Al-Fahad, I.O.B., Sharaf, H. kadhim, Bachache, L.N. and Bachache, N.K. 2023. Identifying the mechanism of the fatigue behavior of the composite shaft subjected to variable load. Eastern-European Journal of Enterprise Technologies. 3, 7 (123) (Jun. 2023), 37–44. DOI:https://doi.org/10.15587/1729-4061.2023.283078.