Characterization of the Fracture and Fatigue Behavior of Thermoplastic Elastomer Materials

Abstract:

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Thermoplastic elastomers are a relatively new group of engineering materials and are increasingly used in various technical applications (i.e., seals, gaskets, damping elements, and membranes) where the fatigue resistance plays an important role. The fracture behavior of elastomers is often characterized using the tearing energy concept, T. However, hardly any data are available for these types of materials. Hence, an unfilled and a filled thermoplastic polyurethane (TPU) type were investigated under cyclic loading conditions. The pure shear specimen configuration was used in the experimental part of this study. Crack growth kinetics curves were determined and the cycle number and the tests frequency dependence of these curves investigated. While a stable crack growth process was observed at 2 Hz the crack growth became unstable above specific test amplitude at 10 Hz.

Info:

Periodical:

Key Engineering Materials (Volumes 417-418)

Edited by:

M.H Aliabadi, S. Abela, S. Baragetti, M. Guagliano and Han-Seung Lee

Pages:

789-792

DOI:

10.4028/www.scientific.net/KEM.417-418.789

Citation:

Z. Major et al., "Characterization of the Fracture and Fatigue Behavior of Thermoplastic Elastomer Materials", Key Engineering Materials, Vols. 417-418, pp. 789-792, 2010

Online since:

October 2009

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Price:

$35.00

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