Corrosion behavior of SiC coated HX with MoSi2 interlayer to be utilized in iodine–sulfur cycle for hydrogen production
In this era, renewable energy technologies are suitable to meet the challenges of fossil fuel depletion and global warming. Thus, hydrogen is gaining attention as an alternative clean energy carrier that can be produced from various methods, one of them is the iodine-sulfur (I–S) cycle which is a th...
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| Format: | Article |
| Language: | English |
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Elsevier
2023-11-01
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| Series: | Heliyon |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2405844023088485 |
| _version_ | 1827615942424657920 |
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| author | Zain Hussain Zuhair S. Khan Asif Hussain Khoja Altamash Shabbir Abdulaziz Al-Anazi Israf Ud Din |
| author_facet | Zain Hussain Zuhair S. Khan Asif Hussain Khoja Altamash Shabbir Abdulaziz Al-Anazi Israf Ud Din |
| author_sort | Zain Hussain |
| collection | DOAJ |
| description | In this era, renewable energy technologies are suitable to meet the challenges of fossil fuel depletion and global warming. Thus, hydrogen is gaining attention as an alternative clean energy carrier that can be produced from various methods, one of them is the iodine-sulfur (I–S) cycle which is a thermochemical process. The I–S cycle requires a material that can withstand an extremely corrosive environment at high temperatures. Immersion tests were conducted on bare superalloy Hastelloy X (HX), MoSi2, and SiC–MoSi2 coated HX, deposited in physical vapor deposition (PVD) to evaluate their corrosion resistance. Bare HX exhibited a high corrosion rate of 208.1 mm yr−1 when exposed to 98 wt% sulfuric acid at 300 °C. In contrast, HX with MoSi2 coating showed a much lower corrosion rate of 23.5 mm yr−1, and HX with SiC–MoSi2 coating demonstrated the lowest corrosion rate at 6.5 mm yr−1 under the same conditions. The coated samples were analyzed via FESEM before and after corrosion testing. The FESEM images reveal the formation of coalescent particles on the surface of the coating. The elemental analysis illustrates an increased concentration of silicon and oxygen in the corroded samples. Elemental mapping of these samples show a uniform distribution of elements over the sample. These findings contribute not only to materials science understanding but also to practical applications in hydrogen production via the I–S cycle, where corrosion-resistant materials are critical. |
| first_indexed | 2024-03-09T09:18:49Z |
| format | Article |
| id | doaj.art-5fd1f3c62d274522a159226189513e42 |
| institution | Directory Open Access Journal |
| issn | 2405-8440 |
| language | English |
| last_indexed | 2024-03-09T09:18:49Z |
| publishDate | 2023-11-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Heliyon |
| spelling | doaj.art-5fd1f3c62d274522a159226189513e422023-12-02T07:03:34ZengElsevierHeliyon2405-84402023-11-01911e21640Corrosion behavior of SiC coated HX with MoSi2 interlayer to be utilized in iodine–sulfur cycle for hydrogen productionZain Hussain0Zuhair S. Khan1Asif Hussain Khoja2Altamash Shabbir3Abdulaziz Al-Anazi4Israf Ud Din5U.S.-Pakistan Centre for Advanced Studies in Energy (USPCAS-E), National University of Sciences and Technology (NUST), Sector H-12, Islamabad, 44000, PakistanOffice of Research Innovation and Commercialization (ORIC), University of Wah, Wah Cantt, 47010, PakistanU.S.-Pakistan Centre for Advanced Studies in Energy (USPCAS-E), National University of Sciences and Technology (NUST), Sector H-12, Islamabad, 44000, Pakistan; Corresponding author.U.S.-Pakistan Centre for Advanced Studies in Energy (USPCAS-E), National University of Sciences and Technology (NUST), Sector H-12, Islamabad, 44000, PakistanDepartment of Chemical Engineering, College of Engineering, King Saud University, P. O. Box 800, Riyadh, 11421, Saudi ArabiaChemistry Department, College of Science and Humanities, Prince Sattam bin Abdulaziz University, P.O. Box 173, Alkharj, 11942, Saudi ArabiaIn this era, renewable energy technologies are suitable to meet the challenges of fossil fuel depletion and global warming. Thus, hydrogen is gaining attention as an alternative clean energy carrier that can be produced from various methods, one of them is the iodine-sulfur (I–S) cycle which is a thermochemical process. The I–S cycle requires a material that can withstand an extremely corrosive environment at high temperatures. Immersion tests were conducted on bare superalloy Hastelloy X (HX), MoSi2, and SiC–MoSi2 coated HX, deposited in physical vapor deposition (PVD) to evaluate their corrosion resistance. Bare HX exhibited a high corrosion rate of 208.1 mm yr−1 when exposed to 98 wt% sulfuric acid at 300 °C. In contrast, HX with MoSi2 coating showed a much lower corrosion rate of 23.5 mm yr−1, and HX with SiC–MoSi2 coating demonstrated the lowest corrosion rate at 6.5 mm yr−1 under the same conditions. The coated samples were analyzed via FESEM before and after corrosion testing. The FESEM images reveal the formation of coalescent particles on the surface of the coating. The elemental analysis illustrates an increased concentration of silicon and oxygen in the corroded samples. Elemental mapping of these samples show a uniform distribution of elements over the sample. These findings contribute not only to materials science understanding but also to practical applications in hydrogen production via the I–S cycle, where corrosion-resistant materials are critical.http://www.sciencedirect.com/science/article/pii/S2405844023088485Iodine sulfur cycleCorrosion resistanceHastelloy X |
| spellingShingle | Zain Hussain Zuhair S. Khan Asif Hussain Khoja Altamash Shabbir Abdulaziz Al-Anazi Israf Ud Din Corrosion behavior of SiC coated HX with MoSi2 interlayer to be utilized in iodine–sulfur cycle for hydrogen production Heliyon Iodine sulfur cycle Corrosion resistance Hastelloy X |
| title | Corrosion behavior of SiC coated HX with MoSi2 interlayer to be utilized in iodine–sulfur cycle for hydrogen production |
| title_full | Corrosion behavior of SiC coated HX with MoSi2 interlayer to be utilized in iodine–sulfur cycle for hydrogen production |
| title_fullStr | Corrosion behavior of SiC coated HX with MoSi2 interlayer to be utilized in iodine–sulfur cycle for hydrogen production |
| title_full_unstemmed | Corrosion behavior of SiC coated HX with MoSi2 interlayer to be utilized in iodine–sulfur cycle for hydrogen production |
| title_short | Corrosion behavior of SiC coated HX with MoSi2 interlayer to be utilized in iodine–sulfur cycle for hydrogen production |
| title_sort | corrosion behavior of sic coated hx with mosi2 interlayer to be utilized in iodine sulfur cycle for hydrogen production |
| topic | Iodine sulfur cycle Corrosion resistance Hastelloy X |
| url | http://www.sciencedirect.com/science/article/pii/S2405844023088485 |
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