Abstract
The tear resistance of polyethylene terephthalate film is characterized by the essential work of fracture method in mode I as a function of test speed and temperature. Attempts to extrapolate tearing resistance found by the method of essential work to commercial slitting processes are discussed. Limitations of the essential work of fracture method with regards to specimen size are evaluated. Based on the findings modifications to the test protocol are suggested.
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Light, M.E., Lesser, A.J. Effect of test conditions on the essential work of fracture in polyethylene terephthalate film. J Mater Sci 40, 2861–2866 (2005). https://doi.org/10.1007/s10853-005-2430-9
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DOI: https://doi.org/10.1007/s10853-005-2430-9