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Jingbao Wang,Jingmao Zhao,Mohammad Tabish,Lijun Peng,Qi Cheng,Fan Shi 한국공업화학회 2023 Journal of Industrial and Engineering Chemistry Vol.120 No.-
The long-term corrosion inhibition for AA5052 aluminum alloy was achieved by the hybrid inhibitorcombined by rosemary extract (RSE) and zinc chloride (ZnCl2) which could offer more than 30 days ofprotection for AA5052 Al alloy in a 0.05 M NaCl solution. The highest efficiency of ZnCl2, RSE, and hybridinhibitor (ZR) reached 67.34 %, 88.41 % and 96.48 % at 2000 ppm, respectively. The excellent inhibitionperformance of the hybrid inhibitor was attributed to the synergism between RSE and ZnCl2. The electrochemicalmeasurements show that the long-term inhibition performance is due to the combination ofadsorption film and Zn oxide/hydroxide precipitated film