以Al(NO3)3·9H2O和(NH4)2CO3溶液为原料,将实验室自制的纳米镍粉加入其中,利用非均相沉淀法制备出粒径＜50nm的纳米α-Al2O3/Ni复合粉体,并用XRD、TEM等手段对纳米复合粉体进行了物相分析及形貌观察.讨论了复合粉体中镍对α-Al2O3相转变温度的影响.结果表明:纳米镍的存在可降低过渡型氧化铝向α型氧化铝转变的相变温度.
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