EFRI-ODISSEI: Externally-Triggered Origami of Responsive Polymer Sheets

EFRI-ODISSEI：外部触发响应聚合物片折纸

• 批准号: 1240438
• 负责人: Jan Genzer
• 金额: $ 175.88万
• 依托单位: North Carolina State University
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2012
• 资助国家: 美国
• 起止时间: 2012-08-01 至 2018-04-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=1240438&HistoricalAwards=false
• 关键词: EFRI; ODISSEI; Externally; Triggered; Origami

The research objective of this Emerging Frontiers in Research and Innovation (EFRI) Origami Design for the Integration of Self-assembling Systems for Engineering Innovation (ODISSEI) award is to study a new class of origami by means of polymer sheets that fold in response to external triggers (i.e., light), for hands free folding. Folding occurs in response to the localization of energy to hinges that are defined on the polymer sheet by Deskjet printing. The appeal of this approach is its simplicity, versatility, and ability to harness the multitude of 2D patterning techniques to convert surface patterns on pre-strained polymer sheets into 3D objects within seconds upon exposure to a stimulus. The team, which includes two artists/designers who specialize in surface design and sculpting, a mechanical engineer with expertise in multi-scale mechanics of materials, a mathematician with 35 years of origami experience, and materials/chemical engineers, seeks to study experimentally and model computationally the folding process to create new multi-functional 3D structures that can form rapidly with precise control over shape. We will explore experimentally and model the scaling laws of folding, the rate of folding, and the mechanics of folding to develop compliant folding mechanisms. Our interdisciplinary team will collaborate to advance our scientific objectives while broadening participation of underrepresented groups and developing outreach modules on origami for K-12 students. Generation of novel structures based on folding/unfolding of 2D sheets is expected to lead to a novel paradigm towards developing materials with unprecedented function/property. Our approach has significant commercial relevance because it is compatible with both low-tech, high throughput 2D patterning techniques (e.g., roll-to-roll patterning) as well as 2D patterning of electronics and photonics. Packaging or manufacturing of unfoldable materials employed in various technological applications (including those relevant to the Air Force, such as, unfoldable air foils for precision airdrop of humanitarian supplies) constitute examples of structures that will benefit from the research effort. We will develop a means of attracting local K-12 teachers and students to take part in our interdisciplinary research endeavors through educational and outreach programs at NC State University, Elon University, and at Meredith, a neighboring women?s college. The outreach programs will be developed and distributed synergistically by our team featuring artists, a former high school teacher, a mathematician who teaches origami, and engineers / scientists from NC State University.This project is supported in part by funds from the Air Force Office of Scientific Research.

这项研究与创新的新兴前沿（EFRI）“工程创新自组装系统集成折纸设计”（ODISSEI）奖的研究目标是研究一种新型的折纸，这种折纸通过聚合物片来响应外部触发（即光）进行折叠，从而实现无手折叠。折叠发生在响应能量的定位铰链，是由桌面喷墨打印在聚合物片上定义的。这种方法的吸引力在于它的简单性、多功能性，以及利用多种2D图形技术在暴露于刺激后几秒钟内将预应变聚合物片上的表面图案转换为3D物体的能力。该团队包括两名专门从事表面设计和雕刻的艺术家/设计师，一名具有多尺度材料力学专业知识的机械工程师，一名具有35年折纸经验的数学家，以及材料/化学工程师，他们试图通过实验研究和计算折叠过程的模型，以创建新的多功能3D结构，这些结构可以快速形成并精确控制形状。我们将通过实验和模型来探索折叠的标度定律、折叠速率和折叠机制，以开发柔性折叠机制。我们的跨学科团队将合作推进我们的科学目标，同时扩大代表性不足群体的参与，并为K-12学生开发折纸的外展模块。基于二维薄片的折叠/展开的新结构的产生有望为开发具有前所未有的功能/特性的材料带来新的范例。我们的方法具有重要的商业意义，因为它既兼容低技术，高通量的2D图像化技术（例如，卷对卷图像化），也兼容电子和光子学的2D图像化。包装或制造各种技术应用中使用的不可折叠材料（包括与空军相关的材料，例如用于人道主义物资精确空投的不可折叠空气箔）构成了将从研究工作中受益的结构示例。我们将通过北卡罗来纳州立大学、埃隆大学和邻近的梅雷迪思大学的教育和推广项目，开发一种吸引当地K-12教师和学生参与我们跨学科研究的方法。年代上大学。外展计划将由我们的团队协同开发和分发，其中包括艺术家，一位前高中教师，一位教授折纸的数学家，以及北卡罗来纳州立大学的工程师/科学家。该项目由空军科学研究办公室提供部分资金支持。