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Interdiffusion in the Fe203-TiO2 system
  • ISSN号：1006-706X
  • 期刊名称：《钢铁研究学报：英文版》
  • 时间：0
  • 分类：TQ013[化学工程] TP274[自动化与计算机技术—控制科学与工程;自动化与计算机技术—检测技术与自动化装置]
  • 作者机构：[1]State Key Laboratory of Advanced Metallurgy, University of Science and Technology Beijing, Beijing 100083, China, [2]School of Metallurgical Ecological Engineering, University of Science and Technology Beijing, Beijing 100083, China, [3]School of Materials and Metallurgy, Northeastern University, Shenyang 110006, China
  • 相关基金：Acknowledgements This work was financially supported by the National Natural Science Foundation of China （No. 51090384）.
作者： Zhong-shan Ren[1,2], Xiao-jun Hu[1,2], Shen-yang Li[1,2], Xiang-xin Xue[3], Kuo-chih Chou[1,2]
关键词： 互扩散系数, 温度范围, 扩散浓度, 抛物线规律, 阳离子, 显微分析, 电子探针, 摩尔分数, interdiffusion, titanium dioxide, iron oxides, diffusion couples, electron probe microanalysis
中文摘要：

Interdiffusion in the Fe2O3-TiO2 system was investigated by the diffusion couple method in the temperature range of 1323 to 1473 K. The diffusion concentration curves of Ti 4+ cations were obtained by electron probe microanalysis, according to which the Boltzmann-Matano method optimized by Broeder was used to calculate the interdiffusion coefficients. The interdiffusion coefficients almost increased linearly with the mole fraction of Ti 4+ cations increasing, and they were in the range of 10-12-10-11 cm2 ·s-1 . The increase of temperature could also lead to the increase of the interdiffusion coefficients at a constant concentration of Ti 4+ cations. It was also found that the thickness growth of the diffusion layer obeyed the parabolic rate law.

英文摘要：

Interdiffusion in the Fe203-TiO2 system was investigated by the diffusion couple method in the temperature range of 1323 to 1473 K. The diffusion concentration curves of Ti4＋ cations were obtained by electron probe microanalysis, according to which the Boltzmann-Matano method optimized by Broeder was used to calculate the interdiffusion coeffi- cients. The interdiffusion coefficients almost increased linearly with the mole fraction of Ti4＋ cations increasing, and they were in the range of 10-12-10-11cm2-s-1. The increase of temperature could also lead to the increase of the interdiffusion coefficients at a constant concentration of Ti4＋ cations. It was also found that the thickness growth of the diffusion layer obeyed the parabolic rate law.

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期刊信息
  • 《钢铁研究学报：英文版》
  • 中国科技核心期刊
  • 主管单位:中国钢铁工业协会
  • 主办单位:冶金部钢铁研究总院
  • 主编：Tian Zhi-ling
  • 地址：北京学院南路76号
  • 邮编：100081
  • 邮箱：gtyjxb-e@163.com
  • 电话：010-62182295
  • 国际标准刊号：ISSN：1006-706X
  • 国内统一刊号：ISSN：11-3678/TF
  • 邮发代号:82-767
  • 获奖情况:
  • 国内外数据库收录:
  • 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:167