| 云母和页岩对铁尾矿基多孔保温材料微观性能的影响 |
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| 引用本文： | 李相国,袁龙,马保国,蹇守卫,肖慧.云母和页岩对铁尾矿基多孔保温材料微观性能的影响[J].功能材料,2011,42(8). |
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| 作者姓名： | 李相国 袁龙 马保国 蹇守卫 肖慧 |
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| 作者单位： | 1. 武汉理工大学硅酸盐材料工程教育部重点实验室,湖北武汉,430070
2. 武汉理工大学硅酸盐材料工程教育部重点实验室,湖北武汉430070／西安墙体材料研究设计院,陕西西安710054 |
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| 基金项目： | 国家高技术研究发展计划(863计划)资助项目(2007AA03Z530) |
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| 摘 要： | 为了高附加值地利用铁尾矿,实验以铁尾矿、页岩和云母为基材并添加适量的长石和发泡剂,通过烧结的方法制备铁尾矿基多孔保温材料。采用TGA法分析云母和页岩掺量对粉料低共熔温度和烧成温度的影响,利用XRD、SEM研究云母和页岩比例的变化对铁尾矿基多孔保温材料矿物组成和形貌的影响。结果表明云母-页岩二元体系中云母含量的增加会降低试样的低共熔温度和烧成温度;页岩含量的增加能促使更多的石英参与反应生成斜长石,试样中斜长石的含量略有增加,石英则有所降低;试样内部含有大量分布均匀的气孔,最大孔的孔径约为2mm,在大气孔之间和内部存在许多小气孔。
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| 关 键 词： | 云母 页岩 多孔保温材料 斜长石 石英 |
Influence of mica and shale on microstructural characteristics of porous thermal insulation materials containing iron tailings |
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| LI Xiang-guo,YUAN Long,MA Bao-guo,JIAN Shou-wei,XIAO Hui.Influence of mica and shale on microstructural characteristics of porous thermal insulation materials containing iron tailings[J].Journal of Functional Materials,2011,42(8). |
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| Authors: | LI Xiang-guo YUAN Long MA Bao-guo JIAN Shou-wei XIAO Hui |
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| Affiliation: | LI Xiang-guo1,YUAN Long1,MA Bao-guo1,JIAN Shou-wei1,XIAO Hui1,2(1.Key Laboratory for Silicate Materials Science and Engineering of Ministry of Education,Wuhan University of Technology,Wuhan 430070,China,2.Xi'an Research and Design Institute of Wall & Roof Materials,Xi'an 710054,China) |
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| Abstract: | In this paper,the sintered thermal insulation materials were fabricated by using iron tailings,shale,mica,feldspar and foaming agent.In order to study microstructural characteristics of porous thermal insulation materials containing iron tailings,thermal analysis of ingredients,XRD and SEM of samples were tested.The results showed that eutectic temperature and sintered temperature of samples fell with increasing of mica contents of ingredients,plagioclase contents of samples raised and quartz contents of sa... |
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| Keywords: | mica shale porous thermal insulation material plagioclase quartz |
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