1. Department of Chemistry, Faculty of Art and SciencesYildiz Technical University Istanbul 34220 Turkey
2. Department of Metallurgy and Materials EngineeringPamukkale University Denizli 20160 Turkey
3. Department of Materials Science and EngineeringEskişehir Technical University Eskişehir 26555 Turkey
4. Department of Metallurgy and Materials Engineering, Faculty of Chemical and Metallurgical EngineeringYildiz Technical University Istanbul 34210 Turkey