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相关实验视频

Updated: Jun 1, 2025

Planar and Three-Dimensional Printing of Conductive Inks
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Planar and Three-Dimensional Printing of Conductive Inks

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调整基于银的墨水的打印能力和粘附性,用于通过直接墨水写作制造的高性能应变计.

Md Alamgir Hossain1, Gabriela Plautz-Ratkovski1, Joshua DeGraff2

  • 1Department of Chemical and Biomedical Engineering, FAMU-FSU College of Engineering, Tallahassee, Florida 32310, United States.

ACS omega
|January 20, 2025
PubMed
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这项研究开发了高灵敏度,耐用的印刷张力计,用于结构健康监测,使用一种新的油墨配方. 新的仪表表现出卓越的性能和稳定性,用于太空探索应用.

科学领域:

  • 材料科学 材料科学 材料科学
  • 机械工程 机械工程
  • 航空航天工程 航空航天工程

背景情况:

  • 结构健康监测 (SHM) 对太空探索安全至关重要.
  • 传统的张力计缺乏要求高的应用所需的灵敏度和耐用性.
  • 现有的张力计具有较低的尺度因子 (GF ~ 2),这限制了它们的有效性.

研究的目的:

  • 开发高度灵敏,可拉伸和耐用的印刷式张力计.
  • 为了优化油墨配方,用于直接油墨写作 (DIW) 的张力计.
  • 为了提高印刷式张力计的长期传感响应和可靠性.

主要方法:

  • 使用商业银墨水 (CB028) 与乙烯纤维素 (EC) 和聚烯 (PO) 添加剂配制粘弹性油墨.
  • 系统的风湿学特征包括频率扫描,收益应力,粘弹性恢复,粘度和杆测试.
  • 应用粘弹性窗口方法来预测DIW的最佳油墨特性.
  • 通过DIW制造张力计,并使用三点曲配置进行测试.

主要成果:

  • 一种优化的油墨配方 (90% CB028,5% EC,5% PO) 显示了增强的弹性,粘合力和剥离强度.
  • 配方的墨水实现了高接 (129 mN/mm2) 和剥离强度 (23.3 kJ/mm2),非常适合DIW.

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相关实验视频

Last Updated: Jun 1, 2025

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  • 打印的应变计表现出高测量因子 (GF~106),在300个应变周期内具有稳定的传感响应.
  • 微观结构分析显示,裂形成最小,确保稳定的性能.

    • 结论:

    • 这项研究成功地证明了制造具有卓越灵敏度和耐久性的高性能印刷张力计的可行性.
    • 开发的油墨配方和DIW工艺为航空航天和其他关键应用中的先进结构健康监测提供了有前途的解决方案.
    • 这项研究为下一代印刷电子传感器铺平了道路,这些传感器具有增强的机械和传感能力.