Lateral Growth Rate of Cells in Melt
Lateral Growth Rate of Cells in Melt作者机构：School of Materials Science and Engineering Liaoning University of Technology J inzhou 121001 Liaoning China
出 版 物：《Journal of Iron and Steel Research International》 (J. Iron Steel Res. Int.)
年 卷 期：2012年第19卷第4期
页 面：28-33,50页
核心收录：
学科分类：080503[工学-材料加工工程] 08[工学] 0805[工学-材料科学与工程（可授工学、理学学位）] 080502[工学-材料学] 0802[工学-机械工程] 080201[工学-机械制造及其自动化]
基 金：Sponsored by National Natural Science Foundation of China(50874060) Program for Excellent Talents of Liaoning Province in University of China(LR201019)
主 题：cell growth solidification process carbon steel in-situ observation
摘 要：Growth process of δ-phase was studied during the solidification of carbon *** analyzing the solute diffusion around cylindrical crystals in the melt,the mathematic representation of lateral growth rate of cylindrical crystals was confirmed;the calculation and analysis of lateral growth rate were carried *** order to validate the theoretical calculation and analysis,the growth process of δ-phase during the solidification was in-situ observed using a confocal scaning laser microscope（CSLM） and the growth rates were measured through CSLM *** results show that lateral growth rates of δ-phase in the carbon steel first rapidly decrease with the increase of the radius of the cylindrical crystal,and then slowly fall down or maintain *** radius of δ-phase is the primary factor to affect the growth *** higher the temperature gradient is,the bigger the growth rate ***,the effect of the temperature gradient is *** correlation is obtained between theoretical analysis and experiment results in absolute values of lateral growth rate and change rule
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