Abstract
WE report here on some effects due to boron in Ni-C melts. A number of interesting and hitherto unnoted features of graphite growth have been observed. The significance of these observations is that they demonstrate an important mechanism of a morphology change in graphite growing from solution. We show that the growth changes can be attributed to a concentration of boron in a boundary layer at the liquid–solid interface. Growth interfaces break down and morphology changes result. In particular, we have observed both scroll and spherulitic forms.
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References
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MINKOFF, I., LUX, B. Ribbed Growth of Graphite in Ni-C Solutions containing Boron. Nature 225, 540–542 (1970). https://doi.org/10.1038/225540a0
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DOI: https://doi.org/10.1038/225540a0
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