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4D打印的形状记忆弹性体用于热可编程软执行器.

Qingchuan Song1,2, Yunong Chen1, Viacheslav Slesarenko2

  • 1Laboratory of Process Technology, Department of Microsystems Engineering (IMTEK), NeptunLab, Georges-Köhler-Allee 103, Freiburg 79110, Germany.

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PubMed
概括
此摘要是机器生成的。

研究人员开发了一种新的3D打印形状记忆弹性体,其弹性在过渡温度以下和以上. 这一突破使得在广泛的温度范围内能够恢复弹性形状,从而扩大了材料的应用.

关键词:
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科学领域:

  • 材料科学 材料科学 材料科学
  • 聚合物化学 聚合物化学
  • 添加剂制造 添加剂制造 添加剂制造

背景情况:

  • 聚合物形状记忆弹性体 (SMEs) 通过外部刺激恢复编程的形状.
  • 目前的3D打印中小企业在过渡温度以下缺乏弹性,限制了低温应用.
  • 在3D打印的中小企业中,在广泛的温度范围内实现弹性是一个重大挑战.

研究的目的:

  • 开发一种可3D打印的形状记忆弹性体,在过渡温度以下和以上都表现出弹性.
  • 为了证明这种新型材料在先进的执行器应用中的潜力.

主要方法:

  • 使用数字光处理 (3D打印) 制造基于聚乙烯糖醇的定制形状记忆弹性体.
  • 在广泛的温度范围内对材料的机械性能 (模量) 的表征.
  • 编程和测试由开发的弹性体制造的气动执行器.

主要成果:

  • 3D打印的形状记忆弹性体表现出低于和高于其过渡温度的弹性和伸展性.
  • 在不同温度下观察到Young的模量有显著差异 (高达2个数量级).
  • 这种可调节模块可以为不同的运动模式编程气动执行器.

结论:

  • 开发的基于聚乙烯糖醇的形状记忆弹性体克服了现有的3D打印中小企业的局限性.
  • 该材料的温度依赖弹性允许对形状记忆执行器进行多功能编程.
  • 这一创新扩大了形状记忆材料在在不同温度下运行的弹性系统中的应用范围.