核化和晶化温度对温石棉尾矿制备微晶玻璃的影响Effects of nucleation and crystallization temperature on preparation of glass-ceramics with chrysotile asbestos tailing
丁文金,彭同江,陈吉明
摘要(Abstract):
以温石棉尾矿、石灰石和石英砂为主要原料,通过不同的热处理过程制备了微晶玻璃。借助DTA、XRD及SEM等分析测试手段,研究了核化和晶化温度对微晶玻璃析晶行为、显微形貌及抗压强度的影响。结果表明:随着热处理温度的升高,微晶玻璃主晶相的种类没有改变,但主晶相衍射峰的强度呈现先增强后减小的趋势。当核化温度为820℃,晶化温度为1050℃时,微晶玻璃样品形成致密的柱状细晶结构,抗压强度达到最大值523 MPa。
关键词(KeyWords): 温石棉尾矿;微晶玻璃;核化温度;晶化温度
基金项目(Foundation): 固体废物处理与资源化教育部重点实验室资助项目(08zxgp04)
作者(Author): 丁文金,彭同江,陈吉明
DOI: 10.13289/j.issn.1009-6264.2012.05.007
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