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Fatigue Life Prediction and Damage Modelling of High-density Polyethylene under Constant and Two-block Loading ☆

type de publication      article dans une revue internationale avec comité de lecture
date de publication 2015
auteur(s) Djebli Abdelkader; Bendouba Mostefa; Aïd Abdelkrim; Talha Abderahim; Benseddiq Noureddine; Benguediab Mohamed
journal (abréviation) Procedia Engineering (Procedia Engineering)
volume (numéro) 101
  
pages 2 – 9
résumé An experimental analysis for determining the fatigue strength of HDPE-100, under constant and variable amplitude loading is presented. Further, the cumulative fatigue damage behavior for HDPE-100 was experimentally investigated. First, The S–N curve was obtained to establish the fatigue life of The HDPE-100 subjected to constant stress amplitude. Secondly, the Cumulative fatigue damage was estimated by different cumulative model such as Miner rule, damage stress model and Energy model (Damage energy model). Comparison between predictions and experimental results showed different trends depending on the prediction model used.
mots clés polyethylene; Cumulative damage; Fatigue damage; viscoelastic behavior; Two-block loading
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