| 1. | The nanometer powder had lower sintering temperature than oxide powder because of its high surface activation and the difficulty of sintering fine material because of gas transport process predominating the sinter process 纳米粉体具有高表面活性,能在更低温度下实现烧结,但同样是因为高表面活性,使锂挥发现象加剧,气相传质在烧结过程中占主导地位,难以烧结出致密材料。 |