Abstract
The dissolution and precipitation of boron have been studied in a high-carbon steel. Boron was found in different states: boron oxides, boron carbonitrides and iron-borocarbides Fe23(B,C)6. The dissolution of iron-borocarbides in austenite is complete at 1100 °C and precipitation along γ grain boundaries of this boron-bearing phase was observed after water-quenching from high austenitizing temperature. Therefore, boron precipitates along γ grain boundaries before pearlite nucleation.
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Lanier, L., Metauer, G. & Moukassi, M. Microprecipitation in boron-containing high-carbon steels. Mikrochim Acta 114, 353–361 (1994). https://doi.org/10.1007/BF01244562
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DOI: https://doi.org/10.1007/BF01244562