ISIJ International
Online ISSN : 1347-5460
Print ISSN : 0915-1559
ISSN-L : 0915-1559
Regular Article
Segregation in Twin Roll Strip Cast Steels and the Effect on Mechanical Properties
Zhenyu LiuZhaosen LinYiqing QiuNa LiXianghua LiuGuodong Wang
Author information
JOURNALS FREE ACCESS

2007 Volume 47 Issue 2 Pages 254-258

Details
Abstract

Strips of low carbon steels containing high contents of P and Cu have been produced by twin roll strip casting. The as-cast strips containing more than 0.1 mass% P exhibited obvious inverse surface segregation, which was difficult to be eliminated by the subsequent annealing treatments. After cold rolling and annealing treatment at 625°C for 30 min, the strip containing 0.1 mass% P exhibited similar plastic deformation and rupture behaviors with the strip containing 0.01% P, showing no obvious deteriorating effects of P on the ductility of as-cast strip. With increasing P content in steel, more cleavage cracks, micro voids and inter-granular rapture were observed in the fractured areas after tensile testing, which are believed to have been induced by the segregation of P in as cast strips. These results provide primary guidance for recycling dirty steel scraps.

Information related to the author
© 2007 by The Iron and Steel Institute of Japan
Previous article Next article
feedback
Top