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Cu-Pt和Pd-Pt二元合金系中fcc相扩散迁移率参数的优化与计算
  • ISSN号：0438-0479
  • 期刊名称：《厦门大学学报：自然科学版》
  • 时间：0
  • 分类：TG111.6[金属学及工艺—物理冶金;金属学及工艺—金属学]
  • 作者机构：[1]厦门大学材料学院,福建厦门361005
  • 相关基金：国家自然科学基金重点项目（51031003）; 教育部博士学科点专项科研基金（20120121130004）
作者： 王翠萍[1], 张炎财[1], 卢勇[1], 蔺金燕, 余涌[1], 刘兴军[1]
关键词： Cu-Pt二元合金系, Pd-Pt二元合金系, 扩散迁移率参数, 扩散系数, DICTRA, Cu-Pt alloy , Pd-Pt alloy , diffusion mobility , diffusion coefficient, DICTRA
中文摘要：

利用DICTRA（diffusion controlled transformation）软件分别优化了Cu-Pt和Pd-Pt二元合金系中fcc相扩散迁移率参数与温度的函数关系,计算结果和实验数据取得了良好的一致性.基于所优化的参数计算了扩散偶的浓度曲线,计算结果与实验结果比较可知,本研究所优化的扩散迁移率参数具有良好的准确性与有效性.该研究为Cu-Pt和Pd-Pt二元合金系的动力学研究提供了基础数据.

英文摘要：

Based on CALPHAD （calculation of phase diagram） technique, the diffusion mobilities in fcc Cu-Pt and Pd-Pt alloys have been assessed as a function of temperature using DICTRA （diffusion controlled transformation） software package in this work. The calculated results are in good agreement with the experimental data. Further verification of the diffusion mobilities obtained is carried out through comprehensive comparisons between the model-predicted diffusion profiles of several diffusion couples and the experimental data. The results indicate that the diffusion rnobilities obtained can reproduce the experimental data well. The study provides the basic databases for the kinetics research of Cu-Pt and Pd-Pt alloys.

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期刊信息
  • 《厦门大学学报：自然科学版》
  • 中国科技核心期刊
  • 主管单位:中华人民共和国教育部
  • 主办单位:厦门大学
  • 主编：谢素原
  • 地址：厦门市思明南路422号厦门大学嘉庚三 817-819室
  • 邮编：361005
  • 邮箱：jxmu@xmu.edu.cn
  • 电话：0592-2180367 2187731
  • 国际标准刊号：ISSN：0438-0479
  • 国内统一刊号：ISSN：35-1070/N
  • 邮发代号:34-8
  • 获奖情况:
  • 多次被评为全国、华东地区、福建省的优秀科技期刊,2001年入选国家新闻出版总署评定的"中国期刊方阵",2003年获国家新闻出版总署颁发的"第二届国家科技...,2006年获国家教育部科技司颁发的"首届中国高校精...
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  • 被引量:16575