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Heat Aging

Last updated: April 8, 2018

What Does Heat Aging Mean?

Heat aging refers to a process that is characterized by the melting or removal of a coating from a metal substrate due to elevated temperatures. This exposes the base metal to corrosion-causing conditions, thereby inhibiting its protection.

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Corrosionpedia Explains Heat Aging

Heat aging of a coated pipeline surface may result in the partial or complete removal of said coating. This ultimately results in exposing the pipeline to corrosion-causing elements and degradation.

Heat aging can be regulated for empirical purposes as an industrially accepted practice to examine a coating's response to temperature variations. A standardized test method for heat aging is ASTM 3045-92. The samples are placed in an aging oven. The temperature and duration is then specified for examination.

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CorrosionEnvironmentsPreventative CoatingsCorrosive ProcessMaterial Failure Corrosion Prevention FailureCoatings

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