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  4. Embedded Shape-Memory Alloy Wires for Improved Performance of Self-Healing Polymers
 
research article

Embedded Shape-Memory Alloy Wires for Improved Performance of Self-Healing Polymers

Kirkby, E.
•
Rule, J. D.
•
Michaud, V.  
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2008
Advanced Functional Materials

We report the first measurements of self-healing polymers with embedded shape memory alloy (SMA) wires. The addition of SMA wires shows improvements of healed peak fracture loads by up to a factor of 1.6, approaching the performance of the virgin material. Moreover, the repairs can be achieved with reduced amounts of healing agent. The improvements in performance are due to two main effects: i) crack closure, which reduces the total crack volume and increases the crack fill factor for a given amount of healing agent, and ii) heating of the healing agent during polymerisation, which increases the degree of cure of the polymerised healing agent.

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Type
research article
DOI
10.1002/adfm.200701208
Web of Science ID

WOS:000258795500014

Author(s)
Kirkby, E.
Rule, J. D.
Michaud, V.  
Sottos, N. R.
White, S. R.
Månson, J.-A. E.  
Date Issued

2008

Published in
Advanced Functional Materials
Volume

18

Start page

2253

End page

2260

Subjects

Self-healing polymer

•

shape memory alloy wire

•

actuator

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
LTC  
Available on Infoscience
January 13, 2009
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/33562
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