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Interfacial Shear Strength of Thin Polymeric Coatings on Glass

Published online by Cambridge University Press:  22 February 2011

J. E. Ritter ,
L. Rosenfeld ,
M. R. Lin  and
T. J. Lardner
J. E. Ritter
Affiliation:
Mechanical Engineering Department, University of Massachusetts, Amherst, MA 01003
L. Rosenfeld
Affiliation:
Mechanical Engineering Department, University of Massachusetts, Amherst, MA 01003
M. R. Lin
Affiliation:
Mechanical Engineering Department, University of Massachusetts, Amherst, MA 01003
T. J. Lardner
Affiliation:
Mechanical Engineering Department, University of Massachusetts, Amherst, MA 01003
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Abstract

The interfacial adhesive shear strengths of epoxy and acrylate coatings on glass substrates were measured by the indentation and lap shear tests. The lap shear strengths were about an order of magnitude less and exhibited considerably more variability than those measured by indentation. It is believed that the lap shear strength is controlled by large processing flaws (pores in this study); whereas, the indentation test measures the “intrinsic” strength of the coating.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 130: Symposium C – Thin Films: Stresses and Mechanical Properties I , 1988 , 237
Copyright
Copyright © Materials Research Society 1989

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