Temperature and frequency effects on fatigue crack growth of uPVC
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Temperature and frequency effects on fatigue crack growth rate have been modelled. The “stress intensity factor”- biased Arrhenius equation and a result from the “two-stage zone” model have been incorporated into the present model. Subsequently, temperature and frequency effects on fatigue crack growth in unplasticized polyvinyl chloride (uPVC) were studied over a temperature range 15–55 °C and a frequency range 0.01–10 Hz. Data for PVC taken from the literature were also included for analysis. It was found that the predicted values from the proposed model are in good agreement with experimental results.
KeywordsPolymer Chloride Growth Rate Fatigue Stress Intensity
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