采用固相法合成粉体,冷等静压成型,保护烧结制备出了单一相的γ-LiAlO2陶瓷试样.采用激光粒度仪,XRD和电子拉伸机等分别测定了粉体的粒度、相组成和试样的抗压性能等.主要研究了粉体合成以及工艺因素对烧结后γ-LiAlO2陶瓷试样的相对密度、气孔率和抗压强度等性能的影响.研究结果表明:原始粉料的粒度和分布对烧结影响很大;成型压力为300MPa,烧结温度1 400℃保温6 h所得试样的性能较佳.
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