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结晶动力学和结晶热力学补充材料详解.ppt

发布:2017-04-14约小于1千字共16页下载文档
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徐军 地址:英士楼218 电话 手机Email:jun-xu@tsinghua.edu.cn ;Process of Polymer Crystallization Two steps:;Estimate the critical nucleus size;;;Thermodynamics of Crystallization: 2. Melting point of Polymer mixture;Effects of “Impurities” on Tm;Effects of “Impurities” on Tm;2. Linear Growth of Polymer Crystallization;Avrami指数n;Kinetics models of overall crystallization;Poisson’s raindrop problem If raindrops fall randomly on a pond creating expanding circular waves, what is the chance that the number of waves created by different raindrops which pass over a representative point P up to time t is exactly n?;1. Johnson-Mehl方程(I、u不随时间而变);为扩张体积,重复计算;2. I随时间而变
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