以硝酸钇(Y(NO3)3)和氯化铪(HfCl4)为原料,乙二胺四乙酸(EDTA)作为燃剂,采用燃烧法制备了粒径为50nm左右的纯相铪酸钇粉体.粉体经1200℃煅烧后高能球磨15h,然后在200MPa条件下进行冷等静压成型,素坯尺寸为φ20mm×2.5mm,最后采用真空烧结(1850℃保温6h),制备出可见光波段直线透过率为50％的铪酸钇透明陶瓷.研究了真空烧结温度对样品透过率和显微结构的影响,当烧结温度高于1850℃时,温度对于透过率影响不是很明显;随着烧结温度的升高,样品的晶粒尺寸增大.
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