Dynamic Recrystallization Behavior of Q370qE Bridge Steel
Abstract Bridge steel has been widely used in recent years for its excellent performance. Understanding the high-temperature Dynamic Recrystallization (DRX) behavior of high-performance bridge steel plays an important role in guiding the thermomechanical processing process. In the present study, the...
| Main Authors: | , , , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
SpringerOpen
2023-10-01
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| Series: | Chinese Journal of Mechanical Engineering |
| Subjects: | |
| Online Access: | https://doi.org/10.1186/s10033-023-00919-0 |
| _version_ | 1827635349540569088 |
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| author | Caiyi Liu Shicheng Liang Yan Peng Jianliang Sun Carlo Mapelli Silvia Barella Andrea Gruttadauria Marco Belfi Ludovica Rovatti |
| author_facet | Caiyi Liu Shicheng Liang Yan Peng Jianliang Sun Carlo Mapelli Silvia Barella Andrea Gruttadauria Marco Belfi Ludovica Rovatti |
| author_sort | Caiyi Liu |
| collection | DOAJ |
| description | Abstract Bridge steel has been widely used in recent years for its excellent performance. Understanding the high-temperature Dynamic Recrystallization (DRX) behavior of high-performance bridge steel plays an important role in guiding the thermomechanical processing process. In the present study, the hot deformation behavior of Q370qE bridge steel was investigated by hot compression tests conducted on a Gleeble 3800-GTC thermal-mechanical physical simulation system at temperatures ranging from 900 ℃ to 1100 ℃ and strain rates ranging from 0.01 s−1 to 10 s−1. The obtained results were used to plot the true stress-strain and work-hardening rate curves of the experimental steel, with the latter curves used to determine the critical strains for the initiation of DRX. The Zener-Hollomon equation was subsequently applied to establish the correspondence between temperature and strain rate during the high-temperature plastic deformation of bridge steel. In terms of the DRX volume fraction solution, a new method for establishing DRX volume fraction was proposed based on two theoretical models. The good weathering and corrosion resistance of bridge steel lead to difficulties in microstructure etching. To solve this, the MTEX technology was used to further develop EBSD data to characterize the original microstructure of Q370qE bridge steel. This paper lays the theoretical foundation for studying the DRX behavior of Q370qE bridge steel. |
| first_indexed | 2024-03-09T15:25:31Z |
| format | Article |
| id | doaj.art-a638afa26fa24128b61e14941727dfd4 |
| institution | Directory Open Access Journal |
| issn | 2192-8258 |
| language | English |
| last_indexed | 2024-03-09T15:25:31Z |
| publishDate | 2023-10-01 |
| publisher | SpringerOpen |
| record_format | Article |
| series | Chinese Journal of Mechanical Engineering |
| spelling | doaj.art-a638afa26fa24128b61e14941727dfd42023-11-26T12:32:42ZengSpringerOpenChinese Journal of Mechanical Engineering2192-82582023-10-0136111110.1186/s10033-023-00919-0Dynamic Recrystallization Behavior of Q370qE Bridge SteelCaiyi Liu0Shicheng Liang1Yan Peng2Jianliang Sun3Carlo Mapelli4Silvia Barella5Andrea Gruttadauria6Marco Belfi7Ludovica Rovatti8National Engineering Research Center for Equipment and Technology of Cold Roll Strip Rolling, Yanshan UniversityNational Engineering Research Center for Equipment and Technology of Cold Roll Strip Rolling, Yanshan UniversityNational Engineering Research Center for Equipment and Technology of Cold Roll Strip Rolling, Yanshan UniversityNational Engineering Research Center for Equipment and Technology of Cold Roll Strip Rolling, Yanshan UniversityDepartment of Mechanical Engineering, Politecnico di MilanoDepartment of Mechanical Engineering, Politecnico di MilanoDepartment of Mechanical Engineering, Politecnico di MilanoDepartment of Mechanical Engineering, Politecnico di MilanoDepartment of Mechanical Engineering, Politecnico di MilanoAbstract Bridge steel has been widely used in recent years for its excellent performance. Understanding the high-temperature Dynamic Recrystallization (DRX) behavior of high-performance bridge steel plays an important role in guiding the thermomechanical processing process. In the present study, the hot deformation behavior of Q370qE bridge steel was investigated by hot compression tests conducted on a Gleeble 3800-GTC thermal-mechanical physical simulation system at temperatures ranging from 900 ℃ to 1100 ℃ and strain rates ranging from 0.01 s−1 to 10 s−1. The obtained results were used to plot the true stress-strain and work-hardening rate curves of the experimental steel, with the latter curves used to determine the critical strains for the initiation of DRX. The Zener-Hollomon equation was subsequently applied to establish the correspondence between temperature and strain rate during the high-temperature plastic deformation of bridge steel. In terms of the DRX volume fraction solution, a new method for establishing DRX volume fraction was proposed based on two theoretical models. The good weathering and corrosion resistance of bridge steel lead to difficulties in microstructure etching. To solve this, the MTEX technology was used to further develop EBSD data to characterize the original microstructure of Q370qE bridge steel. This paper lays the theoretical foundation for studying the DRX behavior of Q370qE bridge steel.https://doi.org/10.1186/s10033-023-00919-0Dynamic recrystallizationMaterials characterizationHot deformationDRX volume fraction model |
| spellingShingle | Caiyi Liu Shicheng Liang Yan Peng Jianliang Sun Carlo Mapelli Silvia Barella Andrea Gruttadauria Marco Belfi Ludovica Rovatti Dynamic Recrystallization Behavior of Q370qE Bridge Steel Chinese Journal of Mechanical Engineering Dynamic recrystallization Materials characterization Hot deformation DRX volume fraction model |
| title | Dynamic Recrystallization Behavior of Q370qE Bridge Steel |
| title_full | Dynamic Recrystallization Behavior of Q370qE Bridge Steel |
| title_fullStr | Dynamic Recrystallization Behavior of Q370qE Bridge Steel |
| title_full_unstemmed | Dynamic Recrystallization Behavior of Q370qE Bridge Steel |
| title_short | Dynamic Recrystallization Behavior of Q370qE Bridge Steel |
| title_sort | dynamic recrystallization behavior of q370qe bridge steel |
| topic | Dynamic recrystallization Materials characterization Hot deformation DRX volume fraction model |
| url | https://doi.org/10.1186/s10033-023-00919-0 |
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