Detaching speed of a fibrillar interface

B. Chen*, P. D. Wu, Y. Huang

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


Considering elastic energy stored in the fibrillar structure recoverable, we provide different initial and dynamic fracture toughnesses for a fibrillar interface to reconcile the contradiction existing in literature. A theory on the speed of a semi-infinite crack propagating along a fibrillar interface is then developed, which is used to estimate the speed of gecko toe detachment. The predicted time interval for gecko toe detachment is less than a few milliseconds.

Original languageEnglish (US)
Article number103901
JournalApplied Physics Letters
Issue number10
StatePublished - 2008

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)


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