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垂直沉积干燥薄膜的剪切模量粒径依赖研究
Alternative TitleSize-dependence of shear modulus of a drying particulate film fabricated by controlled vertical drying deposition
曹鹤; 蓝鼎; 王育人
Source Publication力学与实践
2012-02-08
Volume34Issue:1Pages:27-30
ISSN1000-0879
Abstract作者前期在关于胶体颗粒粒径对干燥薄膜的初始裂纹形成影响的研究论文中报道了:对于相同厚度薄膜的初始裂纹,其裂纹间距随颗粒粒径的增大而减小.本文从这一实验现象出发,针对垂直沉积干燥薄膜的剪切模量进行了进一步的理论分析.结果表明此薄膜的剪切模量同样具有粒径依赖的特性.同时,通过与颗粒聚集体材料剪切模量的粒径依赖性的比较,我们发现二者有所差异,这表明干燥薄膜的剪切模量不仅仅由其固相部分决定,其液相部分的影响不可忽视.
Other AbstractIn our previous work,we reported that the initial crack spacing depends on the colloidal particle size.However,crack patterns must be related to the mechanical properties of the drying films,which has not been sufficiently explored.The fracture theories for drying colloidal films and the crystal fracture theory are used in this paper to study of a drying film formed by the controlled vertically drying deposition.We found that the shear modulus also depends on colloidal particle size.Further more,comparing o...
Keyword干燥薄膜 垂直沉积法 剪切模量 粒径依赖性
Subject Area物理力学
URL查看原文
Language中文
Funding Organization国家重点基础研究发展计划(2011CB710901); 中国科学院知识创新工程(KJCX2-YW-L08)资助项目
DepartmentNML空间材料物理力学
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/46427
Collection国家微重力实验室
Corresponding Author王育人
Recommended Citation
GB/T 7714
曹鹤,蓝鼎,王育人. 垂直沉积干燥薄膜的剪切模量粒径依赖研究[J]. 力学与实践,2012,34(1):27-30
APA 曹鹤,蓝鼎,&王育人.(2012).垂直沉积干燥薄膜的剪切模量粒径依赖研究.力学与实践,34(1),27-30.
MLA 曹鹤,et al."垂直沉积干燥薄膜的剪切模量粒径依赖研究".力学与实践 34.1(2012):27-30.
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