Diffusion-controlled growth and Coarsening of MnS during Hot Deformation
Abstract The growth and coarsening kinetics of MnS precipitation were investigated during the hot deformation of electrical steels. The size distributions of the MnS particles in the three tested steels were followed at 800 °C, 900 °C, and 1000 °C, and the relevant precipitation start(Ps) and finish...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Sun, W. P. [verfasserIn] |
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| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
1992 |
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| Schlagwörter: |
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| Anmerkung: |
© The Minerals, Metals and Materials Society, and ASM International 1992 |
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| Übergeordnetes Werk: |
Enthalten in: Metallurgical and materials transactions / A - Springer New York, 1994, 23(1992), 11 vom: 01. Nov., Seite 3013-3023 |
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| Übergeordnetes Werk: |
volume:23 ; year:1992 ; number:11 ; day:01 ; month:11 ; pages:3013-3023 |
| Links: |
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| DOI / URN: |
10.1007/BF02646119 |
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OLC205397740X |
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| 245 | 1 | 0 | |a Diffusion-controlled growth and Coarsening of MnS during Hot Deformation |
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| 520 | |a Abstract The growth and coarsening kinetics of MnS precipitation were investigated during the hot deformation of electrical steels. The size distributions of the MnS particles in the three tested steels were followed at 800 °C, 900 °C, and 1000 °C, and the relevant precipitation start(Ps) and finish(Pf) times were also determined. The results show that the growth of these precip- itates obeys a parabolic law and is controlled by the diffusion of Mn atoms. Since the Mn concentration at the particle/matrix interface $ X^{1} $Mn is far below the equilibrium solubility $ X^{e} $Mn, the growth rate increases with increasing overall Mn concentration. Analysis of the experimental data demonstrates that the effective diffusivity of Mn during particle growth is increasingly modified by pipe diffusion as the temperature is decreased. The experimental results regarding coarsening indicate that the kinetics during this stage are limited mainly by bulk diffusion at the lowest temperature. However, both bulk and grain boundary diffusion processes become rate controlling at the two higher temperatures. The latter process appears to become more and more important as the temperature is raised, a trend which can be attributed to the location of an increasing fraction of the MnS precipitates at the grain boundaries. | ||
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| 650 | 4 | |a Electrical Steel | |
| 650 | 4 | |a Pipe Diffusion | |
| 650 | 4 | |a Creep Time | |
| 700 | 1 | |a Militzer, M. |4 aut | |
| 700 | 1 | |a Jonas, J. J. |4 aut | |
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10.1007/BF02646119 doi (DE-627)OLC205397740X (DE-He213)BF02646119-p DE-627 ger DE-627 rakwb eng 670 530 VZ 19,1 ssgn Sun, W. P. verfasserin aut Diffusion-controlled growth and Coarsening of MnS during Hot Deformation 1992 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © The Minerals, Metals and Materials Society, and ASM International 1992 Abstract The growth and coarsening kinetics of MnS precipitation were investigated during the hot deformation of electrical steels. The size distributions of the MnS particles in the three tested steels were followed at 800 °C, 900 °C, and 1000 °C, and the relevant precipitation start(Ps) and finish(Pf) times were also determined. The results show that the growth of these precip- itates obeys a parabolic law and is controlled by the diffusion of Mn atoms. Since the Mn concentration at the particle/matrix interface $ X^{1} $Mn is far below the equilibrium solubility $ X^{e} $Mn, the growth rate increases with increasing overall Mn concentration. Analysis of the experimental data demonstrates that the effective diffusivity of Mn during particle growth is increasingly modified by pipe diffusion as the temperature is decreased. The experimental results regarding coarsening indicate that the kinetics during this stage are limited mainly by bulk diffusion at the lowest temperature. However, both bulk and grain boundary diffusion processes become rate controlling at the two higher temperatures. The latter process appears to become more and more important as the temperature is raised, a trend which can be attributed to the location of an increasing fraction of the MnS precipitates at the grain boundaries. Metallurgical Transaction Bulk Diffusion Electrical Steel Pipe Diffusion Creep Time Militzer, M. aut Jonas, J. J. aut Enthalten in Metallurgical and materials transactions / A Springer New York, 1994 23(1992), 11 vom: 01. Nov., Seite 3013-3023 (DE-627)171342011 (DE-600)1179415-X (DE-576)038876930 1073-5623 nnns volume:23 year:1992 number:11 day:01 month:11 pages:3013-3023 https://doi.org/10.1007/BF02646119 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY AR 23 1992 11 01 11 3013-3023 |
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10.1007/BF02646119 doi (DE-627)OLC205397740X (DE-He213)BF02646119-p DE-627 ger DE-627 rakwb eng 670 530 VZ 19,1 ssgn Sun, W. P. verfasserin aut Diffusion-controlled growth and Coarsening of MnS during Hot Deformation 1992 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © The Minerals, Metals and Materials Society, and ASM International 1992 Abstract The growth and coarsening kinetics of MnS precipitation were investigated during the hot deformation of electrical steels. The size distributions of the MnS particles in the three tested steels were followed at 800 °C, 900 °C, and 1000 °C, and the relevant precipitation start(Ps) and finish(Pf) times were also determined. The results show that the growth of these precip- itates obeys a parabolic law and is controlled by the diffusion of Mn atoms. Since the Mn concentration at the particle/matrix interface $ X^{1} $Mn is far below the equilibrium solubility $ X^{e} $Mn, the growth rate increases with increasing overall Mn concentration. Analysis of the experimental data demonstrates that the effective diffusivity of Mn during particle growth is increasingly modified by pipe diffusion as the temperature is decreased. The experimental results regarding coarsening indicate that the kinetics during this stage are limited mainly by bulk diffusion at the lowest temperature. However, both bulk and grain boundary diffusion processes become rate controlling at the two higher temperatures. The latter process appears to become more and more important as the temperature is raised, a trend which can be attributed to the location of an increasing fraction of the MnS precipitates at the grain boundaries. Metallurgical Transaction Bulk Diffusion Electrical Steel Pipe Diffusion Creep Time Militzer, M. aut Jonas, J. J. aut Enthalten in Metallurgical and materials transactions / A Springer New York, 1994 23(1992), 11 vom: 01. Nov., Seite 3013-3023 (DE-627)171342011 (DE-600)1179415-X (DE-576)038876930 1073-5623 nnns volume:23 year:1992 number:11 day:01 month:11 pages:3013-3023 https://doi.org/10.1007/BF02646119 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY AR 23 1992 11 01 11 3013-3023 |
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10.1007/BF02646119 doi (DE-627)OLC205397740X (DE-He213)BF02646119-p DE-627 ger DE-627 rakwb eng 670 530 VZ 19,1 ssgn Sun, W. P. verfasserin aut Diffusion-controlled growth and Coarsening of MnS during Hot Deformation 1992 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © The Minerals, Metals and Materials Society, and ASM International 1992 Abstract The growth and coarsening kinetics of MnS precipitation were investigated during the hot deformation of electrical steels. The size distributions of the MnS particles in the three tested steels were followed at 800 °C, 900 °C, and 1000 °C, and the relevant precipitation start(Ps) and finish(Pf) times were also determined. The results show that the growth of these precip- itates obeys a parabolic law and is controlled by the diffusion of Mn atoms. Since the Mn concentration at the particle/matrix interface $ X^{1} $Mn is far below the equilibrium solubility $ X^{e} $Mn, the growth rate increases with increasing overall Mn concentration. Analysis of the experimental data demonstrates that the effective diffusivity of Mn during particle growth is increasingly modified by pipe diffusion as the temperature is decreased. The experimental results regarding coarsening indicate that the kinetics during this stage are limited mainly by bulk diffusion at the lowest temperature. However, both bulk and grain boundary diffusion processes become rate controlling at the two higher temperatures. The latter process appears to become more and more important as the temperature is raised, a trend which can be attributed to the location of an increasing fraction of the MnS precipitates at the grain boundaries. Metallurgical Transaction Bulk Diffusion Electrical Steel Pipe Diffusion Creep Time Militzer, M. aut Jonas, J. J. aut Enthalten in Metallurgical and materials transactions / A Springer New York, 1994 23(1992), 11 vom: 01. Nov., Seite 3013-3023 (DE-627)171342011 (DE-600)1179415-X (DE-576)038876930 1073-5623 nnns volume:23 year:1992 number:11 day:01 month:11 pages:3013-3023 https://doi.org/10.1007/BF02646119 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY AR 23 1992 11 01 11 3013-3023 |
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10.1007/BF02646119 doi (DE-627)OLC205397740X (DE-He213)BF02646119-p DE-627 ger DE-627 rakwb eng 670 530 VZ 19,1 ssgn Sun, W. P. verfasserin aut Diffusion-controlled growth and Coarsening of MnS during Hot Deformation 1992 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © The Minerals, Metals and Materials Society, and ASM International 1992 Abstract The growth and coarsening kinetics of MnS precipitation were investigated during the hot deformation of electrical steels. The size distributions of the MnS particles in the three tested steels were followed at 800 °C, 900 °C, and 1000 °C, and the relevant precipitation start(Ps) and finish(Pf) times were also determined. The results show that the growth of these precip- itates obeys a parabolic law and is controlled by the diffusion of Mn atoms. Since the Mn concentration at the particle/matrix interface $ X^{1} $Mn is far below the equilibrium solubility $ X^{e} $Mn, the growth rate increases with increasing overall Mn concentration. Analysis of the experimental data demonstrates that the effective diffusivity of Mn during particle growth is increasingly modified by pipe diffusion as the temperature is decreased. The experimental results regarding coarsening indicate that the kinetics during this stage are limited mainly by bulk diffusion at the lowest temperature. However, both bulk and grain boundary diffusion processes become rate controlling at the two higher temperatures. The latter process appears to become more and more important as the temperature is raised, a trend which can be attributed to the location of an increasing fraction of the MnS precipitates at the grain boundaries. Metallurgical Transaction Bulk Diffusion Electrical Steel Pipe Diffusion Creep Time Militzer, M. aut Jonas, J. J. aut Enthalten in Metallurgical and materials transactions / A Springer New York, 1994 23(1992), 11 vom: 01. Nov., Seite 3013-3023 (DE-627)171342011 (DE-600)1179415-X (DE-576)038876930 1073-5623 nnns volume:23 year:1992 number:11 day:01 month:11 pages:3013-3023 https://doi.org/10.1007/BF02646119 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY AR 23 1992 11 01 11 3013-3023 |
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10.1007/BF02646119 doi (DE-627)OLC205397740X (DE-He213)BF02646119-p DE-627 ger DE-627 rakwb eng 670 530 VZ 19,1 ssgn Sun, W. P. verfasserin aut Diffusion-controlled growth and Coarsening of MnS during Hot Deformation 1992 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © The Minerals, Metals and Materials Society, and ASM International 1992 Abstract The growth and coarsening kinetics of MnS precipitation were investigated during the hot deformation of electrical steels. The size distributions of the MnS particles in the three tested steels were followed at 800 °C, 900 °C, and 1000 °C, and the relevant precipitation start(Ps) and finish(Pf) times were also determined. The results show that the growth of these precip- itates obeys a parabolic law and is controlled by the diffusion of Mn atoms. Since the Mn concentration at the particle/matrix interface $ X^{1} $Mn is far below the equilibrium solubility $ X^{e} $Mn, the growth rate increases with increasing overall Mn concentration. Analysis of the experimental data demonstrates that the effective diffusivity of Mn during particle growth is increasingly modified by pipe diffusion as the temperature is decreased. The experimental results regarding coarsening indicate that the kinetics during this stage are limited mainly by bulk diffusion at the lowest temperature. However, both bulk and grain boundary diffusion processes become rate controlling at the two higher temperatures. The latter process appears to become more and more important as the temperature is raised, a trend which can be attributed to the location of an increasing fraction of the MnS precipitates at the grain boundaries. Metallurgical Transaction Bulk Diffusion Electrical Steel Pipe Diffusion Creep Time Militzer, M. aut Jonas, J. J. aut Enthalten in Metallurgical and materials transactions / A Springer New York, 1994 23(1992), 11 vom: 01. Nov., Seite 3013-3023 (DE-627)171342011 (DE-600)1179415-X (DE-576)038876930 1073-5623 nnns volume:23 year:1992 number:11 day:01 month:11 pages:3013-3023 https://doi.org/10.1007/BF02646119 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY AR 23 1992 11 01 11 3013-3023 |
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Diffusion-controlled growth and Coarsening of MnS during Hot Deformation |
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Abstract The growth and coarsening kinetics of MnS precipitation were investigated during the hot deformation of electrical steels. The size distributions of the MnS particles in the three tested steels were followed at 800 °C, 900 °C, and 1000 °C, and the relevant precipitation start(Ps) and finish(Pf) times were also determined. The results show that the growth of these precip- itates obeys a parabolic law and is controlled by the diffusion of Mn atoms. Since the Mn concentration at the particle/matrix interface $ X^{1} $Mn is far below the equilibrium solubility $ X^{e} $Mn, the growth rate increases with increasing overall Mn concentration. Analysis of the experimental data demonstrates that the effective diffusivity of Mn during particle growth is increasingly modified by pipe diffusion as the temperature is decreased. The experimental results regarding coarsening indicate that the kinetics during this stage are limited mainly by bulk diffusion at the lowest temperature. However, both bulk and grain boundary diffusion processes become rate controlling at the two higher temperatures. The latter process appears to become more and more important as the temperature is raised, a trend which can be attributed to the location of an increasing fraction of the MnS precipitates at the grain boundaries. © The Minerals, Metals and Materials Society, and ASM International 1992 |
| abstractGer |
Abstract The growth and coarsening kinetics of MnS precipitation were investigated during the hot deformation of electrical steels. The size distributions of the MnS particles in the three tested steels were followed at 800 °C, 900 °C, and 1000 °C, and the relevant precipitation start(Ps) and finish(Pf) times were also determined. The results show that the growth of these precip- itates obeys a parabolic law and is controlled by the diffusion of Mn atoms. Since the Mn concentration at the particle/matrix interface $ X^{1} $Mn is far below the equilibrium solubility $ X^{e} $Mn, the growth rate increases with increasing overall Mn concentration. Analysis of the experimental data demonstrates that the effective diffusivity of Mn during particle growth is increasingly modified by pipe diffusion as the temperature is decreased. The experimental results regarding coarsening indicate that the kinetics during this stage are limited mainly by bulk diffusion at the lowest temperature. However, both bulk and grain boundary diffusion processes become rate controlling at the two higher temperatures. The latter process appears to become more and more important as the temperature is raised, a trend which can be attributed to the location of an increasing fraction of the MnS precipitates at the grain boundaries. © The Minerals, Metals and Materials Society, and ASM International 1992 |
| abstract_unstemmed |
Abstract The growth and coarsening kinetics of MnS precipitation were investigated during the hot deformation of electrical steels. The size distributions of the MnS particles in the three tested steels were followed at 800 °C, 900 °C, and 1000 °C, and the relevant precipitation start(Ps) and finish(Pf) times were also determined. The results show that the growth of these precip- itates obeys a parabolic law and is controlled by the diffusion of Mn atoms. Since the Mn concentration at the particle/matrix interface $ X^{1} $Mn is far below the equilibrium solubility $ X^{e} $Mn, the growth rate increases with increasing overall Mn concentration. Analysis of the experimental data demonstrates that the effective diffusivity of Mn during particle growth is increasingly modified by pipe diffusion as the temperature is decreased. The experimental results regarding coarsening indicate that the kinetics during this stage are limited mainly by bulk diffusion at the lowest temperature. However, both bulk and grain boundary diffusion processes become rate controlling at the two higher temperatures. The latter process appears to become more and more important as the temperature is raised, a trend which can be attributed to the location of an increasing fraction of the MnS precipitates at the grain boundaries. © The Minerals, Metals and Materials Society, and ASM International 1992 |
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Diffusion-controlled growth and Coarsening of MnS during Hot Deformation |
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https://doi.org/10.1007/BF02646119 |
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Militzer, M. Jonas, J. J. |
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