High temperature oxidation of additively manufactured Rene 65
Source abstract
Abstract
This paper investigates the initial oxidation stages of additive manufactured Rene 65 Ni-based superalloy between 700 and 900 °C in air and argon for 48 h, with different building directions and heat treatments. The results show that the only factor that impact the oxidation behavior is the oxidizing atmosphere. The resulting thin oxide scales are made of NiCr 2O 4 and Cr 2O 3 at 700 °C while at 800 and 900 °C the oxide layer is composed of an external Cr 2O 3 layer on top of an internal layer of α-Al 2O 3 due to the lower partial pressure of oxygen underneath the chromia layer.
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Research context
OpenAlex topics: Additive Manufacturing Materials and Processes · Additive Manufacturing and 3D Printing Technologies · High-Temperature Coating Behaviors
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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