Adhesion loss due to internal strain

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Journal titleJournal of Coatings Technology
Pages3543; # of pages: 9
Subjectadhesion; lacquers; peelings; paints; Buildings
AbstractThe manner in which internal strain adversely affects the adhesion of coatings is demonstrated both experimentally and theoretically. Internal strain energy stored in a coating increases with its thickness and, at a certain thickness, that energy is sufficient to overcome the interfacial work of adhesion. When that happens, the coating spontaneously peels from its substrate. The coating thickness at which this failure occurs provides a direct measure of adhesion that correlates well with results gained from peeling and pull-off tests on the polystyrene and polyisobutylmethacrylate lacquers used here.
Publication date
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedYes
NRC number18516
NPARC number20373831
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Record identifierceac081b-93f1-4fed-93ba-c959aa780cea
Record created2012-07-23
Record modified2016-05-09
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