Recent Development and Applications of V Microalloying Technology in China

摘要：

This paper reviews recent developments of V microalloying technology and its applications in HSLA steels.Enhanced-nitrogen in V-containing steel promotes precipitation of fine V(C, N) particles, and improves markedly precipitation strengthening effectiveness of vanadium, therefore, there is a significant saving of V addition in the same strength requirement. Vanadium can be used effectively for ferrite grain refinement by the nucleation of intragranular ferrite promoted by VN precipitates in Austenite. The combination of intragranular ferrite (IGF) on VN particles and the recrystallization controlled rolling (RCR) technology realize the grain refinement in V-containing steel. V-N process is a cost-effective way for high strength rebars, forging steels and thin slab direct rolling strips.

关键词： V Microalloying Precipitation Strengthening Intragranular Ferrite recrystallization controlled rolling

作者: YANG Cai-fu SU Hang CHAI Feng PAN Tao ZHANG Yong-quan

作者单位: Central Iron and Steel Research Institute, Beijing 100081, China

会议类型: 国际会议

会议名称: The 6th International Conference on High Strength Low Alloy Steels(第六届高强度低合金钢国际会议HSLA Steels2011)

会议地点: 北京

会议语种:英文

页码: 608-613

在线出版日期: 2011-05-31（万方平台首次上网日期，不代表论文的发表时间）