| MA Li-yang,DING Yi,MA Li-qun,YAO Chun-rong,SHEN Wei-dong.Study on the Citric Acid Passivation and the Pitting Corrosion Resistance of 316L Stainless Steel[J],36(2):39-41 |
| Study on the Citric Acid Passivation and the Pitting Corrosion Resistance of 316L Stainless Steel |
| Received:October 27, 2006 Revised:April 10, 2007 |
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| DOI： |
| KeyWord:316L stainless steel Citric acid Passivation Pitting corrosion resistance Orthogonal test |
| Author | Institution |
| MA Li-yang |
College of Materials Science and Engineering, Nanjing University of Technology,Nanjing , China |
| DING Yi |
College of Materials Science and Engineering, Nanjing University of Technology,Nanjing , China |
| MA Li-qun |
College of Materials Science and Engineering, Nanjing University of Technology,Nanjing , China |
| YAO Chun-rong |
Nantong CIMC Tank Equipment Co. ,Ltd, Nantong , China |
| SHEN Wei-dong |
Nantong CIMC Tank Equipment Co. ,Ltd, Nantong , China |
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| Abstract: |
| The citric acid passivation process of 316L stainless steel was studied by means of orthogonal test and its influence on pitting corrosion resistance was evaluated by potentiodynamic method. It concluded that the best technique selected from orthogonal test, which was made up by 3 percent citric acid, 10 percent hydrogen peroxide, 5 percent ethanol, 250C and 90 minutes, could improve the pitting corrosion resistance of 316L stainless steel obviously. |
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