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Experimental Analysis and Damage Modeling of High-Density Polyethylene under Fatigue Loading

type de publication      article dans une revue internationale avec comité de lecture
date de publication 2016
auteur(s) Djebli Abdelkader; Bendouba Mostefa; Aïd Abdelkrim; Talha Abderahim; Benseddiq Noureddine; Benguediab Mohamed
journal (abréviation) Acta Mechanica Solida Sinica (Acta Mechanica Solida Sinica)
volume (numéro) 29 (2)
  
pages 133 – 144
résumé In this study, an experimental analysis for determining the fatigue strength of HDPE-100 under cyclic loading is presented. The curve of cumulative fatigue damage versus number of cycles (D-N) was deduced from stiffness degradation. Based on the three stage damage trend, the remaining fatigue life is numerically predicted by considering a double term power damage accumulation model. This model is found to be accurate, both in modeling the rapid damage growth in the early life and near the end of the fatigue life. Numerical results illustrate that the proposed model is capable of accurately fitting several different sets of experimental data.
mots clés HDPE; semi-crystalline; damage accumulation; stiffness degradation
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