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Thermodynamic investigation of ZrO_2-BaO system 被引量：1

Thermodynamic investigation of ZrO_2-BaO system
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摘要 Thermodynamic description of ZrO2-BaO system was developed using the available experimental information. Special attention was paid to the modelling of the perovskite phase BaZrO3 by a temperature-dependent polynomial to fit the experimental thermodynamic properties. The liquid phases, CSS (cubic ZrO2 solid solution) and TSS (tetragonal ZrO2 solid solution) were modelled with Redlich-Kister formula. The compounds Ba2ZrO4 and Ba3Zr2O7 were treated as stoichiometric phases and the BaOSS and MSS (halite BaO and monoclinic ZrO2 solid solutions) were treated as pure compounds. Comparisons between the calculated and the measured phase diagram as well as the thermodynamic quantities indicate that the most reliable experimental information is satisfactorily accounted for by the present thermodynamic calculation. Thermodynamic description of ZrO2-BaO system was developed using the available experimental information. Special attention was paid to the modelling of the perovskite phase BaZrO3 by a temperature-dependent polynomial to fit the experimental thermodynamic properties. The liquid phases, Css （cubic ZrO2 solid solution） and Tss （tetragonal ZrO2 solid solution） were modelled with Redlich-Kister formula. The compounds Ba2ZrO4 and Ba3Zr207 were treated as stoichiometric phases and the BaOss and Mss （halite BaO and monoclinic ZrO2 solid solutions） were treated as pure compounds. Comparisons between the calculated and the measured phase diagram as well as the thermodynamic quantities indicate that the most reliable experimental information is satisfactorily accounted for by the present thermodynamic calculation.
作者 龚伟平 陈腾飞 金展鹏
机构地区 State Key Laboratory of Powder Metallurgy
出处 《中国有色金属学会会刊：英文版》 EI CSCD 2007年第2期232-237,共6页 Transactions of Nonferrous Metals Society of China
基金 Project(33354) supported by the Natural Science Foundation of Guangdong Province, China
关键词 ZrO2-BaO系统 热力学研究 钙钛矿相 氧化锆 氧化钡 ZrO2-BaO system thermodynamic description perovskite phase Redlich-Kister formula
分类号 TB39 [一般工业技术—材料科学与工程]
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参考文献24

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同被引文献16

  • 1贺志荣,王芳,周敬恩.TiNi合金的超弹性及其工程应用研究进展[J].钛工业进展,2005,22(2):10-16. 被引量：13
  • 2Matsugi K, Mamiya H, Choi Y B, et al. Melting and solidification of" TiNi alloys by cold crucih[e levitation method and evaluation of Iheir characteristics [ J ]. International Journal of Cast Metals Research, 2008, 21 (1/4): 156-161.
  • 3Erb A, Walker E, Flukiger R. The use of BaZrO~ crucibles in crystal growth of the high-T,, superconduclors progress incrystal growth as well as in sample quality [ J ]. Physica C: Superconductivity, 1996, 258( 1/2): 9- 20.
  • 4Gopalan S, Virkar A V. Interdiffusion and Kirkendall effect in doped BaTiO3-BaZrO3 perovskites, effect of vacancy supersaturation [ J ]. Journal of the American Ceramic Society, 1999, 82(10) : 2887 - 2899.
  • 5Zhang Z, Xing F Y, Zhu M, et al. Vacuum induction melting of TiNi alloys using BaZrO3 crucibles [ J ]. Materials Science Forum, 2013, 765:316-320.
  • 6Foroozmehr A, Kermanpur A, Ashrafizadeh F, et al. Effects of thermo-mechanical parameters on microstructureand mechanical properties of Ti-50at. % Ni shape memory alloy produced by VAR method [ J ]. Materials Science and Engineering A, 2012, 535: 164- 169.
  • 7Lin H C, Wu S K. The tensile behavior of a cold-rolled and reverse-transformed equiatomic TiNi alloy [ J ]. Acta Metallurgica et Materialia, 1994, 42(5) : 1623 -1630.
  • 8戚宝德.杂质对Ti-55.8wt%NiSMA低周弯曲疲劳性能的影响[D].北京:北京有色金属研究总院,2006.
  • 9Brailovski V, Terriault P, Prokoshkin S. Influence of the post-deformation annealing heat treatment on the low-cycle fatigue of NiTi shape memory alloys [ J 1. Journal of Materi- als Engineering and Performance, 2002, 11 (6) : 614 -621.
  • 10戚宝德,缪卫东,王江波,冯昭伟,朱明.杂质对Ti-55.8%Ni SMA低周弯曲疲劳性能的影响[J].稀有金属,2008,32(2):252-256. 被引量：2

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中国有色金属学会会刊：英文版
2007年 第2期

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