Model for combined radiation-temperature accelerated aging of PVC and polyethylene in air
In order to extrapolate material accelerated aging data, models must be developed based on sufficient understanding of the processes leading to material degradation. A model is proposed to explain the extremely complex degradation behaviors of PVC and polyethylene materials in combined radiation/temperature/air aging environments. The model is based on simple chemical kinetic assumptions. Using a time, temperature, radiation dose rate shift procedure, we will show that accelerated aging data for the PVC and polyethylene materials are consistent with the model and that model extrapolations are in excellent agreement with 12-year real-time aging results from actual nuclear plant electrical cable.
- Research Organization:
- Sandia National Labs., Albuquerque, NM (USA)
- DOE Contract Number:
- AC04-76DP00789
- OSTI ID:
- 5222734
- Report Number(s):
- SAND-83-2017C; CONF-840516-4; ON: DE84006723
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
360406* -- Materials-- Polymers & Plastics-- Radiation Effects-- (-1987)
AGING
CABLES
CHEMICAL REACTIONS
CHLORINATED ALIPHATIC HYDROCARBONS
CONDUCTOR DEVICES
DOSE RATES
ELECTRIC CABLES
ELECTRICAL EQUIPMENT
ELECTRICAL INSULATION
EQUIPMENT
HALOGENATED ALIPHATIC HYDROCARBONS
NUCLEAR FACILITIES
NUCLEAR POWER PLANTS
ORGANIC CHLORINE COMPOUNDS
ORGANIC COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
ORGANIC POLYMERS
OXIDATION
OXYGEN COMPOUNDS
PEROXIDES
PHYSICAL RADIATION EFFECTS
POLYETHYLENES
POLYMERS
POLYOLEFINS
POLYVINYLS
POWER PLANTS
PVC
RADIATION EFFECTS
THERMAL POWER PLANTS