Microprecipitation in boron-containing high-carbon steels

Microprecipitation in boron-containing high-carbon steels

The dissolution and precipitation of B have been studied in a high-C steel. Boron was found in different states: oxides, carbonitrides and iron borocarbides Fe sub 23 (B,C) sub 6 . The dissolution of iron borocarbides in austenite is complete at 1100 deg C and precipitation along gamma grain boundar...

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Veröffentlicht in:Mikrochimica acta (1966) 1993-05, Vol.114-115, p.353-361
Hauptverfasser: Lanier, L, Metauer, G, Moukassi, M
Format: Artikel
Sprache:eng
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Zusammenfassung:The dissolution and precipitation of B have been studied in a high-C steel. Boron was found in different states: oxides, carbonitrides and iron borocarbides Fe sub 23 (B,C) sub 6 . The dissolution of iron borocarbides in austenite is complete at 1100 deg C and precipitation along gamma grain boundaries of this B-bearing phase was observed after water-quenching from high austenitizing temperature. Therefore, B precipitates along gamma grain boundaries before pearlite nucleation.
ISSN:0026-3672