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莫来石复合纳米晶制备机理探讨

Discussion on mechanism of preparing mullite composite nanocrystallines

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【Author】 JIA Di~1,WANG Yin-ye~2,MA Yu-lian~1,GAO Fu~1(1.Tianjin Municipal Science and Technology Committee,Tianjin 300384,Chian; 2.Department of Municipal and Environmental Engineering, Institute of Urban Construction, Tianjin 300384,China)

【机构】天津市科委综合处；天津城建学院市政与环境工程系；天津城建学院市政与环境工程系天津　300384；天津　300384；天津　300384；

【摘要】煅烧处理过的高岭土经水热反应后得到纳米级莫来石复合晶体,TEM观测到其晶粒发育良好。XRD分析主晶相为莫来石。TG—DTA测试结果表明:复合纳米晶的热稳定性好。实验中还探讨了水热条件下晶粒的形成机理。更多还原

【Abstract】 The composite nanocrystalline of mullite was prepared via hydrothermal reaction of calcined kaoline. It was observed that growth of the nanocrystalline grain was good in TEM.It was analyzed that main crystal phase was mullite in XRD .TG-DTA tests showed that the heat stability of the composite nanocrystalline was good.The mechanism of forming the nanocrystalline was discussed in hydrothermal condition.更多还原

【关键词】煅烧高岭土；莫来石；复合纳米晶；
【Key words】 calcined kaoline； mullite； composite nanocrystalline；

【基金】天津高等学校科技发展基金资助(20030401)。

【文献出处】化工矿物与加工 ,Industrial Minerals and Processing , 编辑部邮箱 ,2005年03期

【分类号】TB383
【被引频次】2
【下载频次】145

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