Precipitation behavior of v and/or cu bearing middle carbon steels

Naoyuki Iwasa, Naohiro Sakata, Jun Takahashi, Dierk Raabe, Yoshitoshi Takemoto, Takehide Senuma

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

In this study, the precipitation behavior of middle carbon steels with single and multiple additions of 0.3mass%V and 2mass%Cu has been investigated. The precipitation treatment was carried out isothermally at 600°C.In the 0.3mass%V bearing steel, precipitates were observed in rows, indicating the occurrence of the interphase precipitation. On the other hand, precipitates observed in the 2mass%Cu bearing steel were randomly dispersed. In the V and Cu bearing steel, Cu precipitates were not randomly dispersed and mainly observed attached with VCN which were precipitated in rows. In the paper, the different precipitation behavior of the three steels is discussed in detail and is explained from a viewpoint of the thermodynamics and kinetics using a metallurgical model.

Original languageEnglish
Pages (from-to)434-441
Number of pages8
JournalTetsu-To-Hagane/Journal of the Iron and Steel Institute of Japan
Volume98
Issue number8
DOIs
Publication statusPublished - Aug 20 2012

Keywords

  • Hot forging
  • Interphase precipitation
  • Middle carbon steel
  • Precipitation

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Physical and Theoretical Chemistry
  • Metals and Alloys
  • Materials Chemistry

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