摘要：研究了不同声场作用下 ,溶胶 -凝胶制备氧化锆纳米粉体过程中凝胶的形成及性状。结果表明 ,在适当的声场作用下 ,可得到颗粒均匀、分散性好、聚集体少且较致密的氧化锆凝胶

关键词：纳米粉体;声场;溶胶-凝胶法;

Abstract：The effect of sonic field on ZrO₃ gel made by sol－gel method is studied．The results show that the gel which the size is mean and dispersion is good can be obtained under suitable sonic field．There is little agglemeration within the gel． 

Key words：nano－powder；sonic field；sol－gel method