Active repair of self-healing polymers with shape memory alloy wires

Eva L. Kirkby; Joseph D. Rule; Véronique J. Michaud; Nancy R. Sottos; Scott R. White; Jan Anders E. Månson

doi:10.1117/12.715408

Active repair of self-healing polymers with shape memory alloy wires

Eva L. Kirkby, Joseph D. Rule, Véronique J. Michaud, Nancy R. Sottos, Scott R. White, Jan Anders E. Månson

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

We report the first measurements of self-healing polymers with embedded shape memory alloy (SMA) wires. Improvements of healed peak loads by up to a factor of two are observed, approaching the performance of the virgin material. Moreover, the repairs can be effected with reduced amounts of healing agent. The improvements in performance of self-healing polymers with SMA wires are due to three effects: i) crack closure, which reduces the crack volume, ii) heating of the curing agent during polymerisation, which improves the cross-linking, and iii) mechanical registration of the two crack faces, which results in a reduced crack volume on closure.

Original language	English (US)
Title of host publication	Behavior and Mechanics of Multifunctional and Composite Materials 2007
DOIs	https://doi.org/10.1117/12.715408
State	Published - 2007
Event	Behavior and Mechanics of Multifunctional and Composite Materials 2007 - San Diego, CA, United States Duration: Mar 19 2007 → Mar 22 2007

Publication series

Name	Proceedings of SPIE - The International Society for Optical Engineering
Volume	6526
ISSN (Print)	0277-786X

Other

Other	Behavior and Mechanics of Multifunctional and Composite Materials 2007
Country/Territory	United States
City	San Diego, CA
Period	3/19/07 → 3/22/07

Keywords

Active repair
Microcapsule
Self-healing polymer
Shape memory alloy wire

ASJC Scopus subject areas

Electrical and Electronic Engineering
Condensed Matter Physics

Online availability

10.1117/12.715408

Library availability

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Kirkby, E. L., Rule, J. D., Michaud, V. J., Sottos, N. R., White, S. R., & Månson, J. A. E. (2007). Active repair of self-healing polymers with shape memory alloy wires. In Behavior and Mechanics of Multifunctional and Composite Materials 2007 Article 65261E (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 6526). https://doi.org/10.1117/12.715408

Active repair of self-healing polymers with shape memory alloy wires. / Kirkby, Eva L.; Rule, Joseph D.; Michaud, Véronique J. et al.
Behavior and Mechanics of Multifunctional and Composite Materials 2007. 2007. 65261E (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 6526).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Kirkby, EL, Rule, JD, Michaud, VJ, Sottos, NR, White, SR & Månson, JAE 2007, Active repair of self-healing polymers with shape memory alloy wires. in Behavior and Mechanics of Multifunctional and Composite Materials 2007., 65261E, Proceedings of SPIE - The International Society for Optical Engineering, vol. 6526, Behavior and Mechanics of Multifunctional and Composite Materials 2007, San Diego, CA, United States, 3/19/07. https://doi.org/10.1117/12.715408

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abstract = "We report the first measurements of self-healing polymers with embedded shape memory alloy (SMA) wires. Improvements of healed peak loads by up to a factor of two are observed, approaching the performance of the virgin material. Moreover, the repairs can be effected with reduced amounts of healing agent. The improvements in performance of self-healing polymers with SMA wires are due to three effects: i) crack closure, which reduces the crack volume, ii) heating of the curing agent during polymerisation, which improves the cross-linking, and iii) mechanical registration of the two crack faces, which results in a reduced crack volume on closure.",

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AB - We report the first measurements of self-healing polymers with embedded shape memory alloy (SMA) wires. Improvements of healed peak loads by up to a factor of two are observed, approaching the performance of the virgin material. Moreover, the repairs can be effected with reduced amounts of healing agent. The improvements in performance of self-healing polymers with SMA wires are due to three effects: i) crack closure, which reduces the crack volume, ii) heating of the curing agent during polymerisation, which improves the cross-linking, and iii) mechanical registration of the two crack faces, which results in a reduced crack volume on closure.

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Active repair of self-healing polymers with shape memory alloy wires

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Keywords

ASJC Scopus subject areas

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