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高性能人造卷轴丝丝通过多任务和高效的离心式卷轴技术及其在软执行器中的应用
Teng Hou1, Xianglong Li1, Shu Liu1
1National Engineering Lab for Textile Fiber Materials and Processing Technology, College of Textile Science and Engineering (International Institute of Silk), Zhejiang Sci-Tech University, Hangzhou 310018, China. yangbin5959@zstu.edu.cn.
Materials horizons
|June 20, 2023
概括
研究人员开发了一种新的离心卷轴技术,以生产高性能丝材料. 这种方法可以制造具有增强强度和均形态的离心卷丝 (CRS),适合高级应用.
科学领域:
- 材料科学 材料科学 材料科学
- 生物材料工程 生物材料工程
- 织科学 织科学
背景情况:
- 丝虫丝在生物工程,传感器,光学,电子和执行器方面都有潜力.
- 不规则的丝形态和特性限制了商业应用.
研究的目的:
- 为制造高性能丝材料制定一个简单而全面的战略.
- 克服自然丝不规则性质的局限性,用于技术应用.
主要方法:
- 使用一种多任务,高效的离心卷轴技术,以人工地旋转丝虫.
- 开发了一种直接从丝虫中制成的离心卷丝 (CRSY) 一步制备.
主要成果:
- 制造的离心卷丝 (CRS) 具有统一的形态,高强度 (844.83 ± 319.48 MPa),性 (121.07 ± 35.31 MJ m-3) 和模量 (27.72 ± 12.61 GPa).
- 达到1.45 GPa的最大CRS强度,相当于蜘蛛丝和子丝的三倍.
- CRSYs显示出更高的强度 (877.38 ± 377.23 MPa) 和优越的扭力恢复.
- 基于CRSY的软气动执行器 (SPA) 在重量,负载,可编程性和响应时间方面超过了基于弹性体的SPA.
结论:
- 离心卷轴技术为生产高性能丝材料提供了一种可行的方法.
- CRS和CRSY显示出在灵活传感器,人工肌肉和软机器人领域的先进应用的巨大潜力.
- 这种方法为从分泌生物体中生产先进的丝提供了一种新的方法.
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