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Moisture-Assisted Crack Growth in Polymer Adhesive-Glass Sandwich Geometries

Published online by Cambridge University Press:  22 February 2011

J. E. Ritter ,
T. J. Lardner ,
G. C. Prakash  and
A. J. Stewart
J. E. Ritter
Affiliation:
University of Massachusetts, Department of Mechanical Engineering, Amherst, MA 01003
T. J. Lardner
Affiliation:
University of Massachusetts, Department of Mechanical Engineering, Amherst, MA 01003
G. C. Prakash
Affiliation:
University of Massachusetts, Department of Mechanical Engineering, Amherst, MA 01003
A. J. Stewart
Affiliation:
University of Massachusetts, Department of Mechanical Engineering, Amherst, MA 01003
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Abstract

Moisture-assisted crack growth in polymer/glass interfaces was measured as a function of the applied energy release using a four-point flexure test coupled with an inverted microscope. The specimens consisted of two glass plates bonded together with a thin layer of epoxy adhesive. Roughening the surface of one of the interfaces increased its fracture resistance sufficiently so that crack growth on this interface was inhibited. Thus, crack growth would occur only on the “smooth” interface (one with the least fracture resistance) or in the case where both interfaces were smooth, dual cracking occurred. Finite element analysis was used to explain the observed crack growth results.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 338: Symposium – Materials Reliability in Microelectronics IV , 1994 , 599
Copyright
Copyright © Materials Research Society 1994

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References

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