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Abstract In-situ annealing experiments using synchrotron diffraction depict the separation of {1 0 0}-superlattice peaks ascribed to C-enrichment of pre-existing, C-lean L′12-ordered structures into C-rich κ-carbides of alike crystal structure during heating… Click to show full abstract
Abstract In-situ annealing experiments using synchrotron diffraction depict the separation of {1 0 0}-superlattice peaks ascribed to C-enrichment of pre-existing, C-lean L′12-ordered structures into C-rich κ-carbides of alike crystal structure during heating of a high-Al lightweight steel. The peak separation is the first experimental in-situ investigation of the transformation sequence during Fe3AlC-phase formation. A detailed analysis of the lattice parameter evolution and thermal expansion behavior was carried out to validate the assignment of phases by comparison with theoretical calculations and available experimental data.
Journal Title: Materials Letters
Year Published: 2019
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