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Journal of Plastics Technology 2012/01

Investigations about notch length in pure-shear test specimen for exact analysis of crack propagation in elastomers

The objective of the research presented in this paper is to investigate and to define the minimal length of notch for the initiation of crack propagation in the pure-shear test specimen for the analysis of dynamic crack propagation in elastomers. Test specimens with different geometry factors L<sub>0</sub> / W (length to width of test piece) in the range from 1/12 to 1/4 and with or without initial crack have been investigated. The new developed experimental method has been supplemented by an appropriate FE–analysis. A minimal allowed notch length in the test piece, independent from its geometry, could be defined. This definition forms the theoretical basis for the improvement of efficiency for the analysis of dynamic crack propagation in rubbers.

Dipl.-Ing. Radek Stocek1,2 | Prof. Dr. Gert Heinrich1,3 | Prof. Dr. Michael Gehde2 | B.Sc. Axel Rauschenbach2
1 Leibniz-Institut für Polymerforschung Dresden e.V., Hohe Str. 6, 01069 Dresden
2 Technische Universität Chemnitz, Professur Kunststofftechnik, Reichenhainer Str. 70, D-09126, Chemnitz
3 Technische Universität Dresden, Professur Polymerwerkstoffe und Elastomertechnik

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The Journal of Plastics Technology is a peer reviewed internet periodical published under the auspices of the Scientific Alliance of Polymer Technology (WAK)


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International Polymer Processing

International Polymer Processing, the journal of the Polymer Processing Society, is a discussion forum for the world-wide community of engineers and scientists in the field of polymer processing.

The journal covers research and industrial application in the very specific areas of designing polymer products, processes, processing machinery and equipment.


International Polymer Processing


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The Journal of Plastics Technology is indexed in SCOPUS, the largest abstract and citation database of peer-reviewed literature.