N-situ self-healing via microvascular networks

Andrew R. Hamilton, Nancy R. Sottos, Scott R. White

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

In the current work, we explore the interaction of cracks with a microvascular network of channels 200 μm in diameter, and the ability to repeatedly heal the damaged network in-situ. A testing protocol based on the double cleavage drilled compression (DCDC) fracture specimen geometry is adopted to induce stable crack growth through a microvascular network containing the sequestered components of a two-part epoxy system. When released into the crack plane, the two components mix and cure, forming a bond between the crack faces. We demonstrate the ability to recover over 100% of the virgin fracture toughness in a thermosetting epoxy matrix and to repeat recovery for as many as 14 healing cycles.

Original languageEnglish (US)
Title of host publicationSociety for Experimental Mechanics - SEM Annual Conference and Exposition on Experimental and Applied Mechanics 2009
Pages326-327
Number of pages2
StatePublished - Dec 1 2009
EventSEM Annual Conference and Exposition on Experimental and Applied Mechanics 2009 - Albuquerque, NM, United States
Duration: Jun 1 2009Jun 4 2009

Publication series

NameSociety for Experimental Mechanics - SEM Annual Conference and Exposition on Experimental and Applied Mechanics 2009
Volume1

Other

OtherSEM Annual Conference and Exposition on Experimental and Applied Mechanics 2009
CountryUnited States
CityAlbuquerque, NM
Period6/1/096/4/09

ASJC Scopus subject areas

  • Computational Mechanics

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