Summary
This laboratory study investigated how irradiation temperature and atmospheric conditions affect the aging behaviour of six epoxy resins proposed for use in next-generation particle accelerator superconducting magnets. Using Dynamic Mechanical Analysis, the authors characterised thermomechanical property changes following high-dose irradiation (up to 20 MGy) in three different atmospheres, finding that both irradiation temperature and oxygen presence significantly influence the competing processes of polymer cross-linking and chain scission. The findings inform materials selection and design considerations for superconducting magnet systems exposed to high radiation doses at cryogenic temperatures.
UK applicability
This research is not directly applicable to UK farming systems, soil health, or food production. The work addresses materials science and particle accelerator engineering, falling outside the scope of agricultural and nutritional research domains.
Key measures
Thermomechanical properties of epoxy resins assessed by Dynamic Mechanical Analysis (DMA); irradiation dose up to 20 MGy; irradiation temperature effects; atmospheric composition effects (ambient air, inert gas, liquid helium)
Outcomes reported
The study characterised thermomechanical property changes in six epoxy resins after irradiation up to 20 MGy under three atmospheric conditions (ambient air, inert gas, liquid helium) using Dynamic Mechanical Analysis. Results demonstrated that irradiation temperature and oxygen presence significantly influence the rates of cross-linking and chain scission in these materials.
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