Pr2O3 对辉石系玻璃陶瓷晶体结构的影响

陈 华, 胡 浩亮, 刘 俊旺, 张 晨阳, 邓 磊波
内蒙古科技大学理学院

摘要

本文选取白云鄂博尾矿玻璃陶瓷为研究对象，通过添加0~8 w/%（质量分数）的Pr2O3 ，研究Pr2O3对白云鄂博尾矿玻璃陶瓷晶体结构的影响。结果表明：添加1.06 w/%的Pr2O3能提高玻璃陶瓷中辉石相的晶体含量，随着Pr2O3添加量的增加，辉石相的晶体衍射峰位明显向低角度方向偏移，同时玻璃陶瓷中析出镨氧基磷灰石第二相。

关键词

玻璃陶瓷；Pr2O3；晶体结构；辉石

参考

[1]L.Deng,R.Jia,F.Yun,X.Zhang,H.Li, M. Zhang,X.Jia,D.Ren,B.Li,Influence of Cr2O3 on the viscosity and crystallization behavior of glass ceramics based on blastfurnace slag, MATER CHEM PHYS, 240 (2020) 122212.

[2]Z.Lu,J.Lu,X.Li,G.Shao, Effect of MgO addition onsinterability,crystallization kinetics,and flexural

strength of glass ceramics from waste materials, CERAMINT,42(2016)3452-3459.

[3]H.Chen,B.Li,M.Zhao,X.Zhang,Y.Du,Y.Shi,J.S. McCloy,Lanthanum modification of crystalline phases and residual glass in augite glass ceramics produced with

industrial solid wastes, J NON-CRYST SOLIDS, 524 (2019)119638.

[4]D.S.Patil,M.Konale,M.Gabel,O.K.Neill,J.V.Crum, A.Goel,M.C.Stennett,N.C.Hyatt,J.S. McCloy,Impact of rareearth ion size on the phase evolution of MoO3-containing

aluminoborosilicate glass-ceramics,JNUCL MATER, 510 (2018)539-550.

[5]M.Nespolo,M.I.Aroyo,The modular structure ofpyroxenes,EUR J MINERAL, 28 (2016) 189-203.

[6]F.J.Torres,J.Alarcón,Pyroxene-based glass-ceramics as glazes for floor tiles, JEUR CERAM SOC,25 (2005)349-355.