ISIJ International
Online ISSN : 1347-5460
Print ISSN : 0915-1559
ISSN-L : 0915-1559
Transformations and Microstructures
Dependence of Carbon Concentration and Alloying Elements on the Stability of Iron Carbides
Hideaki SawadaNaoki MaruyamaShinichiro TabataKazuto Kawakami
Author information
JOURNALS OPEN ACCESS FULL-TEXT HTML

2019 Volume 59 Issue 6 Pages 1128-1135

Details
Abstract

The precipitation of iron carbides is a crucial factor that determines the properties of tempered martensite. However, the effect of alloying elements on the carbon concentration of ε carbide has not yet been clarified. In this work, we studied the effect of alloying elements on the carbon concentration of ε carbide using first-principles calculations and a three-dimensional atom probe. The first-principles calculations showed that ε carbide with a lower carbon concentration tends to form by the inclusion of Si. The carbon concentration in ε carbide measured by the three-dimensional atom probe was consistent with the first-principles calculations.

Information related to the author
© 2019 by The Iron and Steel Institute of Japan
Previous article Next article
feedback
Top