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多尺度异质聚合物复合材料用于高刚度4D打印电控多功能结构.

Javier M Morales Ferrer1, Ramón E Sánchez Cruz1, Sophie Caplan1

  • 1Mechanical Engineering Department, Boston University, 110 Cummington Mall, Boston, MA, 02215, USA.

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概括

这项研究引入了由多尺度异质聚合物复合材料制成的刚性,热敏的4D打印油墨. 这些先进的材料使得4D打印机器人能够提升更大的重量,并实现比当前软材料更高的执行应力.

关键词:
4D打印是一种4D打印.执行器 执行器 执行器自主结构是独立的结构.超材料是指金属材料.变形结构的结构.机器人格子 机器人格子

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科学领域:

  • 材料科学 材料科学 材料科学
  • 机器人技术 机器人技术 机器人技术
  • 增材制造 增材制造 增材制造

背景情况:

  • 4D打印使用响应刺激的材料来改变结构,以时间为第四维.
  • 目前的4D打印材料通常是软的 (E: 10−410 MPa),限制了可扩展性,执行应力和承载能力.

研究的目的:

  • 引入新的多尺度异质聚合物复合材料,用于刚性,热敏的4D打印.
  • 克服软材料在4D打印应用中的局限性.
  • 开发具有可调节电导率的4D打印材料,用于执行和自传感.

主要方法:

  • 开发了多尺度异质聚合物复合材料作为4D打印油墨.
  • 设计了电气可控制的二层层,作为变形结构的构建块.
  • 设计和打印了一种独立的起重机器人和一个多重爬机器人格子结构.

主要成果:

  • 实现了弹性模量 (E) 比现有的4D打印材料大四个数量级.
  • 演示了同时的朱尔加热启动和自传感能力.
  • 打印了一个机器人,在重量正常化,提升负载和执行应力方面创造了新的记录.
  • 创造了一个爬行机器人,能够携带144倍于自身的重量.

结论:

  • 多尺度异质聚合物复合材料代表了4D打印材料的重大进步.
  • 这些硬的响应性油墨可以创建高性能4D打印机器人和复杂结构.
  • 开发的材料为未来的应用提供了增强的承载,执行和自传感能力.