View Journal Article: Combinatorial Investigations of Interfacial Failure
Citation:
Crosby, Alfred and Karim, Alamgir (2003). Combinatorial Investigations of Interfacial Failure. Journal of Polymer Science: Part B: Polymer Physics 41 (9). 883-891.
Collection:
Polymer Publications
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Title
Combinatorial Investigations of Interfacial Failure
Author(s)
Crosby, Alfred Karim, Alamgir
Keyword(s)
combinatorial methods adhesion polystyrene thin films fracture
Abstract/Summary
Conventional measurements of interfacial strength focus on a single variable, whereas many variables couple nontrivially and simultaneously to define this property. We present a
combinatorial methodology that allows the effects of multivariable environments on interfacial strength to be investigated in a high-throughput, parallel, and quantitative manner. This technique is
largely based on the theory of Johnson, Kendall, and Roberts that quantifies adhesion through the contact and separation of a spherical lens and flat substrate. For our experiments, we fabricated a
combinatorial library consisting of a two-dimensional array of spherical caps and a complementary substrate. The array of spherical caps was brought into contact and subsequently separated from the
substrate, whereas the relative displacement and contact area of the individual lenses were recorded. With gradient library-fabrication methods, two adhesion-controlling parameters can be
continuously varied along the orthogonal axes of the array. In this manner, each lens quantifies the interfacial strength at a unique point in parameter space. We demonstrate this multilens
contactadhesion test by measuring the effect of temperature and coating thickness on the self-adhesion of polystyrene thin films. © 2003 Wiley Periodicals, Inc. J Polym Sci Part B: Polym Phys 41:
883–891, 2003
Publisher
Wiley Periodicals, Inc.
Date
2003-01-01
Copyright Notice
http://www.nist.gov/public_affairs/disclaim.htm
Journal
Journal of Polymer Science: Part B: Polymer Physics
Volume
41
Pages
883-891
Issue
9
Copyright Agreement
on
Additional Notes
Journal of Polymer Science: Part B: Polymer Physics, Vol. 41(9), 883–891 (2003); Sponsorship: Support from the National Research Council (A.J.C.) is
acknowledged
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