溶胶-凝胶法制备包覆粉的研究现状  

Research Status on Preparation of Coated Composite Powder by Sol-gel Method

作　　者：崔珊 周鹏 CUI Shan;ZHOU Peng(Department of Aeronautical Materials Engineering,Xi'an AeronauticalPolytechnic Institute,Xi'an 710089,Shaanxi,China)

机构地区：[1]西安航空职业技术学院航空材料工程学院,陕西西安710089

出　　处：《合成材料老化与应用》2019年第2期144-147,151,共5页Synthetic Materials Aging and Application

基　　金：西安航空职业技术学院高层次人才科研启动金项目(No:18XHQDJ-001)

摘　　要：具有核壳结构的包覆型复合粉末,兼具包壳层材料和内核材料两种物质的优良性能。溶胶-凝胶法用于制备陶瓷包覆型复合粉体,可以实现涂层包覆,且包覆层组织结构均匀致密。该文对溶胶-凝胶法制备陶瓷包覆型复合粉体的制备原理、方法及制备过程中各环节的影响因素进行了概述和分析;介绍了溶胶-凝胶法制备包覆型复合粉末的各类应用及其发展趋势。The coated composite powder with particular core-shell structure have excellent properties of both core material and shell material. Preparation of coated composite powder by sol-gel method,a ceramic shell with homogeneous structure can be obtained. The preparation mechanism,methods and influence factors of sol-gel method are summarized and analyzed. The applications in cermet and development trend of coated composite powder prepared by sol-gel method are introduced.

关 键 词：溶胶-凝胶法 核壳结构 包覆型复合粉 

分 类 号：TB333[一般工业技术—材料科学与工程]