflex-Ecoflex composite can guide and help researchers in selecting and applying the most appropriate Ecoflex/blended solutions for a specific application, while providing insight into the mechanics of materials of blended materials.

摘要

当前的研究聚焦于各种形式的Ecoflex及其复合材料的制造与表征，以改善其机械性能和表面质地，特别是用于可穿戴传感器和电子皮肤应用。将各种类型的Ecoflex弹性体混合以形成混合复合材料，可用于调整机械性能。通过各种动态加载条件，采用实验和模拟方法来了解制造样品在大变形（1200%应变）下的力学行为和材料性能。此外，使用扫描电子显微镜和接触角测角仪对样品的表面状况进行分析和评估。Yeoh模型根据小应变和大应变的实验数据合理地预测了Ecoflex及其复合材料的粘弹性和滞后行为。通过添加15 wt%的表面张力扩散剂，材料表面的表面光滑度和防潮性能提高到了127°（最大值）的接触角，拉伸性略有下降。这项对Ecoflex-Ecoflex复合材料的全面研究和数据库可以指导并帮助研究人员为特定应用选择和应用最合适的Ecoflex/混合解决方案，同时深入了解混合材料的材料力学。

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