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Experimental study of evaporation of sessile water droplet on PDMS surfaces
Yu YS(余迎松); Wang ZQ(王子千); Zhao YP(赵亚溥); Zhao, YP (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China.
Source PublicationACTA MECHANICA SINICA
2013-12-25
Volume29Issue:6Pages:799-805
ISSN0567-7718
AbstractEvaporation of sessile water droplet on polydimethylsiloxane (PDMS) surfaces with three different curing ratios (5:1, 10:1, and 20:1) was experimentally investigated in this paper. We show that the constant contact radius (CCR) evaporation on surface with high curing ratio lasts longer than that with low curing ratio. We also measured Young's moduli of PDMS films by using atomic force microscopy (AFM) and simulated surface deformation of PDMS films induced by sessile water droplet. With increasing curing ratio of PDMS film, Young's modulus of PDMS film is getting lower, and then there will be larger surface deformation and more elastic stored energy. Since such energy acts as a barrier to keep the three-phase contact line pinned, thus it will result in longer CCR evaporation on PDMS surface with higher curing ratio.
KeywordDroplet Evaporation Pdms Constant Contact Radius Mode Constant Contact Angle Mode Force-displacement Curve Surface Deformation Liquid-vapor Interfacial Tension
Subject Area物理力学
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Indexed BySCI ; EI ; CSCD
Language英语
WOS IDWOS:000328853100005
Funding OrganizationNational Natural Science Foundation of China [11002051, 11072244, 11372313]; Key Research Program of the Chinese Academy of Sciences [KJZD-EW-M01]; Instrument Developing Project of the Chinese Academy of Sciences [Y2010031]
DepartmentLNM纳/微系统力学与物理力学
Classification二类
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Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/47604
Collection非线性力学国家重点实验室
Corresponding AuthorZhao, YP (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Yu YS,Wang ZQ,Zhao YP,et al. Experimental study of evaporation of sessile water droplet on PDMS surfaces[J]. ACTA MECHANICA SINICA,2013,29(6):799-805.
APA Yu YS,Wang ZQ,Zhao YP,&Zhao, YP .(2013).Experimental study of evaporation of sessile water droplet on PDMS surfaces.ACTA MECHANICA SINICA,29(6),799-805.
MLA Yu YS,et al."Experimental study of evaporation of sessile water droplet on PDMS surfaces".ACTA MECHANICA SINICA 29.6(2013):799-805.
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