Aminnudin, A., Pratikto, P., Purnowidodo, A. and Irawan, Y.S. 2018. The analysis of friction effect on equal channel angular pressing (ECAP) process on Aluminium 5052 to homogeneity of strain distribution. Eastern-European Journal of Enterprise Technologies. 2, 1 (92) (Mar. 2018), 57–62. DOI:https://doi.org/10.15587/1729-4061.2018.127006.