利用冷压-烧结技术制备BaO掺杂的10NiO-NiFe2O4复合陶瓷,研究BaO掺杂量及烧结温度对10NiO-NiFe2O4复合陶瓷物相组成、显微结构及致密度的影响.结果表明:当BaO掺杂量(质量分数)为0~4%时,烧结样品中主要含NiO和NiFe2O4,BaO与10NiO-NiFe2O4陶瓷组分反应并形成瞬时液相BaFe2O4和Ba2Fe2O5,且Ba2+固溶到基体中,促进致密化烧结,降低了烧结致密化温度;1 250℃烧结时,1%BaO掺杂样品的相对密度最大,达到98.90%,比未掺杂样品的相对密度提高6.27%;但当BaO掺杂量为2%和4%时,陶瓷样品相对密度基本不变.
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