Dissolution of chromium carbide Cr^sub 3^C^sub 2^ in Kh17N2 steel during sintering

Dissolution of chromium carbide Cr^sub 3^C^sub 2^ in Kh17N2 steel during sintering

The effect of sintering temperature (900-1300°C) on the interaction of Cr^sub 3^C^sub 2^ with a Kh17N2 steel matrix is studied. It is shown that complex iron-chromium carbide of (Cr, Fe)^sub x^C^sub y^ type forms during sintering. With increasing temperature, it undergoes a number of phase transform...

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Veröffentlicht in:Powder metallurgy and metal ceramics 2011-07, Vol.50 (3-4), p.182
Hauptverfasser: Yakovenko, R V, Maslyuk, V A, Gripachevskii, A N, Deimontovich, V B
Format: Artikel
Sprache:eng
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Zusammenfassung:The effect of sintering temperature (900-1300°C) on the interaction of Cr^sub 3^C^sub 2^ with a Kh17N2 steel matrix is studied. It is shown that complex iron-chromium carbide of (Cr, Fe)^sub x^C^sub y^ type forms during sintering. With increasing temperature, it undergoes a number of phase transformations. The following mechanism of Cr^sub 3^C^sub 2^ dissolution in the steel matrix is established: Cr^sub 3^C^sub 2^[arrow right]900°C (Cr, Fe)^sub 2^C[arrow right]1050°C (Cr, Fe)^sub 7^C^sub 3^[arrow right]1200°C (Cr, Fe)^sub 23^C^sub 6^[arrow right]1300°C (Cr, Fe)^sub 2^C.[PUBLICATION ABSTRACT]
ISSN:1068-1302
1573-9066
DOI:10.1007/s11106-011-9316-y