Inhibition effect of tannic acid and sodium molybdate for the flow corrosion of 304 stainless steel on 90° elbow
In this paper, the optimal ratio of tannic acid (TA) and sodium molybdate (SM) and the influence of different hydrodynamic factors on the corrosion inhibition effect of 304 stainless steel at 90° bending were evaluated. This study combines static immersion and simulation of a pipeline circulating fl...
| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
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Elsevier
2022-09-01
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| Series: | Journal of Materials Research and Technology |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S2238785422011905 |
| _version_ | 1811253050051919872 |
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| author | Siyao Chen Shao chun Wang Yong Suo Guangming Yang Yafei Du Yongsheng Ren |
| author_facet | Siyao Chen Shao chun Wang Yong Suo Guangming Yang Yafei Du Yongsheng Ren |
| author_sort | Siyao Chen |
| collection | DOAJ |
| description | In this paper, the optimal ratio of tannic acid (TA) and sodium molybdate (SM) and the influence of different hydrodynamic factors on the corrosion inhibition effect of 304 stainless steel at 90° bending were evaluated. This study combines static immersion and simulation of a pipeline circulating flow device, and uses electrochemical and computational fluid dynamics (CFD) simulations to evaluate the corrosion inhibition effect of corrosion inhibitors in this system. The optimal ratio of tannic acid and sodium molybdate is 3 g/L tannic acid +0.05 g/L sodium molybdate. The study found that the corrosion inhibition efficiency of the corrosion inhibitor at different positions of the elbow is different, and the corrosion inhibition efficiency decreases with the increase of the flow rate. The surface morphology and corrosion products of the samples were analyzed by SEM and XPS, which further verified the experimental results and analyzed the corrosion inhibition mechanism. |
| first_indexed | 2024-04-12T16:45:02Z |
| format | Article |
| id | doaj.art-2736d1845a154d2a85f1292d27639aa7 |
| institution | Directory Open Access Journal |
| issn | 2238-7854 |
| language | English |
| last_indexed | 2024-04-12T16:45:02Z |
| publishDate | 2022-09-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Journal of Materials Research and Technology |
| spelling | doaj.art-2736d1845a154d2a85f1292d27639aa72022-12-22T03:24:37ZengElsevierJournal of Materials Research and Technology2238-78542022-09-012024082420Inhibition effect of tannic acid and sodium molybdate for the flow corrosion of 304 stainless steel on 90° elbowSiyao Chen0Shao chun Wang1Yong Suo2Guangming Yang3Yafei Du4Yongsheng Ren5State Key Laboratory of High-efficiency Utilization of Coal and Green Chemical Engineering, National Demonstration Center for Experimental Chemistry Education, College of Chemistry and Chemical Engineering, Ningxia University, Yinchuan 750021, PR ChinaState Key Laboratory of High-efficiency Utilization of Coal and Green Chemical Engineering, National Demonstration Center for Experimental Chemistry Education, College of Chemistry and Chemical Engineering, Ningxia University, Yinchuan 750021, PR ChinaState Key Laboratory of High-efficiency Utilization of Coal and Green Chemical Engineering, National Demonstration Center for Experimental Chemistry Education, College of Chemistry and Chemical Engineering, Ningxia University, Yinchuan 750021, PR ChinaState Key Laboratory of High-efficiency Utilization of Coal and Green Chemical Engineering, National Demonstration Center for Experimental Chemistry Education, College of Chemistry and Chemical Engineering, Ningxia University, Yinchuan 750021, PR ChinaState Key Laboratory of High-efficiency Utilization of Coal and Green Chemical Engineering, National Demonstration Center for Experimental Chemistry Education, College of Chemistry and Chemical Engineering, Ningxia University, Yinchuan 750021, PR ChinaCorresponding author.; State Key Laboratory of High-efficiency Utilization of Coal and Green Chemical Engineering, National Demonstration Center for Experimental Chemistry Education, College of Chemistry and Chemical Engineering, Ningxia University, Yinchuan 750021, PR ChinaIn this paper, the optimal ratio of tannic acid (TA) and sodium molybdate (SM) and the influence of different hydrodynamic factors on the corrosion inhibition effect of 304 stainless steel at 90° bending were evaluated. This study combines static immersion and simulation of a pipeline circulating flow device, and uses electrochemical and computational fluid dynamics (CFD) simulations to evaluate the corrosion inhibition effect of corrosion inhibitors in this system. The optimal ratio of tannic acid and sodium molybdate is 3 g/L tannic acid +0.05 g/L sodium molybdate. The study found that the corrosion inhibition efficiency of the corrosion inhibitor at different positions of the elbow is different, and the corrosion inhibition efficiency decreases with the increase of the flow rate. The surface morphology and corrosion products of the samples were analyzed by SEM and XPS, which further verified the experimental results and analyzed the corrosion inhibition mechanism.http://www.sciencedirect.com/science/article/pii/S2238785422011905Stainless steelEISXPSTannic acidCFD |
| spellingShingle | Siyao Chen Shao chun Wang Yong Suo Guangming Yang Yafei Du Yongsheng Ren Inhibition effect of tannic acid and sodium molybdate for the flow corrosion of 304 stainless steel on 90° elbow Journal of Materials Research and Technology Stainless steel EIS XPS Tannic acid CFD |
| title | Inhibition effect of tannic acid and sodium molybdate for the flow corrosion of 304 stainless steel on 90° elbow |
| title_full | Inhibition effect of tannic acid and sodium molybdate for the flow corrosion of 304 stainless steel on 90° elbow |
| title_fullStr | Inhibition effect of tannic acid and sodium molybdate for the flow corrosion of 304 stainless steel on 90° elbow |
| title_full_unstemmed | Inhibition effect of tannic acid and sodium molybdate for the flow corrosion of 304 stainless steel on 90° elbow |
| title_short | Inhibition effect of tannic acid and sodium molybdate for the flow corrosion of 304 stainless steel on 90° elbow |
| title_sort | inhibition effect of tannic acid and sodium molybdate for the flow corrosion of 304 stainless steel on 90° elbow |
| topic | Stainless steel EIS XPS Tannic acid CFD |
| url | http://www.sciencedirect.com/science/article/pii/S2238785422011905 |
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