摘要
以CaO-SiO_(2)-MgO-Al_(2)O_(3)-TiO_(2)系含钛高炉渣为研究对象,分别研究TiO_(2)和MgO质量分数对含钛高炉渣结晶行为的影响。结果表明:在1500℃时没有晶体析出,渣系主要以玻璃相存在;当温度为1460、1420和1380℃时,析出的晶体主要为镁铝尖晶石相和(或)钙钛矿相;当TiO_(2)质量分数由10%增加至25%时,镁铝尖晶石相的析出温度明显降低,钙钛矿相的析出温度升高;当MgO质量分数由10%增加至14%时,镁铝尖晶石相的析出温度明显提高,钙钛矿相的析出温度没有明显改变,但钙钛矿相的析出比例增加。
This paper takes CaO-SiO_(2)-MgO-Al_(2)O_(3)-TiO_(2)in titanium-bearing blast furnace slag as the research objects,and studies the effect of TiO_(2)and MgO mass fractions on the crystallization behavior of titanium-bearing blast furnace slag.The results show that the slag mainly exists as a glass phase and no crystals precipitate at 1500℃.When the temperature is 1460,1420,and 1380℃,the precipitated crystals are mainly the Mg-Al spinel phase and/or perovskite phase.When the mass fraction of TiO_(2)increases from 10%to 25%,the precipitation temperature of the Mg-Al spinel phase decreases significantly,and the precipitation temperature of the perovskite phase increases.When the mass fraction of MgO increases from 10%to 14%,the precipitation temperature of the Mg-Al spinel phase remarkably increases,and the precipitation temperature of the perovskite phase does not change,but the precipitation proportions of the perovskite phase increases.
作者
历有为
孙长余
杨松陶
王硕
周媛媛
赵振辉
司梓均
LI Youwei;SUN Changyu;YANG Songtao;WANG Suo;ZHOU Yuanyuan;ZHAO Zhenhui;SI Zijun(School of Materials and Metallurgy,University of Science and Technology Liaoning,Anshan 114054,China)
出处
《材料研究与应用》
CAS
2023年第6期1150-1154,共5页
Materials Research and Application
基金
辽宁省大学生创新创业训练计划项目(S202310146006)
国家自然科学基金项目(52174319)。
