Holding Time Influence on the Hot Ductility Behavior of a Continuously Cast Low Alloy Steel
Cracking during the continuous casting process is undesirable and continuous work is being carried out to find further improvements and understand the mechanisms that lead to failure. Investigations on the hot ductility behavior of a continuously cast low alloyed steel using different holding times...
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| Format: | Article |
| Language: | English |
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MDPI AG
2020-12-01
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| Series: | Metals |
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| Online Access: | https://www.mdpi.com/2075-4701/11/1/64 |
| _version_ | 1797543034854834176 |
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| author | Marina Gontijo Christian Hoflehner Sergiu Ilie Jakob Six Christof Sommitsch |
| author_facet | Marina Gontijo Christian Hoflehner Sergiu Ilie Jakob Six Christof Sommitsch |
| author_sort | Marina Gontijo |
| collection | DOAJ |
| description | Cracking during the continuous casting process is undesirable and continuous work is being carried out to find further improvements and understand the mechanisms that lead to failure. Investigations on the hot ductility behavior of a continuously cast low alloyed steel using different holding times before straining were done in the present work. Samples were heated to melting temperature in a vacuum atmosphere and then cooled to one of the three test temperatures chosen: 750, 850, and 900 °C. When the desired temperature was reached, the sample was isothermally held for either 10, 90, 300, or 3600 s before the tensile test started, with a strain rate of 10<sup>−3</sup> s<sup>−1</sup>. The reduction of area was measured, SEM images of the fractured surfaces were taken plus LOM images for the analysis of the microstructure. The results show that there was no significant change in the ductility at any of the temperatures until 300 s, with a change in behavior at 3600 s. This was further confirmed with the images and precipitation kinetics simulations. The results are described and compared. |
| first_indexed | 2024-03-10T13:39:56Z |
| format | Article |
| id | doaj.art-abc28c5dbeba46c6942b717af4c6ae09 |
| institution | Directory Open Access Journal |
| issn | 2075-4701 |
| language | English |
| last_indexed | 2024-03-10T13:39:56Z |
| publishDate | 2020-12-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Metals |
| spelling | doaj.art-abc28c5dbeba46c6942b717af4c6ae092023-11-21T03:09:57ZengMDPI AGMetals2075-47012020-12-011116410.3390/met11010064Holding Time Influence on the Hot Ductility Behavior of a Continuously Cast Low Alloy SteelMarina Gontijo0Christian Hoflehner1Sergiu Ilie2Jakob Six3Christof Sommitsch4K1-MET GmbH, 4020 Linz, AustriaGraz University of Technology, Institute of Materials Science, Joining and Forming, Campus Neue Technik, 8010 Graz, Austriavoestalpine Stahl GmbH, 4020 Linz, Austriavoestalpine Stahl GmbH, 4020 Linz, AustriaGraz University of Technology, Institute of Materials Science, Joining and Forming, Campus Neue Technik, 8010 Graz, AustriaCracking during the continuous casting process is undesirable and continuous work is being carried out to find further improvements and understand the mechanisms that lead to failure. Investigations on the hot ductility behavior of a continuously cast low alloyed steel using different holding times before straining were done in the present work. Samples were heated to melting temperature in a vacuum atmosphere and then cooled to one of the three test temperatures chosen: 750, 850, and 900 °C. When the desired temperature was reached, the sample was isothermally held for either 10, 90, 300, or 3600 s before the tensile test started, with a strain rate of 10<sup>−3</sup> s<sup>−1</sup>. The reduction of area was measured, SEM images of the fractured surfaces were taken plus LOM images for the analysis of the microstructure. The results show that there was no significant change in the ductility at any of the temperatures until 300 s, with a change in behavior at 3600 s. This was further confirmed with the images and precipitation kinetics simulations. The results are described and compared.https://www.mdpi.com/2075-4701/11/1/64hot ductilitycontinuous castinglow alloysteelholding time |
| spellingShingle | Marina Gontijo Christian Hoflehner Sergiu Ilie Jakob Six Christof Sommitsch Holding Time Influence on the Hot Ductility Behavior of a Continuously Cast Low Alloy Steel Metals hot ductility continuous casting low alloy steel holding time |
| title | Holding Time Influence on the Hot Ductility Behavior of a Continuously Cast Low Alloy Steel |
| title_full | Holding Time Influence on the Hot Ductility Behavior of a Continuously Cast Low Alloy Steel |
| title_fullStr | Holding Time Influence on the Hot Ductility Behavior of a Continuously Cast Low Alloy Steel |
| title_full_unstemmed | Holding Time Influence on the Hot Ductility Behavior of a Continuously Cast Low Alloy Steel |
| title_short | Holding Time Influence on the Hot Ductility Behavior of a Continuously Cast Low Alloy Steel |
| title_sort | holding time influence on the hot ductility behavior of a continuously cast low alloy steel |
| topic | hot ductility continuous casting low alloy steel holding time |
| url | https://www.mdpi.com/2075-4701/11/1/64 |
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