Effect of simulated space environments on piezoelectric vinylidene flouride-based polymers
Dargaville, Tim R., Clough, Roger, & Celina, Mathew (2008) Effect of simulated space environments on piezoelectric vinylidene flouride-based polymers. In Celina, Mathew & Assink, Roger A. (Eds.) Polymer Durability and Radiation Effects. American Chemical Society, Washington, D.C, pp. 153-165.
Piezoelectric polymers based on polyvinylidene flouride (PVDF) are of interest as adaptive materials for large aperture space-based telescopes. In this study, two piezoelectric polymers, PVDF and P(VDF-TrFE), were exposed to conditions simulating the thermal, radiative and atomic oxygen conditions of low Earth orbit. The degradation pathways were governed by a combination of chemical and physical degradation processes with the molecular changes primarily induced via radiative damage, and physical damage from temperature and atomic oxygen exposure, as evident from depoling, loss of orientation and surface erosion. The piezoelectric responsiveness of each polymer was strongly dependent on exposure temperature. Radiation and atomic oxygen exposure caused physical and chemical degradation, which would ultimately cause terminal damage of thin films, but did not adversely affect the piezoelectric properties.
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|Item Type:||Book Chapter|
|Additional Information:||This article is freely available from the American Chemical Society website 12 months after the publication date. See links to publisher website in this record.|
|Keywords:||PDVF, Piezoelectric, Low Earth orbit|
|Subjects:||Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > AEROSPACE ENGINEERING (090100) > Aerospace Materials (090102)|
|Divisions:||Past > QUT Faculties & Divisions > Faculty of Science and Technology|
|Deposited On:||14 Jul 2010 08:17|
|Last Modified:||10 Aug 2011 23:39|
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