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相关实验视频

Updated: Jun 29, 2025

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通过可调节丝直径的3D打印来处理梯度问题.

Huawei Qu1,2, Chongjian Gao1, Kaizheng Liu1

  • 1Research Center for Human Tissue and Organ Degeneration, Institute of Biomedicine and Biotechnology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China.

Nature communications
|April 4, 2024
PubMed
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研究人员开发了一种新的3D打印方法,以创建具有可调节结构的复杂梯度材料. 这种技术克服了现有的3D打印的局限性,为各种应用实现了对材料梯度的精确控制.

科学领域:

  • 材料科学 材料科学 材料科学
  • 增材制造 增材制造 增材制造
  • 通过3D打印打印3D打印.

背景情况:

  • 自然界中的等级结构表现出完整性和多样性.
  • 直接墨水写作3D打印制造了1D和2D等级结构.
  • 由于梯度维度,分辨率和形状保真度的局限性,现有的方法在3D梯度材料制造方面遇到了困难.

研究的目的:

  • 引入一个可调节丝径的3D打印策略.
  • 为了使传统的挤出3D打印机能够生产1D,2D和3D梯度材料.
  • 为了实现高形状保真度的可调整的异质结构.

主要方法:

  • 通过定制打印速度和高度来开发直径可编程的丝片.
  • 沿着印刷轨迹使用沉积油墨体积的持续变化.
  • 集成定制支层,以提高形状的真实性.

主要成果:

  • 成功生产了具有可调整异质结构的1D,2D和3D梯度材料.
  • 在印刷梯度结构中表现出高形状保真性.
  • 展示了各种应用,包括梯度结构,元结构,组织支架和灵活的电子产品.

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Last Updated: Jun 29, 2025

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结论:

  • 开发的策略克服了3D梯度材料制造的局限性.
  • 这种技术可以适应各种基于光纤的增材制造技术.
  • 促进了跨多个学科的功能分级结构的进步.