MICROSTRUCTURAL OBSERVATIONS OF AM DEPOSITED 15-5PH – STELLITE SAMPLE

Abstract

AM (Additive Manufacturing) is an increasingly widespread technology in the world. This technique was used in the present work to deposit material on the baseplate in order to find out its ability to repair damaged parts (baseplate material). The material of the baseplate was AKT1TD martensitic steel used in the aviation and energy industry. The steel could suffer from corrosion and erosion, and AM could be the potential method for damaged parts repairing. As a first step, a material similar to the baseplate was deposited. After that, a deposition of a stellite protective layer took place to increase the corrosion-erosion resistance. The whole build was observed by OM (optical microscopy) and SEM (scanning electron microscopy) to evaluate the quality of deposition.

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