J. Phys. II France
Volume 7, Numéro 9, September 1997
Page(s) 1215 - 1224
DOI: 10.1051/jp2:1997182
J. Phys. II France 7 (1997) 1215-1224

Time Evolution of the Elastic Properties of Aqueous Foam

Hussein Hoballah, Reinhard Höhler and Sylvie Cohen-Addad

Laboratoire de Physique des Matériaux Divisés, Université de Marne-la-Vallée, 2 rue de la Butte Verte, 93166 Noisy-le-Grand Cedex, France

(Received 28 March 1997, received in final form 14 May 1997, accepted 27 May 1997)

We have measured the shear modulus of three-dimensional aqueous foam under a small oscillating stress. The foam structure has also been characterized by measurements of the optical transmission. Each of these physical properties depends on a characteristic length, related to the bubble size distribution. We have shown that both lengths follow the same evolution as a function of foam age. They grow according to a parabolic law, in agreement with theoretical predictions.

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