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浮法玻璃表面渗锡过程的数值模拟 被引量:3

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摘要 通过分析浮法玻璃渗锡机理,综合考虑玻璃内部氧活度及锡的氧化还原反应,建立了亚锡离子氧化模型计算亚锡离子转化为锡离子的速率,为两种离子浓度分布的独立预测及渗锡机理的数值方法验证提供了条件.在此基础上,建立了扩散过程的耦合数值模拟方法,同步模拟了两种离子的渗透过程.结果表明:高铁含量玻璃在锡槽的还原性气氛中,氧活度剧变处发生了锡离子的积聚,渗锡分布出现卫星峰,而低铁含量玻璃无该现象.与徐冷法相比,锡槽内采用加热重热温度制度,渗锡量、渗锡深度更高,卫星峰向深度方向迁移.为了控制渗锡量,应减少玻璃在高温区停留时间.
出处 《中国科学:技术科学》 EI CSCD 北大核心 2011年第5期557-563,共7页 Scientia Sinica(Technologica)
基金 国家十一五科技支撑计划(批准号:2006BAF02A27) 国家重点基础研究发展(“973”计划)(批准号:2007CB206901)资助项目
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参考文献23

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二级参考文献15

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