Authors: James Begley, Victor Georgic, Suprita Jharimune, Qi Zheng
Accelerated corrosion testing of substrates under coatings is inherently variable. When comparing different coating systems this level of variability can mask potential differences in performance. Reducing this level of variability could significantly increase the efficiency and accuracy when developing new coating systems. In this work, the effect of altering the size and shape of the scribe in method ISO 12944 will be investigated. Discussion will focus on sample preparation of multiple coating types prior to corrosion testing as well as scribe creep measurements afterwards.
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Part of the Measurement and Simulation of Atmospheric Corrosion through Modeling and Controlled Exposures symposia