金属学报  2011, Vol. 47 Issue (3): 380-384    DOI: 10.3724/SP.J.1037.2010.00409

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包晶反应产物侧向生长速度的研究

常国威,金光灿,陈淑英,李青春,岳旭东

辽宁工业大学材料科学与工程学院 ,锦州 121001

STUDY ON LATERAL GROWTH RATE OF PERITECTIC REACTION PRODUCTS

CHANG Guowei, JIN Guangcan, CHEN Shuying, LI Qingchun, YUE Xudong

School of Materials Science and Engineering, Liaoning University of Technology, Jinzhou 121001

常国威 金光灿 陈淑英 李青春 岳旭东. 包晶反应产物侧向生长速度的研究[J]. 金属学报, 2011, 47(3): 380-384.
, , , , . STUDY ON LATERAL GROWTH RATE OF PERITECTIC REACTION PRODUCTS[J]. Acta Metall Sin, 2011, 47(3): 380-384.

摘要 参考文献 相关文章 Metrics 全文: PDF(805 KB)   摘要: 针对Fe-C合金包晶反应过程中, γ相沿L/δ界面侧向生长速度的实测值远远大于Bosze和Trivedi[2]模型的计算值的问题, 分析了包晶反应过程中固/液界面前沿溶质浓度分布状况, 得到了金属熔体中圆柱形固相生长时固/液界面前沿溶质浓度分布表达式. 以Jackson[9]$提出的熔体中粗糙界面生长速度公式为基础, 确定了适合计算合金包晶反应产物侧向生长速度的公式, 并将其应用于Fe-C和Fe-Ni合金的包晶反应过程, 计算结果表明, Fe-C和Fe-Ni合金的包晶反应产物γ相的侧向生长速度计算值与Shibata等[4]和Mcdonald等[5]在激光共聚焦扫描显微镜下观察Fe-C和Fe-Ni合金包晶反应时所测得的γ相沿L/δ界面侧向生长速度的实验值基本吻合 关键词 ： 包晶反应,  凝固过程,  晶体生长,  生长速度     Abstract：Aiming at the problem which the experimental results of lateral growth rates of austenite (γ–phase) in the peritectic reaction of Fe–C alloy is much larger than the calculation based on Bosze and Trivedi[2] models, solute distribution in front of the solid/liquid interface in the peritectic reaction was analyzed in detail in this article, and the expression of solute distribution while the cylindrical solid phase gew in melt was also put forward. On the basis of the growth rate formula for the coarse interface deduced by Jackson[9], the advisable epression was obtained for calculating ateral growth rate of the peritectic reaction products, and which was applied to the peritectic reaction progress of Fe–C nd Fe–Ni alloys, respectively. The results showed that the calculation lateral growth rates of the peritectic reaction products (γ–phase) were coincide with the experimental results made by Shibata et al[4] and Mcdonald et al[5] through the observation of the peritectic reaction of Fe–C and Fe–Ni alloys using a confocl scanning laser microscope (CSLM). Key words： peritectic rection    solidification process    crystal growth    growth rate 收稿日期: 2010-08-16      ZTFLH:  TG111.5   基金资助: 国家自然科学基金资助项目50874060 作者简介: 常国威, 男, 1960年生, 教授 服务 把本文推荐给朋友 加入引用管理器 E-mail Alert RSS 作者相关文章 常国威 金光灿 陈淑英 李青春 岳旭东 44.8K 链接本文: https://www.ams.org.cn/CN/10.3724/SP.J.1037.2010.00409      或      https://www.ams.org.cn/CN/Y2011/V47/I3/380 [1] Trivedi R. 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