Synergistic effects in fluorocarbon elastomer seals produced by a combined temperature and radiation environment

Autor:	John T. Siemon, John Bartko
Rok vydání:	1991
Předmět:	Materials science Polymers and Plastics Radiation dose General Chemistry Radiation Elastomer Silicone oil Surfaces Coatings and Films Stress (mechanics) chemistry.chemical_compound chemistry Service life Materials Chemistry Fluorocarbon Composite material
Zdroj:	Journal of Applied Polymer Science. 42:1739-1744
ISSN:	1097-4628 0021-8995
DOI:	10.1002/app.1991.070420629
Popis:	Fluorocarbon elastomer seals were subjected to single stress radiation and temperature tests and combined stress tests with the seals immersed in silicone oil, to obtain a service life estimate. Their sealing capability was mechanically tested during the tests. In single environment tests the seals were resistant to temperature-induced stresses and very hard to radiation, showing no failures up to 108 rads. The combined tests, using three matched pairs of temperature and radiation dose rate, indicated a reduction in service life from 40 years at 145°C with no radiation to 21 years at 50°C with radiation, pointing to a significant synergism between radiation and temperature.
Databáze:	OpenAIRE
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