On the Hot Deformation Behavior of a Ni-Free Austenitic Stainless Steel Interstitially Alloyed with Low Nitrogen Content
Abstract Hot deformation behavior of a Ni-free, Fe-17Cr-12Mn-0.28N-0.06C (wt.%) austenitic stainless steel, hereinafter coded as FeCrMnN, was investigated using hot compression tests conducted under different deformation conditions comprising temperature and strain rate ranges of 800-1200 °C and 0.0...
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| Autor*in: |
Khorshidi, H. [verfasserIn] |
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| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2018 |
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| Schlagwörter: |
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| Anmerkung: |
© ASM International 2018 |
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| Übergeordnetes Werk: |
Enthalten in: Journal of materials engineering and performance - Springer US, 1992, 27(2018), 12 vom: 21. Nov., Seite 6765-6779 |
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| Übergeordnetes Werk: |
volume:27 ; year:2018 ; number:12 ; day:21 ; month:11 ; pages:6765-6779 |
| Links: |
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| DOI / URN: |
10.1007/s11665-018-3766-z |
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| Katalog-ID: |
OLC2053072873 |
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| 520 | |a Abstract Hot deformation behavior of a Ni-free, Fe-17Cr-12Mn-0.28N-0.06C (wt.%) austenitic stainless steel, hereinafter coded as FeCrMnN, was investigated using hot compression tests conducted under different deformation conditions comprising temperature and strain rate ranges of 800-1200 °C and 0.01-10 $ s^{−1} $, respectively. While the hot deformation at high strain rate and low temperatures (e.g., 10 $ s^{−1} $ and 800 or 900 °C) showed essentially dynamic recovery, resulting in a pancake-shaped microstructure, most of the other conditions exhibited occurrence of dynamic recrystallization (DRX). Increasing deformation temperature and decreasing strain rate showed a decrease in the critical stress and strain for initiating DRX. In general, DRX resulted in extensive microstructural reconstitution and grain refinement. For instance, hot deformation at 1000 °C/0.01 $ s^{−1} $ resulted in a fully recrystallized fine-grained microstructure with an average grain size of about 15 μm in comparison with the initial grain size of 60 µm. Increasing the temperature enhanced grain growth, but an increase in strain rate resulted in a finer grain structure. The amount of delta ferrite in the present steel varied under different conditions of deformation such that the lowest amount of delta ferrite (about 4.5%) was observed at 1000 °C. The activation energy of deformation (Qdef) for the present FeCrMnN steel with the initial grain size of 60 µm was estimated to be about 502 kJ/mol, which is higher than that of the conventional austenitic stainless steels. | ||
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10.1007/s11665-018-3766-z doi (DE-627)OLC2053072873 (DE-He213)s11665-018-3766-z-p DE-627 ger DE-627 rakwb eng 620 660 670 VZ Khorshidi, H. verfasserin aut On the Hot Deformation Behavior of a Ni-Free Austenitic Stainless Steel Interstitially Alloyed with Low Nitrogen Content 2018 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © ASM International 2018 Abstract Hot deformation behavior of a Ni-free, Fe-17Cr-12Mn-0.28N-0.06C (wt.%) austenitic stainless steel, hereinafter coded as FeCrMnN, was investigated using hot compression tests conducted under different deformation conditions comprising temperature and strain rate ranges of 800-1200 °C and 0.01-10 $ s^{−1} $, respectively. While the hot deformation at high strain rate and low temperatures (e.g., 10 $ s^{−1} $ and 800 or 900 °C) showed essentially dynamic recovery, resulting in a pancake-shaped microstructure, most of the other conditions exhibited occurrence of dynamic recrystallization (DRX). Increasing deformation temperature and decreasing strain rate showed a decrease in the critical stress and strain for initiating DRX. In general, DRX resulted in extensive microstructural reconstitution and grain refinement. For instance, hot deformation at 1000 °C/0.01 $ s^{−1} $ resulted in a fully recrystallized fine-grained microstructure with an average grain size of about 15 μm in comparison with the initial grain size of 60 µm. Increasing the temperature enhanced grain growth, but an increase in strain rate resulted in a finer grain structure. The amount of delta ferrite in the present steel varied under different conditions of deformation such that the lowest amount of delta ferrite (about 4.5%) was observed at 1000 °C. The activation energy of deformation (Qdef) for the present FeCrMnN steel with the initial grain size of 60 µm was estimated to be about 502 kJ/mol, which is higher than that of the conventional austenitic stainless steels. activation energy of deformation dynamic recovery dynamic recrystallization hot deformation Ni-free austenitic stainless steel Kermanpur, A. aut Somani, M. C. aut Najafizadeh, A. aut Enthalten in Journal of materials engineering and performance Springer US, 1992 27(2018), 12 vom: 21. Nov., Seite 6765-6779 (DE-627)131147366 (DE-600)1129075-4 (DE-576)033027250 1059-9495 nnns volume:27 year:2018 number:12 day:21 month:11 pages:6765-6779 https://doi.org/10.1007/s11665-018-3766-z lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_70 AR 27 2018 12 21 11 6765-6779 |
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10.1007/s11665-018-3766-z doi (DE-627)OLC2053072873 (DE-He213)s11665-018-3766-z-p DE-627 ger DE-627 rakwb eng 620 660 670 VZ Khorshidi, H. verfasserin aut On the Hot Deformation Behavior of a Ni-Free Austenitic Stainless Steel Interstitially Alloyed with Low Nitrogen Content 2018 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © ASM International 2018 Abstract Hot deformation behavior of a Ni-free, Fe-17Cr-12Mn-0.28N-0.06C (wt.%) austenitic stainless steel, hereinafter coded as FeCrMnN, was investigated using hot compression tests conducted under different deformation conditions comprising temperature and strain rate ranges of 800-1200 °C and 0.01-10 $ s^{−1} $, respectively. While the hot deformation at high strain rate and low temperatures (e.g., 10 $ s^{−1} $ and 800 or 900 °C) showed essentially dynamic recovery, resulting in a pancake-shaped microstructure, most of the other conditions exhibited occurrence of dynamic recrystallization (DRX). Increasing deformation temperature and decreasing strain rate showed a decrease in the critical stress and strain for initiating DRX. In general, DRX resulted in extensive microstructural reconstitution and grain refinement. For instance, hot deformation at 1000 °C/0.01 $ s^{−1} $ resulted in a fully recrystallized fine-grained microstructure with an average grain size of about 15 μm in comparison with the initial grain size of 60 µm. Increasing the temperature enhanced grain growth, but an increase in strain rate resulted in a finer grain structure. The amount of delta ferrite in the present steel varied under different conditions of deformation such that the lowest amount of delta ferrite (about 4.5%) was observed at 1000 °C. The activation energy of deformation (Qdef) for the present FeCrMnN steel with the initial grain size of 60 µm was estimated to be about 502 kJ/mol, which is higher than that of the conventional austenitic stainless steels. activation energy of deformation dynamic recovery dynamic recrystallization hot deformation Ni-free austenitic stainless steel Kermanpur, A. aut Somani, M. C. aut Najafizadeh, A. aut Enthalten in Journal of materials engineering and performance Springer US, 1992 27(2018), 12 vom: 21. Nov., Seite 6765-6779 (DE-627)131147366 (DE-600)1129075-4 (DE-576)033027250 1059-9495 nnns volume:27 year:2018 number:12 day:21 month:11 pages:6765-6779 https://doi.org/10.1007/s11665-018-3766-z lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_70 AR 27 2018 12 21 11 6765-6779 |
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10.1007/s11665-018-3766-z doi (DE-627)OLC2053072873 (DE-He213)s11665-018-3766-z-p DE-627 ger DE-627 rakwb eng 620 660 670 VZ Khorshidi, H. verfasserin aut On the Hot Deformation Behavior of a Ni-Free Austenitic Stainless Steel Interstitially Alloyed with Low Nitrogen Content 2018 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © ASM International 2018 Abstract Hot deformation behavior of a Ni-free, Fe-17Cr-12Mn-0.28N-0.06C (wt.%) austenitic stainless steel, hereinafter coded as FeCrMnN, was investigated using hot compression tests conducted under different deformation conditions comprising temperature and strain rate ranges of 800-1200 °C and 0.01-10 $ s^{−1} $, respectively. While the hot deformation at high strain rate and low temperatures (e.g., 10 $ s^{−1} $ and 800 or 900 °C) showed essentially dynamic recovery, resulting in a pancake-shaped microstructure, most of the other conditions exhibited occurrence of dynamic recrystallization (DRX). Increasing deformation temperature and decreasing strain rate showed a decrease in the critical stress and strain for initiating DRX. In general, DRX resulted in extensive microstructural reconstitution and grain refinement. For instance, hot deformation at 1000 °C/0.01 $ s^{−1} $ resulted in a fully recrystallized fine-grained microstructure with an average grain size of about 15 μm in comparison with the initial grain size of 60 µm. Increasing the temperature enhanced grain growth, but an increase in strain rate resulted in a finer grain structure. The amount of delta ferrite in the present steel varied under different conditions of deformation such that the lowest amount of delta ferrite (about 4.5%) was observed at 1000 °C. The activation energy of deformation (Qdef) for the present FeCrMnN steel with the initial grain size of 60 µm was estimated to be about 502 kJ/mol, which is higher than that of the conventional austenitic stainless steels. activation energy of deformation dynamic recovery dynamic recrystallization hot deformation Ni-free austenitic stainless steel Kermanpur, A. aut Somani, M. C. aut Najafizadeh, A. aut Enthalten in Journal of materials engineering and performance Springer US, 1992 27(2018), 12 vom: 21. Nov., Seite 6765-6779 (DE-627)131147366 (DE-600)1129075-4 (DE-576)033027250 1059-9495 nnns volume:27 year:2018 number:12 day:21 month:11 pages:6765-6779 https://doi.org/10.1007/s11665-018-3766-z lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_70 AR 27 2018 12 21 11 6765-6779 |
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10.1007/s11665-018-3766-z doi (DE-627)OLC2053072873 (DE-He213)s11665-018-3766-z-p DE-627 ger DE-627 rakwb eng 620 660 670 VZ Khorshidi, H. verfasserin aut On the Hot Deformation Behavior of a Ni-Free Austenitic Stainless Steel Interstitially Alloyed with Low Nitrogen Content 2018 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © ASM International 2018 Abstract Hot deformation behavior of a Ni-free, Fe-17Cr-12Mn-0.28N-0.06C (wt.%) austenitic stainless steel, hereinafter coded as FeCrMnN, was investigated using hot compression tests conducted under different deformation conditions comprising temperature and strain rate ranges of 800-1200 °C and 0.01-10 $ s^{−1} $, respectively. While the hot deformation at high strain rate and low temperatures (e.g., 10 $ s^{−1} $ and 800 or 900 °C) showed essentially dynamic recovery, resulting in a pancake-shaped microstructure, most of the other conditions exhibited occurrence of dynamic recrystallization (DRX). Increasing deformation temperature and decreasing strain rate showed a decrease in the critical stress and strain for initiating DRX. In general, DRX resulted in extensive microstructural reconstitution and grain refinement. For instance, hot deformation at 1000 °C/0.01 $ s^{−1} $ resulted in a fully recrystallized fine-grained microstructure with an average grain size of about 15 μm in comparison with the initial grain size of 60 µm. Increasing the temperature enhanced grain growth, but an increase in strain rate resulted in a finer grain structure. The amount of delta ferrite in the present steel varied under different conditions of deformation such that the lowest amount of delta ferrite (about 4.5%) was observed at 1000 °C. The activation energy of deformation (Qdef) for the present FeCrMnN steel with the initial grain size of 60 µm was estimated to be about 502 kJ/mol, which is higher than that of the conventional austenitic stainless steels. activation energy of deformation dynamic recovery dynamic recrystallization hot deformation Ni-free austenitic stainless steel Kermanpur, A. aut Somani, M. C. aut Najafizadeh, A. aut Enthalten in Journal of materials engineering and performance Springer US, 1992 27(2018), 12 vom: 21. Nov., Seite 6765-6779 (DE-627)131147366 (DE-600)1129075-4 (DE-576)033027250 1059-9495 nnns volume:27 year:2018 number:12 day:21 month:11 pages:6765-6779 https://doi.org/10.1007/s11665-018-3766-z lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_70 AR 27 2018 12 21 11 6765-6779 |
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10.1007/s11665-018-3766-z doi (DE-627)OLC2053072873 (DE-He213)s11665-018-3766-z-p DE-627 ger DE-627 rakwb eng 620 660 670 VZ Khorshidi, H. verfasserin aut On the Hot Deformation Behavior of a Ni-Free Austenitic Stainless Steel Interstitially Alloyed with Low Nitrogen Content 2018 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © ASM International 2018 Abstract Hot deformation behavior of a Ni-free, Fe-17Cr-12Mn-0.28N-0.06C (wt.%) austenitic stainless steel, hereinafter coded as FeCrMnN, was investigated using hot compression tests conducted under different deformation conditions comprising temperature and strain rate ranges of 800-1200 °C and 0.01-10 $ s^{−1} $, respectively. While the hot deformation at high strain rate and low temperatures (e.g., 10 $ s^{−1} $ and 800 or 900 °C) showed essentially dynamic recovery, resulting in a pancake-shaped microstructure, most of the other conditions exhibited occurrence of dynamic recrystallization (DRX). Increasing deformation temperature and decreasing strain rate showed a decrease in the critical stress and strain for initiating DRX. In general, DRX resulted in extensive microstructural reconstitution and grain refinement. For instance, hot deformation at 1000 °C/0.01 $ s^{−1} $ resulted in a fully recrystallized fine-grained microstructure with an average grain size of about 15 μm in comparison with the initial grain size of 60 µm. Increasing the temperature enhanced grain growth, but an increase in strain rate resulted in a finer grain structure. The amount of delta ferrite in the present steel varied under different conditions of deformation such that the lowest amount of delta ferrite (about 4.5%) was observed at 1000 °C. The activation energy of deformation (Qdef) for the present FeCrMnN steel with the initial grain size of 60 µm was estimated to be about 502 kJ/mol, which is higher than that of the conventional austenitic stainless steels. activation energy of deformation dynamic recovery dynamic recrystallization hot deformation Ni-free austenitic stainless steel Kermanpur, A. aut Somani, M. C. aut Najafizadeh, A. aut Enthalten in Journal of materials engineering and performance Springer US, 1992 27(2018), 12 vom: 21. Nov., Seite 6765-6779 (DE-627)131147366 (DE-600)1129075-4 (DE-576)033027250 1059-9495 nnns volume:27 year:2018 number:12 day:21 month:11 pages:6765-6779 https://doi.org/10.1007/s11665-018-3766-z lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_70 AR 27 2018 12 21 11 6765-6779 |
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On the Hot Deformation Behavior of a Ni-Free Austenitic Stainless Steel Interstitially Alloyed with Low Nitrogen Content |
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On the Hot Deformation Behavior of a Ni-Free Austenitic Stainless Steel Interstitially Alloyed with Low Nitrogen Content |
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Khorshidi, H. |
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Journal of materials engineering and performance |
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Khorshidi, H. Kermanpur, A. Somani, M. C. Najafizadeh, A. |
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on the hot deformation behavior of a ni-free austenitic stainless steel interstitially alloyed with low nitrogen content |
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On the Hot Deformation Behavior of a Ni-Free Austenitic Stainless Steel Interstitially Alloyed with Low Nitrogen Content |
| abstract |
Abstract Hot deformation behavior of a Ni-free, Fe-17Cr-12Mn-0.28N-0.06C (wt.%) austenitic stainless steel, hereinafter coded as FeCrMnN, was investigated using hot compression tests conducted under different deformation conditions comprising temperature and strain rate ranges of 800-1200 °C and 0.01-10 $ s^{−1} $, respectively. While the hot deformation at high strain rate and low temperatures (e.g., 10 $ s^{−1} $ and 800 or 900 °C) showed essentially dynamic recovery, resulting in a pancake-shaped microstructure, most of the other conditions exhibited occurrence of dynamic recrystallization (DRX). Increasing deformation temperature and decreasing strain rate showed a decrease in the critical stress and strain for initiating DRX. In general, DRX resulted in extensive microstructural reconstitution and grain refinement. For instance, hot deformation at 1000 °C/0.01 $ s^{−1} $ resulted in a fully recrystallized fine-grained microstructure with an average grain size of about 15 μm in comparison with the initial grain size of 60 µm. Increasing the temperature enhanced grain growth, but an increase in strain rate resulted in a finer grain structure. The amount of delta ferrite in the present steel varied under different conditions of deformation such that the lowest amount of delta ferrite (about 4.5%) was observed at 1000 °C. The activation energy of deformation (Qdef) for the present FeCrMnN steel with the initial grain size of 60 µm was estimated to be about 502 kJ/mol, which is higher than that of the conventional austenitic stainless steels. © ASM International 2018 |
| abstractGer |
Abstract Hot deformation behavior of a Ni-free, Fe-17Cr-12Mn-0.28N-0.06C (wt.%) austenitic stainless steel, hereinafter coded as FeCrMnN, was investigated using hot compression tests conducted under different deformation conditions comprising temperature and strain rate ranges of 800-1200 °C and 0.01-10 $ s^{−1} $, respectively. While the hot deformation at high strain rate and low temperatures (e.g., 10 $ s^{−1} $ and 800 or 900 °C) showed essentially dynamic recovery, resulting in a pancake-shaped microstructure, most of the other conditions exhibited occurrence of dynamic recrystallization (DRX). Increasing deformation temperature and decreasing strain rate showed a decrease in the critical stress and strain for initiating DRX. In general, DRX resulted in extensive microstructural reconstitution and grain refinement. For instance, hot deformation at 1000 °C/0.01 $ s^{−1} $ resulted in a fully recrystallized fine-grained microstructure with an average grain size of about 15 μm in comparison with the initial grain size of 60 µm. Increasing the temperature enhanced grain growth, but an increase in strain rate resulted in a finer grain structure. The amount of delta ferrite in the present steel varied under different conditions of deformation such that the lowest amount of delta ferrite (about 4.5%) was observed at 1000 °C. The activation energy of deformation (Qdef) for the present FeCrMnN steel with the initial grain size of 60 µm was estimated to be about 502 kJ/mol, which is higher than that of the conventional austenitic stainless steels. © ASM International 2018 |
| abstract_unstemmed |
Abstract Hot deformation behavior of a Ni-free, Fe-17Cr-12Mn-0.28N-0.06C (wt.%) austenitic stainless steel, hereinafter coded as FeCrMnN, was investigated using hot compression tests conducted under different deformation conditions comprising temperature and strain rate ranges of 800-1200 °C and 0.01-10 $ s^{−1} $, respectively. While the hot deformation at high strain rate and low temperatures (e.g., 10 $ s^{−1} $ and 800 or 900 °C) showed essentially dynamic recovery, resulting in a pancake-shaped microstructure, most of the other conditions exhibited occurrence of dynamic recrystallization (DRX). Increasing deformation temperature and decreasing strain rate showed a decrease in the critical stress and strain for initiating DRX. In general, DRX resulted in extensive microstructural reconstitution and grain refinement. For instance, hot deformation at 1000 °C/0.01 $ s^{−1} $ resulted in a fully recrystallized fine-grained microstructure with an average grain size of about 15 μm in comparison with the initial grain size of 60 µm. Increasing the temperature enhanced grain growth, but an increase in strain rate resulted in a finer grain structure. The amount of delta ferrite in the present steel varied under different conditions of deformation such that the lowest amount of delta ferrite (about 4.5%) was observed at 1000 °C. The activation energy of deformation (Qdef) for the present FeCrMnN steel with the initial grain size of 60 µm was estimated to be about 502 kJ/mol, which is higher than that of the conventional austenitic stainless steels. © ASM International 2018 |
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On the Hot Deformation Behavior of a Ni-Free Austenitic Stainless Steel Interstitially Alloyed with Low Nitrogen Content |
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Kermanpur, A. Somani, M. C. Najafizadeh, A. |
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