The initial enrichment behavior of nickel during the oxidation of 15–15Ti at 550 °C in liquid lead-bismuth eutectic: A new Ni-rich structure at grain boundary
Source abstract
Abstract
A new Ni-rich structure was found at the steel grain boundaries in front of oxide/matrix interface through the method of small-angle inclination polishing. This structure is coherent with the grain on one side and grows into the incoherent grain on the opposite side driving grain boundary migration. A sharp compositional difference appears at the coherent interface, which indicates the Ni-rich structure may be a new phase. The Ni-rich structure stores Ni, promotes the Cr inside the grain to participate oxidation, and changes the composition of oxides and serrates their growing path.
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Research context
OpenAlex topics: Solidification and crystal growth phenomena · Intermetallics and Advanced Alloy Properties · Thermodynamic and Structural Properties of Metals and Alloys
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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