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Solute trapping model based on solute drag treatment
  • ISSN号：1003-6326
  • 期刊名称：中国有色金属学会会刊(英文版)
  • 时间：0
  • 页码：877-881
  • 语言：中文
  • 分类：O657.72[理学—分析化学;理学—化学] TN919.8[电子电信—通信与信息系统;电子电信—信息与通信工程]
  • 作者机构：[1]State Key Laboratory of Solidification Processing, Northwestern Polytechnical University, Xi＇an 710072, China
  • 相关基金：Projects（50501020 50395103 50431030） supported by the National Natural Science Foundation of China; Project（NCET-05-870） supported by Program for New Century Excellent Talents in University of China; Project（CX200706） supported by the Doctorate Foundation of Northwestern Polytechnical University China
  • 相关项目：非平衡凝固过程中有关形核、生长及碰撞的竞争问题
作者： Liu F|Yang W|Wang HF|Chen Z|
关键词： 模型基, 溶质, 拖曳, 截留, 治疗, 相场模型, 接口速度, 自由能密度, solute trapping, solute drag, diffusive interface
中文摘要：

套住模型的溶质基于所谓的溶质被开发拖处理。由采用阶段地模型的一条基本途径，并且在界面的区域定义免费精力密度，合适的接口形状功能被介绍导出当前的模型，在哪个平衡和非平衡接口行为能用无尺寸的参数 L 被描述(即在现在的接口形状函数的一个重要参数)。当使用水流时，与 L=0.5 为合金建模到 Si-9%As (臼齿的部分) ，为高接口速度的更陡峭的侧面的好预言，用 DANILOV 和 NESLTER 的一个阶段地模型类似于那，被获得了。

英文摘要：

A solute trapping model is developed based on a so-called solute drag treatment.By adopting a basic approach of phase-field models,and defining the free energy density in the interfacial region,a suitable interface shape function is introduced to derive the current model,in which the equilibrium and non-equilibrium interface behaviours can be described using a dimensionless parameter L （i.e.an important parameter in the present interface shape function）.When applying the current model to Si-9%As （molar fraction） alloy with L=0.5,a good prediction of the steeper profile for high interface velocity,which is analogous to that using a phase-field model of DANILOV and NESLTER,has been obtained.

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期刊信息
  • 《中国有色金属学报：英文版》
  • 中国科技核心期刊
  • 主管单位:中国科学技术协会
  • 主办单位:中国有色金属学会
  • 主编：黄伯云
  • 地址：中国长沙中南大学
  • 邮编：410083
  • 邮箱：f-xsxb@csu.edu.cn
  • 电话：0731-88830949
  • 国际标准刊号：ISSN：1003-6326
  • 国内统一刊号：ISSN：43-1239/TG
  • 邮发代号:42-317
  • 获奖情况:
  • 国家“双百”期刊,第二届全国优秀科技期刊评比二等奖,中国有色金属工业总公司优秀科技期刊一等奖
  • 国内外数据库收录:
  • 俄罗斯文摘杂志,美国化学文摘（网络版）,荷兰文摘与引文数据库,美国工程索引,美国剑桥科学文摘,美国科学引文索引（扩展库）,英国科学文摘数据库,日本日本科学技术振兴机构数据库,中国中国科技核心期刊
  • 被引量:1159