Structure-involved critical alloy design strategy for enhancing antioxidation performance of porous Fe-Cr-Al materials
Source abstract
Abstract
Porous Fe-Cr-Al materials with different compositions and pore structures were prepared by reactive synthesis. Oxidation tests for porous Fe-Cr-Al materials were performed in static air at 800 °C for 25 h to reveal the relationship between alloy composition and corresponding oxide film types, and clarify the influence of pore structure on the critical contents of film-forming elements. The results revealed that near the critical Al content, an alumina-enriched oxide film was formed on the samples, which provided excellent resistance against oxidation, spalling and cracking. Porous Fe-Cr-Al alloys with higher specific surface areas deserved higher critical Al content.
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Research context
OpenAlex topics: Catalytic Processes in Materials Science · Catalysis and Hydrodesulfurization Studies · High-Temperature Coating Behaviors
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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