Quantitative Research on the Role of Large Precipitates in V–Ti Micro-Alloyed Steel during Dynamic Transformation
来源期刊：Acta Metallurgica Sinica2015年第1期
论文作者：Da-Yong Wu Fu-Ren Xiao Lai-Lei Wu Ming-Yu Sun Bo Liao
文章页码：77 - 82
摘 要：To research the effect of large precipitates（size [ 0.2 lm） on strain-induced dynamic transformation, the variation of V contents in large precipitates has been investigated quantitatively in two V–Ti micro-alloyed steels. The results showed that high N content promoted V precipitation on the surface of Ti large precipitates rapidly. Subsequently,large precipitates containing V induced the formation of intragranular ferrite, which accelerated the dynamic transformation process remarkably, promoted the occurrence of continuous dynamic recrystallization of ferrite and improved the refinement effect.
Da-Yong Wu，Fu-Ren Xiao，Lai-Lei Wu，Ming-Yu Sun，Bo Liao
The Key Laboratory of Metastable Materials Science & Technology, College of Materials Science and Engineering,Yanshan University
摘 要：To research the effect of large precipitates（size [ 0.2 lm） on strain-induced dynamic transformation, the variation of V contents in large precipitates has been investigated quantitatively in two V–Ti micro-alloyed steels. The results showed that high N content promoted V precipitation on the surface of Ti large precipitates rapidly. Subsequently,large precipitates containing V induced the formation of intragranular ferrite, which accelerated the dynamic transformation process remarkably, promoted the occurrence of continuous dynamic recrystallization of ferrite and improved the refinement effect.
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