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Effect of Salt Concentration on the Pattern Formation of Colloidal Suspension
Ma WJ(马文杰); Wang YR(王育人); Ma WJ(马文杰)
Source PublicationPhysics Procedia
2012
Pages122-126
Conference Name2012 International Conference on Applied Physics and Industrial Engineering
Conference DateMAR 01-02, 2012
Conference PlaceWuhan, PEOPLES R CHINA
AbstractWe study the effect of salt concentration on the drying process and pattern of thin liquid layer colloidal suspension. Panasonic camera is used to capture the drying process and macroscopic pattern. Microscopic patterns are analyzed by optical microscopy. It is shown that broad-ring pattern is avoided by adding little amount of sodium chloide into colloidal suspension. with the increase of salt concentraion, convection strength and interface instability are weakened, thus the edge of film becomes smooth and more homogeneous film forms. Beautiful microscopic patterns demonstrate that the cooperative interaction between sodium chloide and silica spheres has important influence on the pattern formation.
KeywordColloidal Suspension Interface Instability Cooperative Interaction
DepartmentNML空间材料物理力学
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Indexed BySCI
Language英语
Document Type会议论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/48261
Collection国家微重力实验室
Corresponding AuthorMa WJ(马文杰)
Recommended Citation
GB/T 7714
Ma WJ,Wang YR,Ma WJ. Effect of Salt Concentration on the Pattern Formation of Colloidal Suspension[C]Physics Procedia,2012:122-126.
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