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通过应用微细胞泡过程来开发动态四维打印技术,用于图案结构.

Kwan Hoon Kim1, Jae Hoo Kim2, Jin Hong1

  • 1School of Mechanical Engineering, Yonsei University, 50 Yonsei-ro, Seodaemoon-gu, Seoul 03722, Republic of Korea.

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概括

这项研究展示了使用常见材料,如PLA和微细胞泡过程 (MCPs) 的新型四维 (4D) 打印. 这种方法可以在没有智能材料的情况下,在3D打印对象中实现可预测的运动.

关键词:
4D打印是一种4D打印.批发发泡的过程 批发发泡的过程微细胞泡过程的过程.图案设计 图案设计一个聚合物聚合物.

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科学领域:

  • 材料科学 材料科学 材料科学
  • 制造业 工程 制造工程
  • 聚合物科学 聚合物科学

背景情况:

  • 四维 (4D) 打印利用时间作为一个维度,使3D打印的物体能够根据刺激而改变形状.
  • 传统的4D打印依赖于特殊材料,如形状记忆聚合物 (SMP) 或合金 (SMA).
  • 这限制了可访问性,并增加了软机器人,航空航天,服装和汽车行业应用的成本.

研究的目的:

  • 探索一种新的4D打印方法,使用微细胞泡工艺 (MCP) 应用于3D打印.
  • 从常见材料 (如PLA) 设计和制造有图案的标本,并在发泡条件下分析它们的动态行为.
  • 通过控制的图案和泡来证明3D打印对象的可预测变形.

主要方法:

  • 使用聚乳酸 (PLA) 3D打印有图案的标本.
  • 微细胞泡过程 (MCP) 作为外部刺激的应用.
  • 测量样品曲以量化在不同发泡条件下的动态行为.

主要成果:

  • 用MCP打印的3D打印标本表现出可预测的,可控的变形.
  • 不对称的膨胀,由泡过程中的差异气和驱动,导致观察到的运动.
  • 成功实现了使用传统材料和泡工艺的4D打印.

结论:

  • 用像PLA这样的标准材料可以实现四维 (4D) 打印,从而消除了对智能材料的需求.
  • 微细胞泡过程 (MCP) 为4D打印应用提供了一个新的,可访问的外部刺激.
  • 将3D打印与MCP相结合,为先进的,具有成本效益的4D打印技术提供了一个有前途的途径.