Mechanism of network carbide precipitation inhibited by aluminum in ultra-high carbon steel

Shu Qin Shi, Nan Ju Gu, T. Furuhara, T. Maki, Guang Chen

研究成果: Article査読

4 被引用数 (Scopus)

抄録

The influence of Al on the separation of netlike carbide in the Ultra High Carbon Steel (UHCS) is investigated by CAPHAD, EDS analysis and microstructural observation. It is found that the Al content strongly influences the separation of netlike carbide in the UHCS with 1.5wt%C. With Al increasing, the Austenite grain size decreases and the amount of grain boundary increases, thus the forming of netlike carbide is restrained. The undissolved carbide increases, the carbon dissolved in austenite decreases, thus the driving force for the separation of netlike carbide becomes less. The enrichment of Al around the grain boundaries also retards the nucleation and growth of netlike carbides. When the Al content approaches 2.0wt%, the network carbide tends to be discontinues, and even no carbide is observed in some grain boundaries, this kind of netlike carbide is easy to be spheroidized during spheroidizing.

本文言語English
ページ(範囲)79-82
ページ数4
ジャーナルCailiao Rechuli Xuebao/Transactions of Materials and Heat Treatment
26
4
出版ステータスPublished - 2005 8 1
外部発表はい

ASJC Scopus subject areas

  • 材料科学(全般)
  • 物理学および天文学(全般)

フィンガープリント

「Mechanism of network carbide precipitation inhibited by aluminum in ultra-high carbon steel」の研究トピックを掘り下げます。これらがまとまってユニークなフィンガープリントを構成します。

引用スタイル