Effect of UV Ageing on the fatigue life of bulk polyethylene Hamza Lamnii, Moussa Nait-Abdelaziz, Georges Ayoub, Jean-Michel Gloaguen, Ulrich Maschke and Bilal Mansoor MATEC Web Conf., 165 (2018) 08002 Published online: 25 May 2018 DOI: 10.1051/matecconf/201816508002