FROSIO考试99个问问答

The 99 questions What condition is essential for galvanic (bimetallic) corrosion to occur? Oxygen; electrolyte; (two metals having) different potentials How do we recognize turbulence corrosion? In copper we can find sharply defined pits which commonly are undercut on the side facing the water’s direction of flow 3. When we use the term degraphitation of cast iron, what kind of corrosion do we refer to ? Selective corrosion 4. Degraphitation is a special form of bimetallic corrosion and e