The power laser has been applied to the surface melting of a high-carbon alloy steel with laser operating parameters leading to structures which cannot be produced by the usual heat-treatments. The subsequent annealing of these structures has also been investigated. Optical and scanning electron microscopy, X-ray diffraction and Mössbauer spectroscopy have been used as methods of analysis.
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Ramous, E., Giordano, L., Principi, G. et al. Metastable Phases Obtained by Laser Surface Melting of a Chromium High-Carbon Steel. MRS Online Proceedings Library 21, 615–619 (1983). https://doi.org/10.1557/PROC-21-615