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通过多材料多喷嘴3D打印传输软物质
Mark A Skylar-Scott1,2, Jochen Mueller1,2, Claas W Visser1,2
1Harvard John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, USA.
Nature
|November 15, 2019
概括
研究人员开发了多种材料的3D打印技术 (MM3D), 这种先进的3D打印技术可以精确地控制voxel级别的材料组成和结构.
科学领域:
- 材料科学
- 机器人技术
- 添加剂制造
背景情况:
- 色材料制造正受到越来越多的关注,喷墨3D打印是高精度色材料制造的主要方法.
- 喷墨印刷的依赖于低粘度的墨水限制了材料选择,而直接的墨水写作则难以产生多种材料的声音.
- 当前的方法在创建具有多种性质的复杂的多物质质结构方面面临挑战.
研究的目的:
- 引入一种新的多材料3D打印方法 (MM3D),用于制造带有声音的软物质.
- 让编程的组成,功能和结构在voxel尺度.
- 克服现有的复杂材料图案3D打印技术的局限性
主要方法:
- 开发了MM3D打印头,在材料连接处使用二极管类行为进行高频切换.
- 能够在多达八种不同的粘弹性材料之间无切换.
- 通过将体积接近喷嘴直径的立方体来创建声.
主要成果:
- 设计并制造出具有编程性质的柔软物质.
- 展示了Miura原创图案和一个类似千足的软机器人.
- 联合打印的环氧和弹性墨水,其刚度可变数量级.
结论:
- MM3D打印显著扩大了可实现的材料范围和复杂性.
- 这种方法可以在微观尺度上对材料特性和结构设计进行前所未有的控制.
- 这种进步为制造复杂的软材料和设备开辟了新的可能性.
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