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Cavitation in adhesives

Chikina1, Gay

  • 1Laboratoire CNRS-ATOFINA (UMR 167), 95, rue Danton, B.P. 108, 92303 Levallois-Perret cedex, France.

Physical Review Letters
|November 18, 2000
PubMed
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Bubbles in adhesive films enable significant deformation and energy dissipation during separation. This model predicts bubble formation based on separation speed and film weaknesses, aligning with experimental observations.

Area of Science:

  • Materials Science
  • Adhesion Science
  • Fracture Mechanics

Background:

  • Bubbles in adhesive films play a crucial role in energy dissipation during separation.
  • Recent studies indicate that these bubbles form in the initial stages of the separation process.
  • Understanding bubble dynamics is key to optimizing adhesive performance.

Purpose of the Study:

  • To develop a model describing early-stage deformations induced by bubbles in adhesive films.
  • To predict the number of bubbles that appear during separation.
  • To investigate the influence of separation velocity and film weak points on bubble formation.

Main Methods:

  • Development of a theoretical model for early-stage bubble-induced deformations.
  • Inclusion of parameters such as separation velocity and the number of weak points in the film.

Related Experiment Videos

  • Comparison of model predictions with recent experimental observations.

    • Main Results:

    • The model successfully describes the early deformations caused by bubbles in adhesive films.
    • The model predicts the number of bubbles based on separation velocity and film weak points.
    • The model's predictions show agreement with existing experimental data.

    Conclusions:

    • Bubble formation is a critical factor in adhesive film separation and energy dissipation.
    • The developed model provides a quantitative understanding of bubble nucleation.
    • The model's predictive capability can aid in the design and application of adhesives.