Journal
COMPOSITES SCIENCE AND TECHNOLOGY
Volume 70, Issue 15, Pages 2154-2159Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.compscitech.2010.08.017
Keywords
Functional composites; Smart materials; Delamination; Non destructive testing; Thermally activated self healing composites
Categories
Funding
- Air Force Office of Scientific Research [FA9550-09-C-0160, FA9453-08-M-0029]
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Self-healing composites using a thermally mendable polymer bis-maleimide tetrafuran (2MEP4F) based on Diels-Alder reaction and electrical resistive heating were fabricated using a vacuum assisted injection molding method Delaminations were induced using short span three point bending on composite coupons The induced damage and permanent deformation of the composite coupons were observed using X ray micro-tomography The same procedure was repeated to confirm multiple healings after electrical resistive heating and healing efficiency of the samples was determined The permanent deformations and induced delaminations were repaired after the heating process which is due to both healing and shape memory effects The multiple healing ability and shape memory effect of the fabricated composite combined with electrical resistive heating realizes a noble self-healing composite (C) 2010 Elsevier Ltd All rights reserved
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