4D printing with robust thermoplastic polyurethane hydrogel-elastomer trilayers
4D printing with robust thermoplastic polyurethane hydrogel-elastomer trilayers
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DOI：
10.1016/j.matdes.2018.107544
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发表时间：
2019-02-05
影响因子：
8.4
通讯作者：
Trask, Richard S.
中科院分区：
文献类型：
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作者：
Baker, Anna B.;Bates, Simon R. G.;Trask, Richard S.
在这里，我们提出了一种新的4D打印技术，能够使用商业低成本桌面3D打印机生产各种各样的三层结构。这种独特的方法允许可行的建设动态强大和复杂的折纸架构的新一代主动结构。由此产生的作品通过浸没在水中从平面2D部件转变为3D结构，并通过脱水恢复其原始配置。该技术使用商业上可用的材料和打印机来实现4D打印方法，该方法比之前的水合触发4D打印示例更容易获得和负担得起。这种方法产生了一个可控的和可预测的驱动路线和最终形状，使其能够用于简单和复杂的折纸灵感设计，例如棋盘格状的水炸弹折纸图案，这是一种以前没有用4D打印实现的设计。这些新设计展示了如何将多个三层集成到单个3D打印中，从而实现对致动的全厚度控制，并最终形成复杂性超出先前4D打印所实现的有源结构。(c)2018作者爱思唯尔有限公司出版
Here we present a new 4D printing technique capable of producing a diverse range of trilayer constructs using commercial low-cost desktop 3D printers. This unique methodology permits the viable construction of dynamically robust and complex origami architectures for a new generation of active structures. The resulting creations transform from flat 2D parts to 3D structures through submersion in water and return to their original configuration through dehydration. This technique uses commercially available materials and printers to enable a 4D printing method that is more accessible and affordable than previous examples of hydration triggered 4D printing. This method yields a controlled and predictable actuation route and final shape, enabling it to be used for both simple and complex origami inspired designs, such as the tessellated waterbomb origami pattern, a design that has not previously been realised with 4D printing. These new designs demonstrate how the integration of multiple trilayers into a single 3D print enables through-thickness control of actuation and resulting formation of active structures with complexity beyond what has previously been achieved with 4D printing. (c) 2018 The Authors. Published by Elsevier Ltd.