矾土基β-SiAlON对Al2O3-MgO浇注料性能的影响

耐火与石灰 ›› 2016, Vol. 41 ›› Issue (6): 1-4.

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矾土基β-SiAlON对Al2O3-MgO浇注料性能的影响

张艳利1）贾全利2）叶方保2）

1.中钢集团洛阳耐火材料研究院有限公司，洛阳471039； 2.郑州大学高温材料研究所，郑州450052

出版日期:2016-12-10 发布日期:2016-12-10

Effects of bauxite based β-SiAlON on performances of Al2O3-MgO castables

Zhang Yanli1）Jia Quanli2）Ye Fangbao2）

1.Sinosteel Luoyang Institute of Refractories Research Co.,Ltd., Luoyang 471039, China; 2.High Temperature Ceramics Institute of Zhengzhou University, Zhengzhou 450052, China

Online:2016-12-10 Published:2016-12-10

摘要/Abstract

摘要：

为了解新型原料矾土基β-SiAlON的使用性能，从而将其应用于实际，研究了矾土基β-SiAlON对MgO-SiO2-H2O结合的Al2O3-MgO浇注料常规物理性能、高温抗折强度、抗热震性以及抗渣侵蚀性的影响。结果表明,加入矾土基β-SiAlON细粉对1 550℃ 、3h烧后试样的常规物理性能略有负面影响，对试样在1 400℃埋炭条件下的高温抗折强度影响不大，抗热震性有所改善。随β-SiAlON加入量的增加，试样的残余强度保持率增加（从16.27%增加到30.82%），但抗渣侵蚀性明显变差。

Abstract:

In order to understand the operational performances of bauxite based β-SiAlON new type raw material for practical application in the future,this paper studies the effects of bauxite based β-SiAlON on conventional physical properties,hot modulus of rupture,thermal shock resistance and slag corrosion resistance of MgO-SiO2-H2O combined Al2O3-MgO castables.The results showed that bauxite based β-SiAlON fines have minor negative effect on physical properties of the samples which were sintered at 1 550℃ for 3 hours and have little effect on hot modulus of rupture of the samples which were embedded carbon at 1 400℃,and improve the thermal shock resistance.Residual strength retention rate increased from 16.27% to 30.82% and slag corrosion resistance decreased obviously with the increase of β-SiAlON addition.

中图分类号:

TQ175.732

张艳利）贾全利）叶方保）. 矾土基β-SiAlON对Al2O3-MgO浇注料性能的影响[J]. 耐火与石灰, 2016, 41(6): 1-4.

Zhang Yanli）Jia Quanli）Ye Fangbao）. Effects of bauxite based β-SiAlON on performances of Al2O3-MgO castables[J]. REFRACTORIES & LIME, 2016, 41(6): 1-4.

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矾土基β-SiAlON对Al2O3-MgO浇注料性能的影响

Effects of bauxite based β-SiAlON on performances of Al2O3-MgO castables

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