Influence of Prior Austenite Deformation and Non-Metallic Inclusions on Ferrite Formation in Low-Carbon Steels

被引：10
|
作者：
Zhang Chi [1 ]
Xia Zhi-xin [1 ]
Yang Zhi-gang [1 ]
Liu Zhi-hao [1 ]
机构：
[1] Tsinghua Univ, Dept Mat Sci & Engn, Beijing 100084, Peoples R China
来源：
JOURNAL OF IRON AND STEEL RESEARCH INTERNATIONAL | 2010年 / 17卷 / 06期
基金：
中国国家自然科学基金;
关键词：
austenite deformation; non-metallic inclusion; ferrite nucleation; low-carbon steel; HEAT-AFFECTED ZONE; LATTICE PLANE ANALYSIS; INTRAGRANULAR FERRITE; ACICULAR FERRITE; MICROALLOYED STEEL; INTERFACIAL ENERGY; MICROSTRUCTURAL EVOLUTION; WELD METALS; NUCLEATION; TOUGHNESS;
D O I：
10.1016/S1006-706X(10)60111-2
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
Effects of prior austenite deformation and non-metallic inclusions on the ferrite nucleation and grain refinement of two kinds of low-carbon steels have been studied. The ferrite nucleation on MnS and V(C,N) is observed. The combination of thermomechanical processes with adequate amounts of non-metallic inclusions formed in low-carbon steels could effectively refine the grain size and the microstructure. Ferrite nucleated on the single MnS or V(C,N) inclusions and complex MnS+V(C,N) inclusion. The proper addition of elements S and V could effectively promote the formation of ferrite and further refinement of ferrite grains.
引用
收藏
页码：36 / 42
页数：7
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