Effect of grain boundary engineering on corrosion behavior of nickel-based alloy 825 in sulfur environment
Grain boundary engineering (GBE) by appropriate deformation and heat treatment processes was applied to nickel-based alloy 825 due to its excellent corrosion resistance. The microstructure of nickel-based alloy was analyzed by electron backscatter diffraction (EBSD) and the effect of GBE on the corr...
| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
IOP Publishing
2021-01-01
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| Series: | Materials Research Express |
| Subjects: | |
| Online Access: | https://doi.org/10.1088/2053-1591/ac0cc5 |
| _version_ | 1797746875179204608 |
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| author | Zhou Fan Yidong Zhang Xiaogang Hu Dawei Yang Yang Wang Jianyi Liu |
| author_facet | Zhou Fan Yidong Zhang Xiaogang Hu Dawei Yang Yang Wang Jianyi Liu |
| author_sort | Zhou Fan |
| collection | DOAJ |
| description | Grain boundary engineering (GBE) by appropriate deformation and heat treatment processes was applied to nickel-based alloy 825 due to its excellent corrosion resistance. The microstructure of nickel-based alloy was analyzed by electron backscatter diffraction (EBSD) and the effect of GBE on the corrosion resistance in high sulfur-containing environments was studied by electrochemical method. The results show that the ratio of low Σvalue coincidence site lattice (CSL) grain boundary is obviously improved from 47.1% to 65.5%. The special angle grain boundaries Σ3, Σ9, Σ27 and so on are randomly distributed on the network of the large angle grain boundaries, which destroy the connectivity of the original grain boundary network, and effectively block the corrosion cracking of the material along them. The corrosion resistance of nickel-based alloy 825 in high sulfur environments is enhanced verified by polarization curve and scanning electrochemical microscope, providing references for corrosion protection during the exploitation of high sulfur gas reservoirs. |
| first_indexed | 2024-03-12T15:43:58Z |
| format | Article |
| id | doaj.art-4fc7f42e4a884c4b954f9eca52223c61 |
| institution | Directory Open Access Journal |
| issn | 2053-1591 |
| language | English |
| last_indexed | 2024-03-12T15:43:58Z |
| publishDate | 2021-01-01 |
| publisher | IOP Publishing |
| record_format | Article |
| series | Materials Research Express |
| spelling | doaj.art-4fc7f42e4a884c4b954f9eca52223c612023-08-09T15:50:43ZengIOP PublishingMaterials Research Express2053-15912021-01-018606653010.1088/2053-1591/ac0cc5Effect of grain boundary engineering on corrosion behavior of nickel-based alloy 825 in sulfur environmentZhou Fan0https://orcid.org/0000-0002-0248-8631Yidong Zhang1Xiaogang Hu2Dawei Yang3Yang Wang4Jianyi Liu5School of New Energy and Materials, Southwest Petroleum University , Chengdu 610500, People’s Republic of ChinaSchool of New Energy and Materials, Southwest Petroleum University , Chengdu 610500, People’s Republic of ChinaChongqing HKC Optoelectronics Technology Co. Ltd, Chongqing 401346, People’s Republic of ChinaSchool of New Energy and Materials, Southwest Petroleum University , Chengdu 610500, People’s Republic of ChinaSchool of New Energy and Materials, Southwest Petroleum University , Chengdu 610500, People’s Republic of ChinaState Key Laboratory of Oil and Gas Reservoir Geology and Development Engineering, Southwest Petroleum University , Chengdu 610500, People’s Republic of ChinaGrain boundary engineering (GBE) by appropriate deformation and heat treatment processes was applied to nickel-based alloy 825 due to its excellent corrosion resistance. The microstructure of nickel-based alloy was analyzed by electron backscatter diffraction (EBSD) and the effect of GBE on the corrosion resistance in high sulfur-containing environments was studied by electrochemical method. The results show that the ratio of low Σvalue coincidence site lattice (CSL) grain boundary is obviously improved from 47.1% to 65.5%. The special angle grain boundaries Σ3, Σ9, Σ27 and so on are randomly distributed on the network of the large angle grain boundaries, which destroy the connectivity of the original grain boundary network, and effectively block the corrosion cracking of the material along them. The corrosion resistance of nickel-based alloy 825 in high sulfur environments is enhanced verified by polarization curve and scanning electrochemical microscope, providing references for corrosion protection during the exploitation of high sulfur gas reservoirs.https://doi.org/10.1088/2053-1591/ac0cc5grain boundary engineeringcorrosion behaviornickel-based alloysulfur |
| spellingShingle | Zhou Fan Yidong Zhang Xiaogang Hu Dawei Yang Yang Wang Jianyi Liu Effect of grain boundary engineering on corrosion behavior of nickel-based alloy 825 in sulfur environment Materials Research Express grain boundary engineering corrosion behavior nickel-based alloy sulfur |
| title | Effect of grain boundary engineering on corrosion behavior of nickel-based alloy 825 in sulfur environment |
| title_full | Effect of grain boundary engineering on corrosion behavior of nickel-based alloy 825 in sulfur environment |
| title_fullStr | Effect of grain boundary engineering on corrosion behavior of nickel-based alloy 825 in sulfur environment |
| title_full_unstemmed | Effect of grain boundary engineering on corrosion behavior of nickel-based alloy 825 in sulfur environment |
| title_short | Effect of grain boundary engineering on corrosion behavior of nickel-based alloy 825 in sulfur environment |
| title_sort | effect of grain boundary engineering on corrosion behavior of nickel based alloy 825 in sulfur environment |
| topic | grain boundary engineering corrosion behavior nickel-based alloy sulfur |
| url | https://doi.org/10.1088/2053-1591/ac0cc5 |
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