Effect of X-ray irradiation on the structure, thermal and mechanical properties of polyester Samir A. Nouh, Huda A. El-Nabarawy, M.M. Abutalib and Radiyah A. Bahareth Eur. Phys. J. Appl. Phys., 62 3 (2013) 30201 Published online: 13 June 2013 DOI: 10.1051/epjap/2013130050