Depth-dependent displacement modulated indentation in oriented polypropylene

The mechanical properties of kink bands which develop during micro-indentation testing of oriented polypropylene have been analyzed in terms of a viscoelastic model. Stress relaxation and dynamic mechanical measurements have interpreted in terms of the geometric softening effects within the constrai...

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Bibliographic Details
Published in:Materials science & engineering. A, Structural materials : properties, microstructure and processing Structural materials : properties, microstructure and processing, 2008-09, Vol.491 (1), p.182-191
Main Authors: Shinozaki, D.M., Lo, J.C.W., Lu, Y.C.
Format: Article
Language:English
Subjects:
Applied sciences
Exact sciences and technology
Kink band
Mechanical properties
Modulated micro-indentation
Negative damping
Oriented polypropylene
Physical properties
Polymer industry, paints, wood
Properties and testing
Technology of polymers
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Summary:The mechanical properties of kink bands which develop during micro-indentation testing of oriented polypropylene have been analyzed in terms of a viscoelastic model. Stress relaxation and dynamic mechanical measurements have interpreted in terms of the geometric softening effects within the constrained region of the kink band.
ISSN:0921-5093
1873-4936
DOI:10.1016/j.msea.2008.01.079