1. Center of Research Excellence in Corrosion , Research Institute, King Fahd University of Petroleum and Minerals , Dhahran 31261 , Saudi Arabia
2. Department of Chemistry and Environmental Science , New Jersey Institute of Technology , Newark , NJ 07102 , USA
3. Department of Mechanical Engineering (BK21 four) , College of Engineering, Kyung Hee University , Yongin , Republic of Korea