Accelerated aging at high temperature coupled with extrapolation is typically employed to predict the service life of fusion bonded epoxy (FBE) coatings. This approach assumes that the aging mechanism at high temperatures is the same as it is at the actual service temperature of the coating, which is unlikely to be the case. Our proposed approach for determining the service life of FBE coatings is to accelerate aging using increased oxygen concentration allowing data collection in a reasonable time at different temperature set points as close as practical to the actual service temperature of the coatings. This could prove to be a more valid method to predict service life of FBE coatings.
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2014. NACE International