Effect on the Vanadium Addition on the Microstructure and Property of HRB 400 Steel Bar

被引：0
|
作者：
Qiu, Wei-Ming [1 ]
Xiao, Ji-Guang [1 ]
Guo, Jun [1 ]
Wen, Xue-Rong [1 ]
Li, Zhi-Peng [1 ]
机构：
[1] Qual Measurement Supervis & Inspect Shaoguan City, Shaoguan City 512026, Guangdong, Peoples R China
来源：
JOINT CONFERENCES OF 2017 INTERNATIONAL CONFERENCE ON MATERIALS SCIENCE AND ENGINEERING APPLICATION (ICMSEA 2017) AND 2017 INTERNATIONAL CONFERENCE ON MECHANICS, CIVIL ENGINEERING AND BUILDING MATERIALS (MCEBM 2017) | 2017年 / 124卷
关键词：
Bar steel; Vanadium micro-alloyed technology; Grain refinement; Precipitation hardening;
D O I：
暂无
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
High strength vanadium micro-alloyed steel with yield strength of 600MPa has been developed based on commercial HRB400 steel bar. Experimental methods, such as OM, SEM and TEM, were used to study the experimental steels. Compared with HRB400, HRB400 steel with vanadium addition boasts much finer microstructure, and large numbers of nanometer precipitates exist in the specimens of HRB400 steel with vanadium addition. Analysis shows that strength of HRB400 steel with vanadium addition dramatically increases through grain refinement strengthening and precipitation hardening of nanometer VCN particles.
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页数：4
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