Local bending moment as a measure of adhesion: the blister test

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作者：

Inst fur Polymere, Zurich, Switzerland ^{[1
]}

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来源：

J Adhes | / 1-4卷 / 45-57期

关键词：

Adhesive joints - Bending (deformation) - Delamination - Elasticity - Energy dissipation - Fracture testing - Geometry - Interfacial energy - Materials testing - Plastic films - Scanning - Viscoelasticity;

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摘要：

We propose to characterize joints between materials by the maximum bending moment, Mmax, borne just prior to delamination. We suggest to evaluate Mmax in the blister test geometry through direct measurement of the blister curvature in the vicinity of the separation line and employ a scanning capacitance microscope for the blister profiling. The methodology and apparatus were tested on measurements of adhesion of two commercial polymer films to Plexiglas and Teflon.

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