| Title: | Comparison of cycling high temperature corrosion at 650°C in the presence of NaCl of various austenitic stainless steels |
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| Authors: | ID Bajt Leban, Mirjam (Author)
ID Vončina, Maja (Author)
ID Kosec, Tadeja (Author)
ID Tisu, Robert (Author)
ID Barborič, Matevž (Author)
ID Medved, Jože (Author) |
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| Files: |  PDF - Presentation file, download (1,53 MB)
MD5: 4315AF7BE10FA51F04D8E3B569582735
 URL - Source URL, visit http://dx.doi.org/10.1007/s11085-022-10138-y
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| Language: | English |
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| Typology: | 1.01 - Original Scientific Article |
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| Organization: |  ZAG - Slovenian National Building and Civil Engineering Institute
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| Abstract: | The high temperature corrosion at 650°C in the presence of NaCl at atmospheric pressure of AISI 304L, AISI 309, AISI 310S, AISI 314 and AISI 321 austenitic stainless steel was studied. The specimens were cyclically heated in the furnace and immersed in a 3.5% aqueous NaCl solution after cooling for 15 min. After each cycle, the change in mass of the samples was measured. The corroded samples were analysed by SEM /EDX, and the corrosion products were analysed by XRD. The chloride ions react with the steel surface to form porous and poorly adherent oxides and metal chlorides. After the mass increase during the first exposure cycles, spalling of the oxides occurred. The high temperature austenitic stainless steels (AISI 309, AISI 310S, AISI 314) showed less mass loss than conventional austenitic steels (AISI 304L). Surprisingly, the stainless steel AISI 321 showed a similar low weight loss after the cyclic test as AISI 309, but a detailed analysis of the exposed surfaces after the test showed a similar corrosion attack as for AISI 304. After the cyclic test at high temperature in the presence of NaCl, a higher concentration of Cr and Ni definitely improves the corrosion resistance under the present conditions, but a certain addition of Si is even more obvious. |
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| Keywords: | austenitic stainless steel, high temperature corrosion, NaCl, exhaust systems, open access |
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| Publication status: | Published |
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| Publication version: | Version of Record |
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| Publication date: | 27.10.2022 |
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| Publisher: | Plenum Press. |
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| Year of publishing: | 2023 |
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| Number of pages: | str. 63-77 |
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| Numbering: | Vol. 99 |
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| PID: | 20.500.12556/DiRROS-15992  |
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| UDC: | 669 |
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| ISSN on article: | 0030-770X |
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| DOI: | 10.1007/s11085-022-10138-y |
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| COBISS.SI-ID: | 128327683 |
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| Copyright: | © The Author(s) 2022 |
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| Note: | Online first;
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| Publication date in DiRROS: | 31.05.2023 |
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| Views: | 667 |
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| Downloads: | 411 |
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