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A microstructural study of a melt-spun ultra high-strength alloy steel

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Melt spinning in a controlled atmosphere has been used to produce ribbons of an ultra high-strength alloy steel. The microstructure of these ribbons has been investigated using both optical and transmission electron microscopy. Comparison of the microstructure with that produced by conventional solid-state quenching shows that the martensitic structure is refined in the melt-spun ribbon and the formation of alloy carbides suppressed. These factors lead to a considerable increase in hardness of the meltspun ribbon with respect to that of the solid-state quenched material. The occurrence of interlath austenite is discussed in terms of the crystallography of the martensite transformation.

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Mawella, K.J.A., Honeycombe, R.W.K. & Howell, P.R. A microstructural study of a melt-spun ultra high-strength alloy steel. J Mater Sci 17, 2850–2854 (1982). https://doi.org/10.1007/BF00644661

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  • Polymer
  • Microstructure
  • Atmosphere
  • Microscopy
  • Electron Microscopy