| MgO－Al_2O_3－ZrO_2质耐火材料的显微结构分析 |
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| 引用本文： | 孙加林,洪彦若,窦叔菊.MgO－Al_2O_3－ZrO_2质耐火材料的显微结构分析[J].耐火材料,1996(5). |
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| 作者姓名： | 孙加林 洪彦若 窦叔菊 |
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| 作者单位： | 北京科技大学理化系，鞍山钢铁学院化工系 |
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| 摘 要： | 在方镁石－尖晶石－ＺｒＯ２－硅酸盐相结构中，发现由于ＺｒＯ２的存在，可提高主晶相方镁石与尖晶石的结构完整性。同时ＺｒＯ２又吸收并富集了大量的ＣａＯ成分，形成ＣａＺｒＯ３布于晶间，阻断硅酸盐相的扩散路径，封闭气孔．并有形成原位生长的含有ＣａＯ·ＺｒＯ２高粘弹基质相的趋势，在遇渣侵蚀时这种现象更为明显。
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| 关 键 词： | 尖晶石，显微结构，锆酸钙 |
Analysis on the microstructure or MgO-Al_2O_3-ZrO_2 refractories |
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| /Sun Jialin, Hong Yanro, Dou Shuju/.Analysis on the microstructure or MgO-Al_2O_3-ZrO_2 refractories[J].Refractories,1996(5). |
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| Authors: | /Sun Jialin Hong Yanro Dou Shuju/ |
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| Affiliation: | /Sun Jialin; Hong Yanro; Dou Shuju/ |
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| Abstract: | In the structure of periclase- spinel-zirconia-silicate phase, it is discovered that perfect microstructure of the chief periclase and spinel phase are increased by the existing of ZrO2 phase. Moreover, the amount of CaO was absorbed and concentrated by ZrO2. CaZrO3 is formed and exists between the grains. The diffusivity way of silicate phase is resisted and the pores were closed. It tends to form high viscosity elastic host materials including CaO. ZrO2 which was formed in the original place. This is more particular when slag corrosion appears. |
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| Keywords: | Spinel Microstructure Zirconic calcium High viscosity elastic host |
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