Do Xuan Truong, Nguyen, M.T., Nguyen Manh Hung and Nguyen Truong An 2023. Effect of the cyclic expansion-extrusion (CEE) process on mechanical properties and the grain refinement of AA6061 aluminum alloy. Journal of Military Science and Technology. 87, 87 (May 2023), 100–107. DOI:https://doi.org/10.54939/1859-1043.j.mst.87.2023.100-107.