Propagation of pop ups in kirigami shells
Abstract
Kirigami—the Japanese art of cutting paper—has become an emergent tool to realize highly stretchable devices and morphable structures. While kirigami structures are fabricated by simply perforating an array of cuts into a thin sheet, the applied deformation and associated instabilities can be exploited to transform them into complex 3D morphologies. However, to date, such reconfiguration always happen simultaneously through the system. By borrowing ideas from phase-transforming materials, we combine cuts and curvature to realize kirigami structures in which deformation-induced shape reconfiguration initially nucleates near an imperfection and then, under specific conditions, spreads through the system. We envision that such control of the shape transformation could be used to design the next generation of responsive surfaces and smart skins.
Document Details
- Document Type
- Pub Defense Publication
- Publication Date
- Apr 08, 2019
- Source ID
- 10.1073/pnas.1817763116
Entities
People
- Ahmad Rafsanjani
- Bolei Deng
- Katia Bertoldi
- Lishuai Jin
Organizations
- Army Research Office
- ETH Zurich
- Harvard University
- National Natural Science Foundation of China
- National Science Foundation
- Swiss National Science Foundation
- Tianjin University