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 degree 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 tr...

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Veröffentlicht in:Powder metallurgy and metal ceramics 2011-07, Vol.50 (3-4), p.182-188
Hauptverfasser: Yakovenko, R V, Maslyuk, V A, Gripachevskii, AN, Deimontovich, V B
Format: Artikel
Sprache:eng
Schlagworte:
Carbides
Chromium
Chromium carbide
Dissolution
Iron
Powder metallurgy
Sintering (powder metallurgy)
Steels
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Zusammenfassung:The effect of sintering temperature (900-1300 degree 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&#x00 B0; C (Cr, Fe) sub(2)C arrow right 1050 degree C (Cr, Fe) sub(7)C sub(3) arrow right 1200&#x 00B0; C (Cr, Fe) sub(23)C sub(6) arrow right 1300&# x00B0; C (Cr, Fe) sub(2)C.
ISSN:1068-1302
1573-9066
DOI:10.1007/s11106-011-9316-y