(Al2O3,CaO)掺杂对x(MgO)=8%-ZrO2纳米粉相组成和晶粒大小的影响
2005
用尿素水解法制备了x(MgO)=8%-ZrO2及(Al2O3,CaO)掺杂的x(MgO)=8%-ZrO2纳米粉.经XRD、TEM等分析表明:掺入Al2O3有降低(c+t)-ZrO2体积分数和细化晶粒的作用;CaO的掺入可显著提高(c+t)-ZrO2含量,当掺入x(CaO)=3%时,可得到全稳定立方相氧化锆.
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