Effect of boron on the hot ductility of the Nb-microalloyed steel in austenite region

被引：0
|
作者：
Faramarz Zarandi
Steve Yue
机构：
[1] McGill University,the Department of Metals and Materials Engineering
来源：
Metallurgical and Materials Transactions A | 2006年 / 37卷
关键词：
Austenite; Material Transaction; Corrosion Cavity; Austenite Region; Continuous Casting Process;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Two grades of the Nb-microalloyed steel, one modified with B, were subjected toin situ melting and the thermal schedules experienced by the billet surface in the continuous casting process. The hot ductility was evaluated at various temperatures at the straightening stage of the process. It was found that addition of B improves the hot ductility in the austenite region. Such improvement could be due to fast precipitation at grain boundaries as well as depletion of precipitants and strengthening elements in the matrix.
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页码：2316 / 2320
页数：4
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