摘要
在凝固过程中,电磁搅拌所导致的熔体流动使钢的原始奥氏体晶粒得到了细化;但却粗化了二次枝晶臂间距,其结果。使抗拉强度提高,并使断面收缩率明显下降。微量Ce的加入能够抑制电磁搅拌的不利作用。
The melt flow induced by the electromagnetic stirring in the molten low sulphursteel may fine the original austenite grains, but widen the secondary dendritic arm spacings.As a result, the ultimate tensile strength of the steel will be improved and the reduction ofarea will be remarkably decreased. The microalloying by an addition of Ce may retard the un-favourable effect of the electromagnetic stirring.
出处
《金属学报》
SCIE
EI
CAS
CSCD
北大核心
1990年第4期A313-A316,共4页
Acta Metallurgica Sinica
关键词
钢
组织
机械性能
枝晶
电磁
搅拌
electromagnetic stirring
dendritic structure
plasticity
