Morphological evolution of ZrO2-SiO2 composite gel and stability of tetragonal ZrO2
作者： S.W. Wang , J.K. Guo , X.X. Huang , B.S. Li
DOI: 10.1016/0167-577X(95)00168-9
关键词: Monoclinic crystal system 、 Transmission electron microscopy 、 Particle 、 Materials science 、 Chemical engineering 、 Mineralogy 、 Particle size 、 Fumed silica 、 Silica gel 、 Tetragonal crystal system 、 Composite number
摘要: Abstract Composite ZrO 2 -SiO gels were prepared using fumed silica and ZrOCl solution as starting materials. Morphological evolution of particles formed during heat treatment, the particle sizes composites investigated by transmission electron microscopy. The morphology experiences several changes i.e. initially loose sponge-like body to dense agglomerates, then spherical which are embedded in matrix, finally larger particles. stability tetragonal zirconia is discussed light particle-size effect. martensitic transformation (to monoclinic phase) was found occur situ, when irradiated a high-energy beam.
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