Fe_2O_3对CaO-MgO-A1_2O_3-SiO_2玻璃非等温析晶的影响（英文）
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摘要
采用差示扫描量热法(DSC)研究Fe_2O_3含量在0~5%范围内的CaO-MgO-Al_20_3-SiO_2(CMAS)玻璃的析晶行为及动力学。采用傅里叶红外光谱分析(FT-IR)和X射线衍射分析(XRD)研究其物相结构。结果表明:吸热峰温度760℃为转变温度,放热峰温度1000℃为析晶温度。随着Fe_2O_3含量的增加,析晶温度降低,析晶机理从二维析晶转变为一维生长,透辉石的衍射峰强度增强。由于Fe_2O_3的分解,Fe_2O_3含量为0.5%时析晶温度发生突变。Fe_2O_3-CaO-MgO-Al_2O_3-SiO_2玻璃中发现Si-O-Si,O-Si-O及T-O-T(T=Si,Fe,Al)的联接结构。
The crystallization behavior and kinetics of CaO-MgO-Al_2O_3 SiO_2(CMAS) glass with the Fe_2O_3 content ranging from zero to 5%were investigated by differential scanning calorimetry(DSC).The structure and phase analyses were made by Fourier transform infrared spectroscopy(FT-IR) and X-ray diffraction(XRD).The experiment results show that the endothermic peak temperature about 760℃ is associated with transition and the exothermic peak temperature about 1000℃ is associated with crystallization.The crystallization peak temperature decreases with increasing the Fe203 content.The crystallization mechanism is changed from two-dimensional crystallization to one-dimensional growth,and the intensity of diopside peaks becomes stronger gradually.There is a saltation for the crystallization temperature with the addition of 0.5%Fe_2O_3 due to the decomposition of Fe_2O_3.Si-O-Si,O-Si-O and T-O-T(T=Si,Fe,Al) linkages are observed in Fe_2O_3-CaO-MgO-Al_2O_3-SiO_2 glass.
The crystallization behavior and kinetics of CaO-MgO-Al_2O_3 SiO_2(CMAS) glass with the Fe_2O_3 content ranging from zero to 5%were investigated by differential scanning calorimetry(DSC).The structure and phase analyses were made by Fourier transform infrared spectroscopy(FT-IR) and X-ray diffraction(XRD).The experiment results show that the endothermic peak temperature about 760℃ is associated with transition and the exothermic peak temperature about 1000℃ is associated with crystallization.The crystallization peak temperature decreases with increasing the Fe203 content.The crystallization mechanism is changed from two-dimensional crystallization to one-dimensional growth,and the intensity of diopside peaks becomes stronger gradually.There is a saltation for the crystallization temperature with the addition of 0.5%Fe_2O_3 due to the decomposition of Fe_2O_3.Si-O-Si,O-Si-O and T-O-T(T=Si,Fe,Al) linkages are observed in Fe_2O_3-CaO-MgO-Al_2O_3-SiO_2 glass.
引文
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[2]McMILLAN P W.Glass-ceramics[M].2nd ed.London:Academic Press,1979:231-263.
[3]EROL M,KUCUKBAYRAK S,MERCBOYU AE,OVECOGLU M L.Crystallization behavior of glasses produced from fly ash[J].Journal of the European Ceramic Society,2001,21:2835-2841.
[4]YILMAZ S,BAYRAK G,SEN S,SEN U.Structural characterization of basalt-based glass-ceramic coating[J].Materials and Design,2006,27:1092-1096.
[5]REZVANI M,EFTERKHARI-YEKTA B,SOLATI-HASHJIN M,MARGHUSSIAN V K.Effect of Cr2O3,Fe2O_3 and TiO2 nucleants on the crystallization behavior of SiO_2-Al2O3-CaO-MgO(R2O)glass-ceramics[J].Ceramics International,2005,31:75-80.
[6]DUAN Ren-guan,LIANG Kai-ming,GU Shou-ren.Effect of changing TiO2 content on structure and crystallization of CaO-Al_2O_3-SiO_2 glass system[J].Journal of the European Ceramic Society,1998,18:1729-1735.
[7]MA J,CHEN C Z,WANG D G,SHAO X,WANG C Z,ZHANG H M.Effect of MgO addition on the crystallization and in vitro bioactivity of glass ceramics in the CaO-MgO-SiO2-P_2O_5 system[J].Ceramics International,2012,38:6677-6684.
[8]LI Bao-wei,DU Yong-sheng,ZHANG Xue-feng,JIA Xiao-lin,ZHAO Ming,CHEN Hua.Effects of iron oxide on the crystallization kinetics of baiyunebo tailing glass-ceramics[J].Transactions of the Indian Ceramic Society,2013,2:119-123.
[9]ALIZADEH P,YEKTA B E,GERVEI A.Effect of Fe_2O_3 addition on the sinterability and machinability of glass-ceramics in the system MgO-CaO-SiO_2-P_2O_5[J].Journal of the European Ceramic Society,2004,24:3529-3533.
[10]ROMERO M,RINCON J M,ACOSTA A.Effect of iron oxide content on the crystallization of a diopside glass-ceramic glaze[J].Journal of the European Ceramic Society,2002,22:883-890.
[11]KARAMANOV A,PISCIELLA P,CANTALINI C,PELINO M.Influence of Fe3+/Fe2+ratio on the crystallization of iron-rich glasses made with industrial wastes[J],Journal of the American Ceramic Society,2000,83:3153-3157.
[12]WANG Shu-ming,KUANG Feng-hua,YAN Qing-zhi,GE Chang-chun,of Long-hao.Crystallization and infrared radiation properties of iron ion doped cordierite glass-ceramics[J].Journal of Alloys and Compounds,2011,509:2819-2823.
[13]YANG Zhi-jie,LI Yu,CANG Da-qiang,DIAO Mei-ling,GUO Wen-bo.The influence of Fe2+and Fe3+on crystallization of CaO-Al_2O_3-SiO_2-MgO system glass-ceramic[J].Materials Science and Technology,2012,20:45-50.(in Chinese)
[14]KARAMANOV A,PISCIELLA P,PELINO M.The crystallisation kinetics of iron rich glass in different atmospheres[J].Journal of the European Ceramic Society,2000,20:2233-2237.
[15]SALAMA S N,SALMAN S M,DARWISH H.The effect of nucleating catalysts on crystallization characteristics of aluminosilicate glasses[J].Ceramics Silikaty,2002,46(1):15-23.
[16]ZHANG Lian-meng,HUANG Xue-hui,SONG Xiao-feng.Fundamentals of materials science[M].Wuhan:Wuhan University of Technology Press,2009.(in Chinese)
[17]ATALAY S,ADIGUZEL H I,ATALAY F.Infrared absorption study of Fe_2O_3-CaO-SiO_2 glass ceramics[J].Materials Science and Engineering A,2001,304-306:796-799.
[18]ELBATAL F H,MOENIS A A,YOUSRY M H.Preparation and characterization of some multicomponent silicate glasses and their glass-ceramics derivatives for dental applications[J].Ceramics International,2009,35:1211-1218.
[19]REDDY A A,GOELA A,TULYAGANOV D U,KAPOOR S,PRADEESH K,PASCUAL M J.Study of calcium-magnesiumaluminum-silicate(CMAS)glass and glass-ceramic sealant for solid oxide fuel cells[J].Journal of Power Sources,2013,231:203-212.
[20]MARQUES V M F,TULYAGANOV D U,AGATHOPOULOS S,FERRIRA J M F.Low termperature production of glass ceramics in the anorthite-diopside system via sintering and crystallization of glass powder compacts[J].Ceramics International,2008,27:661-668.