Segregation of C and P in Steel Droplets Solidified in Drop Tube
The properties of steels can be improved by adding appropriate amount of alloying elements. However, the quality and properties of steels may be affected due to the segregation of the alloying elements. Rapid solidification was regarded to be an effective method to reduce or eliminate the segregation of alloying elements. While in this paper, the segregation of C and P was also observed in rapid solidified carbon steel droplets (in silicon oil) by drop tube processing. The distributions of alloying elements in 0.2m drop tube samples were similar to those in 50m drop tube samples. While in both 0.2m and 50m drop tube, the segregation of C and P was quite different when the contents of the samples were varied, the segregation profiles were discussed in detail. The microstructures of 50m droplet samples were a little finer than those of 0.2m droplet samples. The solidification speed was approximately the same from the surface to the center of each sample. In high-C samples, the microstructure was also corresponding to the distribution of C.
segregation C P droplet drop tube
LI Na ZHANG Jun-wei ZHAI Lu-lu
School of Material and Metallurgy, University of Science and Technology Liaoning,Anshan, 114051, China
国际会议
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)
北京
英文
579-582
2011-05-31（万方平台首次上网日期，不代表论文的发表时间）