Mehmet Erdi Korkmaz graduated from his Phd in 2018. He is currently working as Assoc. Prof. Dr. at Karabük University. He got his master degree in Mechanical Engineering from the same university. He also takes a Bachelor degree in mechanical engineering from Middle East Technical University. He had been studied as guest researcher at Ghent University, Belgium in 2017. His research areas are mechanical behaviour of materials, Constitutive material model parameters, Finite element modeling of machining process, tribology in machining and additive manufacturing. He has authored or co-authored over 100 publications, including scientific papers in high impact international journals and conference proceedings. His expertise and contributions in the field of machining have afforded him many collaborative works with important Institutions. He is a reviewer for many international Journals (for Elsevier, Springer, Sage, etc.).

Şenol Bayraktar is a Assoc. Prof. Dr. at Recep Tayyip Erdoğan University, Rize, Turkey. He received his MSc and PhD from Gazi University, Department of Manufacturing Engineering, Ankara, Turkey, in 2011 and 2016, respectively. His research interests involve on the machinability of materials (drilling, turning, milling, etc.) and the efficiency of asynchronous motors. He experienced on the industrial design of neonatal and intensive care devices in the industrial sector and served as manufacturing manager in different sectors. Especially in recent years, he has been working on the effect of silicon, zinc, strontium, magnesium and titanium on the machinability of heat treated and non-heat-treated aluminum alloys. He has been working as an manager and researcher in national projects and reviewer in prestigious international journals. He has articles and book chapters published in Elsevier, Springer and Taylor Francis publishing.