碳热还原ZrSiO4制备ZrO2(Y2O3)粉末和SiC纳米粉末

被引:1
|
作者
余润洲
唐绍裘
杜海清
机构
[1] 中南大学材料科学与工程系!湖南长沙
[2] 湖南大学化学化工学院!湖南长沙
关键词
ZrSiO4; 碳热还原; ZrO2(Y2O3)粉末; SiC纳米粉末;
D O I
暂无
中图分类号
TQ174 [陶瓷工业];
学科分类号
摘要
ZrO 2(Y 2O 3) powder and SiC nanopowder were prepared by carbothermal reduction of ZrSiO 4. With the existence of additive Y 2O 3 and other impurities, ZrSiO 4 was dissociated into ZrO 2 and SiO 2 in the condition of 1450—1550?℃. ZrO 2(Y 2O 3)powder was thus obtained via the removal of SiO 2 as silicon oxide (SiO) gas during carbothermal reduction process. SiC nanopowder and small amount of SiC whisker were synthesized form the gas-phase reaction between SiO vapor and supplied CH 4 gas.
引用
收藏
页码:76 / 78
页数:3
相关论文
共 4 条
  • [1] 单分散纳米水合氧化锆的制备
    王昕
    李镇江
    杨丰科
    侯耀永
    周玉
    [J]. 化工学报, 1999, (04) : 519 - 523
  • [2] 溶胶-悬浮液混合制备ZrO2(n)-Al2O3纳米复合陶瓷
    王昕
    尹衍升
    李镇江
    杨静漪
    周玉
    [J]. 化工学报, 1999, (03) : 362 - 366
  • [3] CONTINUOUS SYNTHESIS OF SILICON-CARBIDE WHISKERS
    CHOI, HJ
    LEE, JG
    [J]. JOURNAL OF MATERIALS SCIENCE, 1995, 30 (08) : 1982 - 1986
  • [4] CRYSTAL-GROWTH OF SIC WHISKER FROM THE SIO(G)-CO SYSTEM
    SAITO, M
    NAGASHIMA, S
    KATO, A
    [J]. JOURNAL OF MATERIALS SCIENCE LETTERS, 1992, 11 (07) : 373 - 376