Programmable super elastic kirigami metallic glasses

S. H. Chen, K. C. Chan, D. X. Han, L. Zhao, F. F. Wu

Research output: Journal article publicationJournal articleAcademic researchpeer-review

18 Citations (Scopus)


The elastic performance of kirigami metallic glasses (MGs) plays a key role for their applications as potential mechanical metamaterials, however, the mechanisms on how to achieve programmable large elasticity in these kirigami MGs are still unknown. In this work, kirigami MGs, with programmable stretchability reaching 317%, were fabricated, demonstrating super elasticity larger than 277%. The high stretchability and super-elasticity are mainly attributed to the elastic out-of-plane bending of the kirigami elements rather than rigid deformation. The super elastic kirigami MGs can be developed for use as high stretchable mechanical/functional metamaterials/devices, such as wearable sensors and stretchable electronics.

Original languageEnglish
Article number107687
JournalMaterials and Design
Publication statusPublished - 5 May 2019


  • Elasticity
  • Kirigami
  • Metallic glass
  • Metamaterials
  • Stretchability

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering


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