2024 Capillary instabilities in thin films

Capillary instabilities in thin films

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WebAug 10, 2005 · Capillary instabilities in thin, solid films August 2005 Authors: Eva Jiran Eva Jiran This person is not on ResearchGate, or hasn't claimed this research yet. …

Capillary instabilities in solid thin films: Lines - AIP …

WebMar 13, 2024 · The linear and nonlinear dynamics of an interface separating a thin liquid film and a hydrodynamically passive ambient medium, subject to normal electrostatic forcing, are investigated. A reduced-order model is developed for the case where both fluids are taken to be leaky dielectrics (LD). WebMar 30, 2006 · Such structures are most difficult to produce in a simple manner without the use of multiple fabrication steps. Here, we show the generation of 3-D cage-type structures using a combination of electrohydrodynamic instabilities and dewetting in a polymer/polymer/air trilayer. peerless windows phone number

Capillary instabilities in thin films. II. Kinetics - NASA/ADS

WebThe resultant flow of a thin film of fluid is described using lubrication theory when gravity and viscous forces govern the dynamics. We show that the thickness of the flow remains uniform in space and decreases in time like t−1/2 near the … WebSep 7, 2024 · The linear instability of an annular liquid jet with a radial temperature gradient in an inviscid gas steam is investigated theoretically. A physical model of an annular liquid jet with a radial temperature gradient is established, dimensionless governing equations and boundary conditions are given, and numerical solutions are obtained using the spectral … WebJan 1, 1993 · The U.S. Department of Energy's Office of Scientific and Technical Information peerless windows iola ks

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Novel 3-D Structures in Polymer Films by Coupling External and …

WebNov 28, 2003 · Thermocapillary effects can dominate the dynamics in the containerless processing of crystals, the behavior of weld pools, the rupture of thin films, the movement of contact lines, and the... WebWe consider the kinetic evolution of perturbations to thin films. Since all small (nonsubstrate intersecting) perturbations to the film surface decay, we consider the … meat factory huntingdonWebJul 17, 2009 · When DC electric fields are applied to a thin liquid film, the interface may become unstable and form a series of pillars. In this paper, we apply lubrication theory to examine the possibility of using AC electric fields to exert further control over the size and shape of the pillars. meat factory image

"WebOct 6, 2024 · Long (~1 mm), narrow (30−40 μm in diameter) corrugated capillary-like channels were produced in the axially symmetric 2D interaction regime of 100 ns KrF laser pulses with polymethylmethacrylate (PMMA) at intensities of up to 5 × 1012 W/cm2. The channels extended from the top of a deep (~1 mm) conical ablative crater and terminated … " - Capillary instabilities in thin films

Capillary instabilities in thin films

Capillary instabilities in thin, solid films - ResearchGate

WebMar 24, 2016 · Dewetting is a well-known degradation mechanism for thin films at elevated temperatures. It is driven by surface energy minimization and occurs while the film is solid. The dewetting process is characterized by the formation of holes, retracting edges, and the formation of thickened rims on retracting edges. In anisotropicsingle-crystal thin films, … WebDOI: 10.1016/0956-7151(92)90037-F Corpus ID: 95599303; Capillary instabilities in thin films: A model of thermal pitting at grain boundary vertices @article{Gnin1992CapillaryII, title={Capillary instabilities in thin films: A model of thermal pitting at grain boundary vertices}, author={François Y. G{\'e}nin and W. W. Mullins and Paul Wynblatt}, …

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WebWe use the Rayleigh–Plateau capillary instability as vehicle to introduce the theoretical approach referred to as linear instability analysis. This method aims to unravel the link between the growth of disturbances in … WebIt is argued that the presence of an acoustic disjoining pressure is necessary to adequately describe some of these experimental results on the dewetting of thin polymer films. Abstract.The spontaneous break-up of thin films is commonly attributed to the destabilizing effect of van der Waals forces. Dispersion forces can be considered in terms of the …

WebApr 15, 2024 · In this study, we unravel a novel instability in the spreading of multi-component droplets containing high molecular weight polymer and surfactant on a thin soap film. When a droplet is deposited on a soap film, depending on its surface tension, it can spread and form a new film in the center of the soap film [19]. WebJan 1, 2011 · Thin homopolymer liquid films may exist in a morphologically unstable or metastable state. The morphological stability is determined by the nature of long-and …

WebOct 17, 2024 · This paper studies boundary and interior layer phenomena exhibited by solutions of certain singularly perturbed third-order boundary value problems which govern the motion of thin liquid films... WebJan 9, 2006 · Evaporation is a complicated fluid phenomenon involving the combined effects of several physical mechanisms including capillary- and gravity-induced interface instabilities, buoyancy, and thermocapillary flows, and vapor recoil deformation of the vapor-liquid interface. The combined effect of all these mechanisms leads to a …

WebA stability theory is presented which describes the conditions under which thin films rupture. It is found that holes in the film will either grow or shrink, depending on whether their initial radius is larger or smaller than a critical value.

WebFeb 10, 1992 · Herein, we study the crystallization of undoped and nitrogen doped amorphous GeTe thin films (slightly rich in Ge) obtained by sputtering using substrate … peerless windows reviewsWebCapillary Instabilities in Thin, Polycrystalline Films - Volume 47 Skip to main content Accessibility help We use cookies to distinguish you from other users and to provide you … peerless windows.comWebFeb 22, 2011 · Capillary Instabilities in Thin, Polycrystalline Films David J. Srolovitz & S. A. Safran MRS Online Proceedings Library 47 , 53–60 ( 1985) Cite this article 5 Citations … meat factory hygieneWebAll unstable perturbations are of the varicose (sausage) type. The presence of the substrate is stabilizing; the range of unstable wavelengths is always less than that of a freely … peerless winsmithWebFeb 22, 2011 · Thin films can break up into islands only if they are perturbed by substrate-intersecting perturbations. Grain boundary grooves and vertex pits are typical defects which nucleate holes in these films. meat factory gentWebCapillary instabilities in thin films Journal of Electronic Materials. 19: 1153-1160. DOI: 10.1007/Bf02673327 : 0.418: 1989: Ma E, Clevenger L, Thompson C, DeAvillez R, Tu K. Structural Transitions in Titanium/Amorphous-Silicon Multilayers Mrs Proceedings. 163. DOI: 10.1557/Proc-163-961 : meat factory in australiaWebVery thin films, less than 100 nm-thick, are used in a variety of applications, including as catalysts and for thin film reactions to form patterned silicides in electronic devices. … peerless winsmith port