کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
9675748 | 1454106 | 2005 | 11 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Magnetic soap films and magnetic soap foams
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
شیمی کلوئیدی و سطحی
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Magnetic soap films and magnetic soap foams Magnetic soap films and magnetic soap foams](/preview/png/9675748.png)
چکیده انگلیسی
We investigate the physical properties of soap films and soap foams, the liquid phase of which contains a stable colloidal suspension of magnetic particles. The physical properties of such systems result from the equilibrium between the capillary forces, the gravity and the local magnetic forces. Therefore, they depend on the strength of an applied magnetic field or force, which makes it possible to act from outside on the system. We present the effect of the external field on the magnetic soap foams and films through two studies. First, we show that the dynamics of drainage in a freely suspended magnetic soap film is modified by an external magnetic field. Second, we present the control, via an external magnetic force, of the structure adopted by a monodisperse foam in a cylindrical tube. Those studies open possible applications of the ferrofluid foam, in the field of technological applications, but also as a model experimental system to study the drainage, the dynamical rheology, and the stability of soap foams.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Colloids and Surfaces A: Physicochemical and Engineering Aspects - Volume 263, Issues 1â3, 1 August 2005, Pages 65-75
Journal: Colloids and Surfaces A: Physicochemical and Engineering Aspects - Volume 263, Issues 1â3, 1 August 2005, Pages 65-75
نویسندگان
Florence Elias, Jean-Claude Bacri, Cyrille Flament, Eric Janiaud, Delphine Talbot, Wiebke Drenckhan, Stefan Hutzler, Denis Weaire,