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可切割的机械元材料用于多模式和可重编程的静态非互惠
Jinhao Zhang1, Shuo Zhang2, Xiao Zhou1
1National Key Laboratory of Equipment State Sensing and Smart Support, College of Intelligence Science and Technology, National University of Defense Technology, Changsha, 410073, China.
Advanced science (Weinheim, Baden-Wurttemberg, Germany)
|August 20, 2025
概括
研究人员开发了一种用于细胞元材料的新方法,以实现多个可编程的静态非互惠模式. 这一突破为机械逻辑和软机器人应用程序提供了增强的功能.
科学领域:
- 机械超材料 机械超材料
- 非互惠物理学的物理学.
背景情况:
- 静态非互惠对于机械逻辑和软机器人至关重要.
- 当前的超材料在一个结构中努力实现多个可重编程的非互惠模式.
研究的目的:
- 展示一种用于细胞元材料的新设计,使多种静态非互惠模式成为可能.
- 建立一个框架来描述和编程这些多模式的非互惠行为.
主要方法:
- 引入元细胞内部的切割,以诱导接触非线性.
- 开发了一个构成式张量框架来描述非互惠的行为.
- 通过控制内部切口的位置,实现了可编程性.
主要成果:
- 实现直角,单轴和剪切静态非反向模式 (包括位移和波因特效应).
- 通过切割编码来证明对非互惠响应的可编程控制.
- 在单个微观结构拓中成功合成了多个非互惠模式.
结论:
- 这种设计方法为创建具有增强功能的先进超材料提供了一条途径.
- 非互惠的可编程性扩大了机械逻辑和软机器人的可能性.
- 该研究通过实现多模式和可控制的静态非互惠,推动了超材料领域的发展.
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