Effects of coating growth mode on the oxidation behavior of a hybrid Pt/Ru-modified aluminide coating at 1200 ℃
Source abstract
Abstract
The outward-grown hybrid Pt/Ru-modified aluminide coating (OG coating) and inward-grown hybrid Pt/Ru-modified aluminide coating (IG coating) are obtained by high-temperature low-activity aluminizing and low-temperature high-activity aluminizing techniques respectively. The OG coating and IG coating are oxidized cyclically at 1200 ℃ for 100 h. The OG coating displays better oxidation resistance than the IG coating. This superior performance can be attributed to the higher Ru content at the coating/superalloy interface and lower refractory elemental contents in the OG coating, which effectively decreases the rumpling degree and prevent severe failure on the alumina scale during cyclic oxidation.
Source: expertdata · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: High-Temperature Coating Behaviors · Catalytic Processes in Materials Science · Advanced ceramic materials synthesis
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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