MgO对黄磷炉渣微晶玻璃析晶影响  

Effect of MgO on Crystallization of Yellow Phosphorus Slag Glass-ceramics

作　　者：刘秀状 黄小凤[1] 马丽萍[1] 尚志标 赵丹[1] 范莹莹[2] 刘红盼 LIU Xiu-zhuang;HUANG Xiao-feng;MA Li-ping;SHANG Zhi-biao;ZHAO Dan;FAN Ying-ying;LIU Hong-pan(Faculty of Environmental Science and Engineering,Kunming University of Science and Technology,Kunming 650500,China;Faculty of Science,Kunming University of Science and Technology,Kunming 650504,China;College of Materials and Chemical Engineering,Chongqing University of Arts and Sciences,Chongqing 402160,China)

机构地区：[1]昆明理工大学环境科学与工程学院,昆明650500 [2]昆明理工大学理学院,昆明650504 [3]重庆文理学院材料与化工学院,重庆402160

出　　处：《硅酸盐通报》2018年第8期2606-2609,2615,共5页Bulletin of the Chinese Ceramic Society

基　　金：昆明理工大学分析测试基金(2017M20152207032;2017M20162107015)

摘　　要：以黄磷炉渣为基础原料,通过加入辅料和MgO,以熔融法制备CaO-Al2O3-SiO_2(CAS)系微晶玻璃;通过差热分析(DTA)、X射线衍射(XRD)和扫描电子显微镜(SEM)等分析方法分析MgO对黄磷炉渣微晶玻璃晶化行为的影响。结果显示:随着加入MgO的量的增加,基础玻璃的核化温度和晶化温度下降,析晶活化能E减小;黄磷炉渣微晶玻璃的晶相类型并未因MgO添加量的增多而改变,其主晶相为硅灰石(CaSiO_3),次晶相为铝透辉石(Ca(MgAl)(SiAl)_2O_6);但随着MgO添加量的增多,抑制了硅灰石(CaSiO_3)晶相的生成,促进铝透辉石(Ca(MgAl)(SiAl)_2O_6)生成。Ca0-Al20 3-Si02(CAS)glass-ceramics were prepared by melt method by adding yellow phosphorus slag as raw material and adding excipients and MgO.The effects of MgO on the crystallization behavior of yellow phosphorus slag glass-ceramics were analyzed by differential thermal analysis(DTA),X-ray diffraction(XRD)and scanning electron microscopy(SEM).The results show that with the increase of the amount of MgO,the nucleation temperature and crystallization temperature of the base glass decrease and the crystallization activation energy E decreases.The amount of MgO increased does not change the crystal types of yellow phosphorus slag glass-ceramics,and the main phase is wollastonite(CaSi03)and the secondary crystal phase is aluminian diopside(Ca(MgAl)(SiAl)2O6).However,with the increase of the amount of MgO,the formation of the crystalline phase of wollastonite(CaSi03)is inhibited,and the formation of the crystalline phase of aluminian diopside(Ca(MgAl)(SiAl)2O6)is promoted.

关 键 词：黄磷炉渣 MGO 微晶玻璃 

分 类 号：TU171.1[建筑科学—建筑理论]