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Nanolithographic Determination of Brittleness at Polymer Surfaces

Published online by Cambridge University Press:  10 February 2011

Stefan M. Setz ,
Randolph S. Duran ,
David R. Fagerburg  and
Lou T. Germinario
Stefan M. Setz
Affiliation:
University of Florida, Dept. of Chemistry, Gainesville, FL 32611-7200
Randolph S. Duran
Affiliation:
University of Florida, Dept. of Chemistry, Gainesville, FL 32611-7200
David R. Fagerburg
Affiliation:
Eastman Chemical Company, Kingsport, TN 37662
Lou T. Germinario
Affiliation:
Eastman Chemical Company, Kingsport, TN 37662
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Abstract

AFM techniques were used to interrogate the mechanical properties of weathered polyester copolymer sheets near the exposed surface. Tapping mode tips, as well as a diamond tip mounted on a high spring constant cantilever, were used to scratch overlapping quadrilateral patterns into the polymer. The marred sites were micrographed and the RMS roughness was used as an index of brittleness. Propagation speed and normal force of the test cycle were optimized.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 522: Symposium T – Fundamentals of Nanoindentation & Nanotribology , 1998 , 211
Copyright
Copyright © Materials Research Society 1998

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References

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