采用凝胶球化-固相反应烧结工艺制备Li4SiO4陶瓷小球.以SiO2和Li2CO3为原料与粘结剂混合制备浆料,通过滴定装置滴入硅油中凝胶成球.成型坯体小球经固相反应烧结获得Li4SiO4陶瓷小球.结果表明,制备陶瓷小球直径分布于1.2 ～1.4 mm之间,平均直径为1.3 mm,球形度优于1.04.通过SEM对烧结陶瓷小球微观形貌观察,其晶粒尺寸在3～5 μm,且在小球表面及内部均匀分布大小为1 ～2 μm的微孔,小球压碎载荷平均值为39.89 N.
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