Tearing test for paper using a tensile tester |
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| Authors: | Tatsuo Yamauchi and Atsushi Tanaka |
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| Institution: | (1) The Finnish Pulp and Paper Research Institute, Science and Consulting, FIN-02151 Espoo, Finland;(2) Present address: Division of Forest and Biomaterials Science, Graduate School of Agriculture, Kyoto University, Kitashirakawa Oiwake-cho, Sakyo-ku, 606-8502 Kyoto, Japan |
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| Abstract: | As a simulation of the Elmendorf tearing test, a tearing test method using a tensile tester was proposed with the same mode of fracture, mode III. Tear indices by both tests were highly correlated for various machine-made papers and laboratory handsheets. The relation between tensile strength and tear strength using the tensile tester was similar to that between tensile and Elmendorf tear strengths in single-ply mode for both softwood and hardwood pulp sheets. The proposed tearing test is convenient especially for imaging techniques such as thermography, and can help give new insights into the tearing process of paper.This work was partially presented at the 45th Annual Conference of the Japan Wood Research Society, Tokyo, April 1995 |
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| Keywords: | Elmendorf tear Fracture Paper Tearing Test methods |
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