Precipitation Versus Partitioning Kinetics during the Quenching of Low-Carbon Martensitic Steels
Low-carbon, low-alloy steels undergo auto-tempering and carbon partitioning to austenite during quenching to martensite. The microstructures of two such steels quenched at two cooling rates have been evaluated using electron microscopy to characterise lath and carbide precipitate morphologies, and t...
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| Format: | Article |
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MDPI AG
2020-06-01
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| Series: | Metals |
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| Online Access: | https://www.mdpi.com/2075-4701/10/7/850 |
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| author | Shashank Ramesh Babu Matias Jaskari Antti Jarvenpää Thomas Paul Davis Jukka Kömi David Porter |
| author_facet | Shashank Ramesh Babu Matias Jaskari Antti Jarvenpää Thomas Paul Davis Jukka Kömi David Porter |
| author_sort | Shashank Ramesh Babu |
| collection | DOAJ |
| description | Low-carbon, low-alloy steels undergo auto-tempering and carbon partitioning to austenite during quenching to martensite. The microstructures of two such steels quenched at two cooling rates have been evaluated using electron microscopy to characterise lath and carbide precipitate morphologies, and the results have been compared with theoretical predictions based on the Thermo-Calc modules DICTRA and TC-Prisma. The modelling tools predicted the carbon depletion rates due to diffusion from the bcc martensite laths into austenite and the precipitation of cementite in the ferrite matrix. The predictions showed a satisfactory agreement with the metallographic results, indicating that the Thermo-Calc based software can aid in the design of new low-carbon martensitic steels. |
| first_indexed | 2024-03-10T18:51:50Z |
| format | Article |
| id | doaj.art-de1a798966424cefbaa773848a088308 |
| institution | Directory Open Access Journal |
| issn | 2075-4701 |
| language | English |
| last_indexed | 2024-03-10T18:51:50Z |
| publishDate | 2020-06-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Metals |
| spelling | doaj.art-de1a798966424cefbaa773848a0883082023-11-20T05:08:52ZengMDPI AGMetals2075-47012020-06-0110785010.3390/met10070850Precipitation Versus Partitioning Kinetics during the Quenching of Low-Carbon Martensitic SteelsShashank Ramesh Babu0Matias Jaskari1Antti Jarvenpää2Thomas Paul Davis3Jukka Kömi4David Porter5Materials and Mechanical Engineering, Centre for Advanced Steels Research, University of Oulu, 90014 Oulu, FinlandKerttu Saalasti Institute, University of Oulu, Pajatie 5, FI-85500 Nivala, FinlandKerttu Saalasti Institute, University of Oulu, Pajatie 5, FI-85500 Nivala, FinlandDepartment of Materials, University of Oxford, Parks Road, Oxford OX1 3PH, UKMaterials and Mechanical Engineering, Centre for Advanced Steels Research, University of Oulu, 90014 Oulu, FinlandMaterials and Mechanical Engineering, Centre for Advanced Steels Research, University of Oulu, 90014 Oulu, FinlandLow-carbon, low-alloy steels undergo auto-tempering and carbon partitioning to austenite during quenching to martensite. The microstructures of two such steels quenched at two cooling rates have been evaluated using electron microscopy to characterise lath and carbide precipitate morphologies, and the results have been compared with theoretical predictions based on the Thermo-Calc modules DICTRA and TC-Prisma. The modelling tools predicted the carbon depletion rates due to diffusion from the bcc martensite laths into austenite and the precipitation of cementite in the ferrite matrix. The predictions showed a satisfactory agreement with the metallographic results, indicating that the Thermo-Calc based software can aid in the design of new low-carbon martensitic steels.https://www.mdpi.com/2075-4701/10/7/850martensiteauto-temperingThermo-Calclow-carbon steelsquenching |
| spellingShingle | Shashank Ramesh Babu Matias Jaskari Antti Jarvenpää Thomas Paul Davis Jukka Kömi David Porter Precipitation Versus Partitioning Kinetics during the Quenching of Low-Carbon Martensitic Steels Metals martensite auto-tempering Thermo-Calc low-carbon steels quenching |
| title | Precipitation Versus Partitioning Kinetics during the Quenching of Low-Carbon Martensitic Steels |
| title_full | Precipitation Versus Partitioning Kinetics during the Quenching of Low-Carbon Martensitic Steels |
| title_fullStr | Precipitation Versus Partitioning Kinetics during the Quenching of Low-Carbon Martensitic Steels |
| title_full_unstemmed | Precipitation Versus Partitioning Kinetics during the Quenching of Low-Carbon Martensitic Steels |
| title_short | Precipitation Versus Partitioning Kinetics during the Quenching of Low-Carbon Martensitic Steels |
| title_sort | precipitation versus partitioning kinetics during the quenching of low carbon martensitic steels |
| topic | martensite auto-tempering Thermo-Calc low-carbon steels quenching |
| url | https://www.mdpi.com/2075-4701/10/7/850 |
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