Stress and strain during supercritical drying

被引：0
|
作者：
George W. Scherer
机构：
[1] Princeton University,Department Civil & Env. Eng./PRISM
来源：
Journal of Sol-Gel Science and Technology | 2019年 / 90卷
关键词：
Supercritical drying; Aerogel; Stress; Strain; Permeability;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Poromechanics quantifies supercritical drying stresses during solvent exchange, pressurization and heating, and depressurization.Supercritical drying duration is minimized by accounting for the pressure dependence of permeability, viscosity and compressibility.By monitoring strain of the aerogel during depressurization, permeability can be measured as a function of pressure.The permeability of gels is found from their response to small loads or changes in temperature.
引用
收藏
页码：8 / 19
页数：11
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