Degradation of piezoelectric fluropolymers in space environments
Celina, Mathew, Dargaville, Tim R., & Jones, Gary (2009) Degradation of piezoelectric fluropolymers in space environments. In Celina, Mathew, Wiggins, Jeffrey S., & Billingham, Norman C. (Eds.) Polymer Degradation and Performance. Washington, D.C, pp. 100-112.
The performance criteria of piezoelectric polymers based on polyvinylidene flouride (PVDF) in complex space environments have been evaluated. Thin films of these materials are being explored as in-situ responsive materials for large aperture space-based telescopes with the shape deformation and optical features dependent on long-term deformation and optical features dependent on long-term degradation effects, mainly due to thermal cycling, vacuum UV exposure and atomic oxygen. A summary of previous studies related to materials testing and performance prediction based on a laboratory environment is presented. The degradation pathways are a combination of molecular chemical changes primarily induced via radiative damage and physical degradation processes due to temperature and atomic oxygen exposure resulting in depoling, loss of orientation and surface erosing. Experimental validation for these materials to be used in space is being conducted as part of MISSE-6 (Materials International Space Station Experiment) with an overview of the experimental strategies discussed here.
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|Item Type:||Book Chapter|
|Keywords:||PVDF, 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
Current > Institutes > Institute of Health and Biomedical Innovation
|Deposited On:||13 Jul 2010 22:10|
|Last Modified:||10 Aug 2011 15:00|
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