List of Articles Ayda Asaadi Zahraei Article 1 - Investigating the Effect of Changing Plasma Electrolytic Oxidation on the Scratch Degradation of Ti-6Al-4V M.R. Tavighi A. Rabieifar O. Ashkani A. Asaadi Zahraei Journal of Environmental Friendly Materials , Issue 1 , Year , Spring 2024 Article 2 - Tribological Behavior of Functionally Graded Composite Materials A Rabieifar H Sabet A Asaadi Zahraei Journal of Environmental Friendly Materials , Issue 1 , Year , Spring 2025