摘要：研究Cr₂O₃添加剂对氧化钙陶瓷烧结性能的影响。结果表明:Cr₂O₃能促进氧化钙陶瓷烧结密度和抗水化性能的提高,并且随着添加剂含量的增加,陶瓷抗水化性能不断提高;提高烧结温度,能提高陶瓷密度和抗水化性能;在烧结过程中,生成的CaCr₂O₄为液相,连结CaO晶粒,促进陶瓷烧结,增大了陶瓷的烧结密度,CaCr₂O₄包裹在CaO晶粒表面,能大幅度提高陶瓷抗水化性能。

关键词： 氧化钙陶瓷;烧结;抗水化性

Abstract：The influence of Cr₂O₃ additives on sintering process of CaO ceramics was studied. The results showed that Cr₂O₃ could improve the density and the hydration resistance performance of CaO ceramics. The hydration resistance performance increased with the content of Cr₂O₃. The density and hydration resistance performance of CaO ceramic increased when the sintering temperature increased. During the sintering， the new phase CaCr₂O₄ linked the CaO crystal grains and promoted sintering， and improved the density of ceramics. The CaO crystal grains were wrapped by CaCr₂O₄， which improved the hydration resistance performance of CaO ceramics further. 

Keywords： CaO ceramics； sintering； hydration resistance