Coupling Effects in Re-Programmable Micro-Matter

可重编程微物质中的耦合效应

• 批准号: 424640085
• 负责人: Professor Dr. Manfred Kohl
• 金额: --
• 依托单位: Institut für Mikrostrukturtechnik (IMT)
• 依托单位国家: 德国
• 项目类别: Priority Programmes
• 资助国家: 德国
• 项目状态: 未结题
• 来源: https://gepris.dfg.de/gepris/projekt/424640085?language=en
• 关键词: Coupling; Effects; Re; Programmable; Micro

This proposal addresses novel re-programmable micro-matter, which self-folds reversibly from a flat shape to a three-dimensional (3D) shape, keeps the shape without power consumption and self-folds on demand into a re-programmable alternative 3D shape. During the first funding period, we demonstrated the feasibility of re-programmable matter at the mm length scale using cooperative shape memory alloy (SMA) hinge microactuators and microsystems engineering. Goals of the second phase are (1) a substantial improvement of the maximum reversible folding angles, which strongly depend on the design of antagonistic SMA hinge microactuators, (2) the extension of microfabrication technology to temporarily fix the 3D shape without power consumption and (3) further upscaling and miniaturization. The project bundles the complementary competences of functional polymer materials taking account for the high potential of 3D printing technology (UFr), shape memory materials and microsystems engineering (KIT) as well as system simulation (FAU). Novel designs of cascaded and bistable SMA microhinges will be developed to enhance the range of reversible folding angles up to 180°. To temporarily fix the 3D shape, four scenarios will be considered comprising active latching and holding by heat-activated switching of magnetic forces and solid-liquid transition, respectively, as well as the passive mechanisms of magnetic latching and polymer-based sticking. The synergies and detrimental coupling effects will be investigated for an increasing integration density and number of tiles to elaborate design rules for optimum system performance.

该方案解决了新颖的可重新编程的微物质，它可以从平面形状可逆地自折叠到三维(3D)形状，在不耗电的情况下保持形状，并根据需要自折叠成可重新编程的替代3D形状。在第一个资助期间，我们展示了使用合作形状记忆合金(SMA)铰链微执行器和微系统工程在毫米长尺度上重新编程物质的可行性。第二阶段的目标是(1)大幅改善最大可逆折叠角，这在很大程度上依赖于对抗性SMA铰链微执行器的设计，(2)扩展微制造技术，在不消耗功率的情况下暂时固定3D形状，以及(3)进一步扩大和小型化。该项目将功能聚合物材料的互补能力捆绑在一起，考虑到3D打印技术(UFR)、形状记忆材料和微系统工程(KIT)以及系统模拟(FAU)的巨大潜力。将开发新的级联和双稳态形状记忆合金微铰链设计，以将可逆折叠角范围提高到180°。为了暂时固定3D形状，将考虑四种情况，分别包括通过热激活磁力切换和固-液转变的主动闭锁和保持，以及磁性闭锁和基于聚合物的粘接的被动机制。随着集成密度和瓦片数量的增加，将研究协同效应和有害耦合效应，以阐述优化系统性能的设计规则。