TY - GEN AU - Mosaad Ragab Awad AU - Hesham Elsaid Elfiky , AU - Nadia Helal Yehia , AU - Said Abd El rahman Salih , TI - Kinetic studies on stability of passive layer formed on some copper alloys in different aqueous media / PY - 2005/// CY - Cairo : PB - Mosaad Ragab Awad , KW - Copper alloys KW - Kinetic studies KW - passive layer N1 - Thesis (M.Sc.) - Cairo University - Fayoum Branch - Faculty Of Science - Department Of Physical Chemistry; Issued also as CD N2 - Copper and copper alloys are used as an essential parts in manufacturing of the cooling systems and heat exchangers Iron alloying addition to the copper alloys may be used to improve their corrosion resistance Iron can be incorporated into the Cu2O film , increasing its passivity , and / or iron may form a film of colloidal iron hydroxide on the metallic surface ER -