Revealing the oxidation mechanism of high vanadium high-speed steel using multi-scale characterization
Source abstract
Abstract
The microstructure evolution of the oxide scales formed in high vanadium high-speed steel after exposure to 500 °C and 700 °C for up to 120 min was investigated using multi-scale characterization. The oxide scale showed a triplex structure consisting of internal oxide layer, inner oxide layer, and outer oxide layer. The internal and outer oxides formed were Cr 2O 3 and Fe 3O 4 , respectively. The progressive increase in oxygen partial pressure resulted in the conversion of Cr 2O 3 to FeCr 2O 4 in the inner oxide layer with nanocavities. The “available space model” and the “internal oxidation model” were identified as controlling oxidation mechanisms.
Source: expertdata · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: High-Temperature Coating Behaviors · Metal Alloys Wear and Properties · Advanced materials and composites
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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