Structural heredity in low-carbon martensitic steels

Structural heredity in low-carbon martensitic steels

The reason for the development of low-carbon martensitic steels (LCMS) is the absence of universal and comparatively inexpensive structural iron alloys combining high mechanical properties with processibility. Hardening of LCMS commonly includes heating above Ac3 (930 - 950DGC) and air-cooling. The...

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Veröffentlicht in:Metal science and heat treatment 2004-11, Vol.46 (11-12), p.539-544
Hauptverfasser: Yugai, S S, Kleiner, L M, Shatsov, A A, Mitrokhovich, N N
Format: Artikel
Sprache:eng
Schlagworte:
Carbides
Ferrous alloys
Hardening
Heat treatment
Heredity
Iron alloys
Martensitic stainless steels
Mechanical properties
Structural steels
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Zusammenfassung:The reason for the development of low-carbon martensitic steels (LCMS) is the absence of universal and comparatively inexpensive structural iron alloys combining high mechanical properties with processibility. Hardening of LCMS commonly includes heating above Ac3 (930 - 950DGC) and air-cooling. The present paper studies the possibility of heat hardening after heating in the intercritical temperature range, the role of special carbides in realization of structural heredity, the laws of formation of structure, and the properties of commercial LCMS of grades 10Kh3GNM and 12Kh2G2NMFT.
ISSN:0026-0673
1573-8973
DOI:10.1007/s11041-005-0015-5