Evaluation of vinylidene fluoride polymers for use in space environments : comparison of radiation sensitivities
Dargaville, Tim R., Celina, Mathew , & Clough, Roger (2006) Evaluation of vinylidene fluoride polymers for use in space environments : comparison of radiation sensitivities. Radiation Physics and Chemistry, 75(3), pp. 432-442.
Poly(vinylidene fluoride) and copolymers of vinylidene fluoride with hexafluoropropylene, trifluoroethylene and chlorotrifluoroethylene have been exposed to gamma irradiation in vacuum, up to doses of 1MGy under identical conditions, to obtain a ranking of radiation sensitivities. Changes in the tensile properties, crystalline melting points,heats of fusion, gel contents and solvent uptake factors were used as the defining parameters. The initial degree of crystallinity and film processing had the greatest influence on relative radiation damage, although the cross-linked network features were almost identical in their solvent swelling characteristics, regardless of the comonomer composition or content.
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|Item Type:||Journal Article|
|Keywords:||Gamma irradiation, Vinylidene fluoride, Copolymers, Performance assessment, Materials selection, Crosslinking|
|Subjects:||Australian and New Zealand Standard Research Classification > PHYSICAL SCIENCES (020000) > ATOMIC MOLECULAR NUCLEAR PARTICLE AND PLASMA PHYSICS (020200)|
Australian and New Zealand Standard Research Classification > CHEMICAL SCIENCE (030000) > INORGANIC CHEMISTRY (030200)
Australian and New Zealand Standard Research Classification > CHEMICAL SCIENCE (030000) > PHYSICAL CHEMISTRY (INCL. STRUCTURAL) (030600)
|Divisions:||Past > QUT Faculties & Divisions > Faculty of Science and Technology|
|Deposited On:||14 Jul 2010 08:29|
|Last Modified:||01 Mar 2012 00:09|
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