The article reports a study carried out on metallic samples extracted from a cladded pipe (API5 X65 steel-Inconel 825 alloy) for industrial use in the transport of hydrocarbons, which were subjected to a solubilization treatment at 1200°C and a subsequently aging treatment at 650°C for different times in order to promote microstructural changes in both materials. To monitor these microstructural changes due to the aging process, the thermoelectric potential (TEP) nondestructive technique was used. In addition, microhardness tests were carried out on the metallic materials and micrographs were obtained by means of an optical microscope (OM) images.
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