FORMATION OF ALKOXY-DERIVED YTTRIUM ALUMINUM-OXIDES

被引:78
作者
YAMAGUCHI, O [1 ]
TAKEOKA, K [1 ]
HIROTA, K [1 ]
TAKANO, H [1 ]
HAYASHIDA, A [1 ]
机构
[1] DOSHISHA UNIV,FAC ENGN,DEPT CHEM ENGN,KYOTO 602,JAPAN
关键词
D O I
10.1007/BF01142034
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Monoclinic Y4Al2O9 and hexagonal YAlO3 crystallize at low temperatures from amorphous materials prepared by the hydrolysis of yttrium and aluminium double alkoxides. Hexagonal YAlO3 transforms to the cubic phase with a garnet structure as an intermediate product at elevated temperatures. The formation process of YAlO3 is described. Solid solutions of hexagonal YAlO3 crystallize between 50 and 62.5 mol% Al2O3. Yttrium aluminium garnet Y3Al5O12(YAG) is formed by transformation of the solid solution.
引用
收藏
页码:1261 / 1264
页数:4
相关论文
共 50 条
  • [41] Crystallization Behavior of Alkoxy-Derived Cordierite Gels
    R. Petrović
    Dj. Janaćković
    S. Zec
    S. Drmanić
    Lj. Kostić-Gvozdenović
    Journal of Sol-Gel Science and Technology, 2003, 28 : 111 - 118
  • [42] STUDIES ON SMALL CRYSTALLINE ALUMINUM-OXIDES
    BOLLMANN, U
    BECKER, K
    BORNMANN, P
    ENGELS, S
    HAUPT, K
    KOBELKE, I
    ZEITSCHRIFT FUR CHEMIE, 1985, 25 (08): : 304 - 304
  • [43] GROWTH SHAPES OF ALUMINUM-OXIDES IN STEELS
    STEINMETZ, E
    LINDENBERG, HU
    MORSDORF, W
    HAMMERSCHMID, P
    ARCHIV FUR DAS EISENHUTTENWESEN, 1977, 48 (11): : 569 - 574
  • [44] ON STRUCTURES OF MIXED TITANIUM ALUMINUM-OXIDES
    SPERISEN, T
    MOCELLIN, A
    JOURNAL OF MATERIALS SCIENCE LETTERS, 1991, 10 (14) : 831 - 833
  • [45] MECHANISM OF ZINC ADSORPTION BY IRON AND ALUMINUM-OXIDES
    KALBASI, M
    RACZ, GJ
    LOEWENRUDGERS, LA
    SOIL SCIENCE, 1978, 125 (03) : 146 - 150
  • [46] CHARACTERIZATION OF ALKOXY-DERIVED YTTRIA-STABILIZED HAFNIA
    BROWN, LM
    MAZDIYASNI, KS
    JOURNAL OF THE AMERICAN CERAMIC SOCIETY, 1970, 53 (11) : 590 - +
  • [47] THE STRUCTURAL EVOLUTION OF ALKOXY-DERIVED GEL DURING DRYING
    YASUMORI, A
    KAWAZOE, H
    YAMANE, M
    JOURNAL OF NON-CRYSTALLINE SOLIDS, 1988, 100 (1-3) : 215 - 219
  • [48] THE FORMATION AND CHARACTERIZATION OF ALKOXY-DERIVED BI4TI3O12
    YAMAGUCHI, O
    MARUYAMA, N
    HIROTA, K
    BRITISH CERAMIC TRANSACTIONS AND JOURNAL, 1991, 90 (04): : 111 - 113
  • [49] MECHANICAL-PROPERTIES OF ALKOXY-DERIVED CORDIERITE CERAMICS
    SUZUKI, H
    OTA, K
    SAITO, H
    JOURNAL OF MATERIALS SCIENCE, 1988, 23 (05) : 1534 - 1538
  • [50] CHARACTERIZATION AND METASTABILITY OF ALKOXY-DERIVED TETRAGONAL ZIRCONIA POWDER
    WANG, HC
    LIN, KL
    JOURNAL OF MATERIALS SCIENCE, 1991, 26 (09) : 2501 - 2506