Bulk and surface quenching of structural steel: Morphological analysis of the structure

Yu F. Ivanov, É V. Kozlov

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Structures formed in medium-carbon low-alloy steels during bulk quenching from furnace heating and surface quenching initiated by a low-power high-current electron beam are investigated by the methods of diffraction electron microscopy. The influence of the carbon concentration, initial austenite grain size, and cooling rate on the morphology of martensitic crystals and self-tempered carbide particles, long-range stress fields inside a packet and plates, and their dislocation substructure is analyzed. The temperature intervals for the formation of high-temperature plate martensitic crystals and packet (lath) martensite are estimated. It is demonstrated that the structure formed at ultrahigh heating and cooling rates is determined mostly by the morphology of martensite in the initial steel samples.

Original languageEnglish
Pages (from-to)209-231
Number of pages23
JournalRussian Physics Journal
Issue number3
Publication statusPublished - 2002


ASJC Scopus subject areas

  • Physics and Astronomy(all)

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