Electrochemical degradation in rubber
2010
Pond, T. J.
Micrographs are shown of some typical types of structural damage that can occur in a vulcanisate as a result of electrochemical degradation (ECD) in the material. The importance of the carbon black content, the operating temperature, the coolant composition, a vulcanisates cure system and other compound ingredients on the size of the current that can flow through a vulcanisate and its impact on ECD were discussed as well as the effects of crosslink density on volume resistivity and current flow. Results from SEM X-ray analysis of ECD damaged material on the depletion of zinc and sulphur by ECD and the associated effects on current flow through a compound are also discussed.
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