相关实验视频
Updated: May 7, 2026

10:53
Shape Memory Polymers for Active Cell Culture
Published on: July 4, 2011
13.5K
具有可转换形状的可重写图案的多站式板
A S Meeussen1,2,3, M van Hecke4,5
1AMOLF, Amsterdam, the Netherlands. a.meeussen@gmail.com.
Nature
|September 21, 2023
概括
研究人员使用机械多稳定性开发了可重写形状的元表. 这些板在去除刺激后形成稳定,复杂的3D形状,为各种应用提供可擦除和可重复的启动.
科学领域:
- 材料科学
- 机械工程
- 物理
背景情况:
- 平板可以通过外部刺激来变形成复杂的3D形状.
- 目前的方法缺乏内在的形状选择,需要预先设计,并导致永久或不稳定的形状.
研究的目的:
- 引入一种基于机械多稳定的新型形状变化策略.
- 克服现有方法的局限性,实现稳定,可擦除和可重复的形状转换.
主要方法:
- 在自稳定的痕中存储机械刺激记忆.
- 在刺激移除后研究过渡到精确选择的曲,曲和扭曲的形状.
主要成果:
- 在外界刺激被移除后, 持续的痕会导致稳定的形状变化.
- 证明这些稳定的形状可以通过施加适当的力来擦除,从而实现可重写模式.
- 通过开发的战略实现了重复和强大的执行.
结论:
- 机械多稳定性为板材的可控和可逆形状变化提供了强大的解决方案.
- 无物质和无尺度的策略具有广泛的适用性,从微尺度设备到建筑结构.
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