ZrO_2球的准气相反应合成  

Synthesis of ZrO_2 Spheres by Quasi-gaseous State Reaction

作　　者：张辉[1] 刘莲云[1] 安振涛[2] 张登君[2] 唐清[2] 

机构地区：[1]北京交通大学理学院,北京100044 [2]中国科学院过程工程研究所新材料组,北京100080

出　　处：《化学学报》2005年第12期1131-1135,i005,共6页Acta Chimica Sinica

基　　金：国家自然科学基金(No.59974026);北京交通大学科技基金(No.2003LSM003)资助项目.

摘　　要：提出了一种工艺简单、成本低廉的准气相反应合成ZrO2球的新方法.通过对产物的SEM观测表明:该方法制备的ZrO2粒子为较好的球形,球表面光滑;其平均粒径1.71μm,标准偏差0.49μm;球有三种结构:均匀致密结构、核心疏松外层致密结构和空心结构;经600℃煅烧后,XRD分析确定ZrO2球的相组成主要为立方相.A novel, simple and inexpensive quasi-gaseous state reaction method for synthesizing ZrO2 spheres has been developed in our recent work. SEM characterization shows that fairly spherical ZrO2 particles with smooth surface and average diameter of 1.71 mu m with the standard deviation of 0.49 mu m, have been obtained by using the new process. The spheres prepared have three types of structure: the homogeneous and dense structure, the structure with a loose core and dense shell, and the hollow structure. XRD measurement demonstrates that the phase composition of ZrO2 spheres after calcining at 600 degrees C is major c-ZrO2.

关 键 词：ZRO2 反应合成 气相 XRD分析 表面光滑 平均粒径 标准偏差 空心结构 致密结构 SEM 成本低 600 立方相 相组成 球形 产物 煅烧 

分 类 号：O614[理学—无机化学]