Recovery of passivation (ROP) in high-nitrogen martensitic stainless steel: Preventing loss of passivation (LOP) via heat treatment
In this work, chromium depletion and its attenuation at different tempering temperatures dictated the loss and recovery of passivation of a novel hard high-nitrogen martensitic stainless steel (HNMSS) with a significant carbon content (0.7 wt%). During tempering from 300 to 600 °C, low temperatures...
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Elsevier
2025-09-01
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| Series: | Journal of Materials Research and Technology |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2238785425020496 |
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| author | Pablo Miguel Coha-Vesga Francisco Gil Coury Guilherme Yuuki Koga Martín Emilio Mendoza-Oliveros Lais Mujica-Roncery |
| author_facet | Pablo Miguel Coha-Vesga Francisco Gil Coury Guilherme Yuuki Koga Martín Emilio Mendoza-Oliveros Lais Mujica-Roncery |
| author_sort | Pablo Miguel Coha-Vesga |
| collection | DOAJ |
| description | In this work, chromium depletion and its attenuation at different tempering temperatures dictated the loss and recovery of passivation of a novel hard high-nitrogen martensitic stainless steel (HNMSS) with a significant carbon content (0.7 wt%). During tempering from 300 to 600 °C, low temperatures induced little loss of corrosion resistance due to the reduced occurrence of secondary carbides, while intermediate temperatures around 500 °C caused expanded Cr-depleted regions around the carbides, leading to a collapse in corrosion resistance attributed to the loss of passivation (LOP) occurrence. Tempering at higher temperatures, despite promoting Cr-enriched carbides, facilitated the recovery of passivation (ROP) as the diffusion processes of Cr from the martensitic matrix are enhanced at elevated temperatures, restoring much of the initial corrosion resistance of the as-quenched alloy. This work contributes to the design of HNMSS with a balanced combination of mechanical and electrochemical properties, which are essential for ensuring durable tools that are exposed to corrosion and wear threats. |
| format | Article |
| id | doaj-art-c4f09f783e6e45cc8766290d4701abb4 |
| institution | Kabale University |
| issn | 2238-7854 |
| language | English |
| publishDate | 2025-09-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Journal of Materials Research and Technology |
| spelling | doaj-art-c4f09f783e6e45cc8766290d4701abb42025-08-23T04:48:33ZengElsevierJournal of Materials Research and Technology2238-78542025-09-01382935294910.1016/j.jmrt.2025.08.096Recovery of passivation (ROP) in high-nitrogen martensitic stainless steel: Preventing loss of passivation (LOP) via heat treatmentPablo Miguel Coha-Vesga0Francisco Gil Coury1Guilherme Yuuki Koga2Martín Emilio Mendoza-Oliveros3Lais Mujica-Roncery4Universidad Pedagógica y Tecnológica de Colombia, Grupo de Investigación en Materiales Siderúrgicos, sede Tunja, Avenida Central del Norte # 39-115, ColombiaFederal University of São Carlos, Department of Materials Science and Engineering, Rod. Washington Luis, São Carlos, SP, CEP 13565–905, BrazilFederal University of São Carlos, Department of Materials Science and Engineering, Rod. Washington Luis, São Carlos, SP, CEP 13565–905, Brazil; Corresponding author.Universidad Pedagógica y Tecnológica de Colombia, Grupo de Investigación en Metalurgia Física de Procesos de Manufactura, sede Tunja, Avenida Central del Norte # 39-115, ColombiaUniversidad Pedagógica y Tecnológica de Colombia, Grupo de Investigación en Materiales Siderúrgicos, sede Tunja, Avenida Central del Norte # 39-115, Colombia; Corresponding author.In this work, chromium depletion and its attenuation at different tempering temperatures dictated the loss and recovery of passivation of a novel hard high-nitrogen martensitic stainless steel (HNMSS) with a significant carbon content (0.7 wt%). During tempering from 300 to 600 °C, low temperatures induced little loss of corrosion resistance due to the reduced occurrence of secondary carbides, while intermediate temperatures around 500 °C caused expanded Cr-depleted regions around the carbides, leading to a collapse in corrosion resistance attributed to the loss of passivation (LOP) occurrence. Tempering at higher temperatures, despite promoting Cr-enriched carbides, facilitated the recovery of passivation (ROP) as the diffusion processes of Cr from the martensitic matrix are enhanced at elevated temperatures, restoring much of the initial corrosion resistance of the as-quenched alloy. This work contributes to the design of HNMSS with a balanced combination of mechanical and electrochemical properties, which are essential for ensuring durable tools that are exposed to corrosion and wear threats.http://www.sciencedirect.com/science/article/pii/S2238785425020496Martensitic stainless steelPassivityCorrosionHeat treatmentCALPHAD |
| spellingShingle | Pablo Miguel Coha-Vesga Francisco Gil Coury Guilherme Yuuki Koga Martín Emilio Mendoza-Oliveros Lais Mujica-Roncery Recovery of passivation (ROP) in high-nitrogen martensitic stainless steel: Preventing loss of passivation (LOP) via heat treatment Journal of Materials Research and Technology Martensitic stainless steel Passivity Corrosion Heat treatment CALPHAD |
| title | Recovery of passivation (ROP) in high-nitrogen martensitic stainless steel: Preventing loss of passivation (LOP) via heat treatment |
| title_full | Recovery of passivation (ROP) in high-nitrogen martensitic stainless steel: Preventing loss of passivation (LOP) via heat treatment |
| title_fullStr | Recovery of passivation (ROP) in high-nitrogen martensitic stainless steel: Preventing loss of passivation (LOP) via heat treatment |
| title_full_unstemmed | Recovery of passivation (ROP) in high-nitrogen martensitic stainless steel: Preventing loss of passivation (LOP) via heat treatment |
| title_short | Recovery of passivation (ROP) in high-nitrogen martensitic stainless steel: Preventing loss of passivation (LOP) via heat treatment |
| title_sort | recovery of passivation rop in high nitrogen martensitic stainless steel preventing loss of passivation lop via heat treatment |
| topic | Martensitic stainless steel Passivity Corrosion Heat treatment CALPHAD |
| url | http://www.sciencedirect.com/science/article/pii/S2238785425020496 |
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