Healing behavior of a matrix crack on a carbon fiber/mendomer composite |
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| Authors: | Jong Se Park Hak Sung Kim H. Thomas Hahn |
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| Affiliation: | 1. Department of Mechanical and Aerospace Engineering, University of California, Los Angeles, 420 Westwood Blvd. Los Angeles, CA 90095, USA;2. Department of Material Science and Engineering, California NanoSystems Institute, University of California, Los Angeles, 420 Westwood Blvd. Los Angeles, CA 90095, USA;1. Department of Aerospace Engineering, University of Illinois at Urbana-Champaign, 104 S. Wright St., Urbana, IL 61801, USA;2. Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign, 405 N. Mathews Ave., Urbana, IL 61801, USA;3. Department of Materials Science and Engineering, University of Illinois at Urbana-Champaign, 1304 W. Green St., Urbana, IL 61801, USA;4. U.S. Army Research Laboratory, Composite and Hybrid Materials Branch, Aberdeen Proving Ground, MD 21005, USA;1. Department of Mechanical Science and Engineering, University of Illinois at Urbana-Champaign, Urbana, IL61810, USA;2. Department of Material Science and Engineering, University of Illinois at Urbana-Champaign, Urbana, IL61810, USA;3. Department of Aerospace Engineering, University of Illinois at Urbana-Champaign, Urbana, IL61810, USA;4. Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign, Urbana, IL61810, USA;1. Key Laboratory for Polymeric Composite and Functional Materials of Ministry of Education, GDHPPC Lab, School of Chemistry and Chemical Engineering, Sun Yat-sen University, Guangzhou 510275, China;2. School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, China;3. Materials Science Institute, Sun Yat-sen University, Guangzhou 510275, China;1. Department of Mechanical Science and Engineering, University of Illinois at Urbana-Champaign, Urbana, IL 61801, United States;2. Beckman Institute of Science and Technology, University of Illinois at Urbana-Champaign, Urbana, IL 61801, United States;3. Department of Aerospace Engineering, University of Illinois at Urbana-Champaign, Urbana, IL 61801, United States;4. Department of Material Science and Engineering, University of Illinois at Urbana-Champaign, Urbana, IL 61801, United States |
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| Abstract: | The cure kinetics of a thermally mendable polymer based on Diels-Alder (DA) and retro-Diels-Alder (rDA) reactions, mendomer 401, was investigated using dynamic differential scanning calorimetry (DSC). The resulting behavior was modeled using a conventional cure kinetic model for thermosetting polymers. A composite panel with two layers of carbon fabric and mendomer 401 was fabricated following the cure cycle suggested by the cure kinetics model. Micro-indentation tests were performed to investigate mechanical properties and dynamic mechanical thermal analysis (DMTA) was conducted to study thermal behavior and to find the trigger temperature for healing. Self-healing behavior of the carbon fiber/mendomer composite was demonstrated using electrical resistive heating over the glass transition temperature. |
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