Programmable Kiri-Kirigami Metamaterials

Yichao Tang; Gaojian Lin; Shu Yang; Yun Kyu Yi; Randall D Kamien; Jie Yin

doi:10.1002/adma.201604262

Programmable Kiri-Kirigami Metamaterials

Adv Mater. 2017 Mar;29(10). doi: 10.1002/adma.201604262. Epub 2016 Dec 27.

Authors

Yichao Tang¹, Gaojian Lin¹, Shu Yang², Yun Kyu Yi³, Randall D Kamien⁴, Jie Yin¹

Affiliations

¹ Applied Mechanics of Materials Laboratory, Department of Mechanical Engineering, Temple University, 1947 North 12th Street, Philadelphia, PA, 19122, USA.
² Department of Materials Science and Engineering, University of Pennsylvania, 3231 Walnut Street, Philadelphia, PA, 19104, USA.
³ School of Architecture, University of Illinois at Urbana-Champaign, Champaign, IL, 61820, USA.
⁴ Department of Physics and Astronomy University of Pennsylvania, 209 South 33rd Street, Philadelphia, PA, 19104, USA.

PMID: 28026066
DOI: 10.1002/adma.201604262

Abstract

Programmable kirigami metamaterials with controllable local tilting orientations on demand through prescribed notches are constructed through a new approach of kiri-kirgami, and their actuation of pore opening via both mechanical stretching and temperature, along with their potential application as skins for energy-saving buildings, is discussed.

Keywords: actuation; building energy saving; directional buckling; kirigami; mechanical metamaterials.