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具有可编程刚度和非互惠性的电热控制活性机械元材料
Jai Dunne1, Robert D Crapnell1, Krzysztof K Dudek2
1Faculty of Science and Engineering, Dalton Building, Manchester Metropolitan University, Manchester, M1 5GD, UK.
Advanced science (Weinheim, Baden-Wurttemberg, Germany)
|August 29, 2025
概括
这项研究引入了一种活跃的机械超材料,可以远程切换压缩和剪切模式,从而大大改变刚性. 这项创新可用于先进应用的可编程控制材料属性.
科学领域:
- 材料科学
- 机械工程
- 机器人技术
背景情况:
- 活跃的机械超材料通过状态的切换提供可调节的特性.
- 控制的不稳定性是实现可编程材料行为的关键.
研究的目的:
- 提出一种能够在压力和剪切变形模式之间进行远程切换的新型活性机械超材料.
- 使用这种超材料来证明刚性,引力和压力的调节.
主要方法:
- 使用电热激活的梁,在加热时改变曲模式.
- 整合合规机制以克服制造缺陷并确保可靠的控制.
- 计算分析以验证表面特性的调制.
主要成果:
- 超材料成功地在变形模式之间切换,导致显著的刚性变化.
- 通过符合标准的机制减轻制造缺陷.
- 计算结果显示压力可以翻倍,并通过表面屏蔽引力.
结论:
- 开发的活性机械超材料提供可靠的,可远程编程的硬度和表面特性控制.
- 潜在的应用包括机器人抓手和需要可适应接口的医疗设备.
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