The Corrosion Performances in Various artificial body fluids of various metals are evaluated, Artificial human blood, urine serum, Joint fluid, simulated bile solutions, artificial salaiva, Hank’s solutions Ringers, Tyrode of the solution, Cigada solutions are examined with different type of metals such as Ni-Al-Fe alloys, TiO2 nano tubes, cobalt alloys, Cr alloys, 316 stainless steel, Mg alloy...