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Updated: Jun 27, 2025

An Additive Manufacturing Technique for the Facile and Rapid Fabrication of Hydrogel-based Micromachines with Magnetically Responsive Components

An Additive Manufacturing Technique for the Facile and Rapid Fabrication of Hydrogel-based Micromachines with Magnetically Responsive Components

Published on: July 18, 2018

用于可变形执行器的磁场诱导形状记忆水凝.

Ye Tian^1,2,3, Zhirui Xu^1,2,3, Hao Qi^1,2,3

¹College of Mechanical Engineering, Zhejiang University of Technology, Hangzhou, 310023, China. wuhuaping@gmail.com.

|May 7, 2024

概括

研究人员开发了可以远程控制的磁形状记忆水凝. 这些水凝提供可调节的刚性和形状固定,使软抓柄等应用成为可能.

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Last Updated: Jun 27, 2025

An Additive Manufacturing Technique for the Facile and Rapid Fabrication of Hydrogel-based Micromachines with Magnetically Responsive Components

An Additive Manufacturing Technique for the Facile and Rapid Fabrication of Hydrogel-based Micromachines with Magnetically Responsive Components

Published on: July 18, 2018

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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
机器人技术机器人技术机器人技术

背景情况:

由于遥控功能,磁性水凝对软机器人和传感器来说是有希望的.
一个关键的挑战是在磁性启动过程中实现可调节的刚性和形状固定.
现有的磁性水凝往往缺乏对机械性能和形状记忆效应的精确控制.

研究的目的:

设计和制造具有可调节刚度和形状固定性的磁形状记忆水凝.
为了在水凝材料中实现非接触,可逆启动和形状锁定.
为了证明这些水凝在实际应用中的实用性,比如软抓手.

主要方法:

甲基胺,甲基酸和聚乙醇与Fe3O4磁性颗粒的单聚合.
使用键进行动态交联,以控制机械性能.
采用交流电磁场来诱导软度,以及用于变形的执行磁场.

主要成果:

合成的磁性水凝具有出色的机械性能,可调节的刚性和有效的形状固定.
在交流磁场下,水凝变软,允许变形,并在移除交流磁场后变硬,锁定形状.
这种材料成功地被应用为水下软抓柄,能够举起重物.

结论:

已经建立了一种创新的战略,用于创建具有非接触可逆执行,可调节的刚性和形状锁定的磁性水凝.
这些磁形形状记忆水凝为先进的软机器人和传感应用提供了多功能平台.
开发的水凝克服了硬度控制和形状固定在磁性驱动方面的局限性.