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Technical Brief

One-Dimensional Constrained Blister Test to Measure Thin Film Adhesion

[+] Author and Article Information
Tingting Zhu

Mechanical and Industrial Engineering, Northeastern University, Boston, MA, 02115
zhu.tin@husky.neu.edu

Sinan Muftu

Mechanical and Industrial Engineering, Northeastern University, Boston, MA, 02115
s.muftu@neu.edu

Kai-tak Wan

Mechanical and Industrial Engineering, Northeastern University, Boston, MA, 02115
ktwan@coe.neu.edu

1Corresponding author.

ASME doi:10.1115/1.4039171 History: Received December 18, 2017; Revised January 29, 2018

Abstract

A rectangular film is clamped at the opposite ends before being inflated into a blister by an external pressure, p. The bulging film adheres to a constraining plate with distance, w0, above. Increasing pressure expands the contact area of length, 2c. Depressurization shrinks the contact area and ultimate detaches the film. The relation of ( p, w0, c ) is established for a fixed interfacial adhesion energy.

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