以工业级原料为反应物,用溶胶-凝胶自蔓燃合成法和水热法两种湿化学工艺制备钛酸钡粉体,并将粉体性能进行了对比.结果表明:溶胶-凝胶自蔓燃工艺对原料纯度非常敏感;工业级原料由于杂质含量高,严重影响胶体的均匀性;胶体高温煅烧后,得到的粉体粒度变粗,致使电性能变差.水热法受原料纯度的影响小,制备的粉体性能优良.
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