Prediction of Forward Creep Behaviour from Stress Relaxation Data for a 10 % Cr Steel at 600 °C
Abstract To systematically characterise the effect of plasticity on the creep resistance of a 10 % Cr steel, strain-controlled monotonic and cyclic/hold tests have been isothermally conducted at 600 °C. In particular, this work focuses on the influence of the magnitude of plastic strain transient(s)...
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| Autor*in: |
Kalyanasundaram, Valliappa [verfasserIn] |
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| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2015 |
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| Schlagwörter: |
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| Anmerkung: |
© The Indian Institute of Metals - IIM 2015 |
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| Übergeordnetes Werk: |
Enthalten in: Transactions of the Indian Institute of Metals - Springer India, 1948, 69(2015), 2 vom: 18. Dez., Seite 573-578 |
|---|---|
| Übergeordnetes Werk: |
volume:69 ; year:2015 ; number:2 ; day:18 ; month:12 ; pages:573-578 |
| Links: |
|---|
| DOI / URN: |
10.1007/s12666-015-0776-5 |
|---|
| Katalog-ID: |
OLC2070825736 |
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| 520 | |a Abstract To systematically characterise the effect of plasticity on the creep resistance of a 10 % Cr steel, strain-controlled monotonic and cyclic/hold tests have been isothermally conducted at 600 °C. In particular, this work focuses on the influence of the magnitude of plastic strain transient(s) preceding the first peak tensile hold for two types of loading sequence. Along with the use of Norton–Bailey formulations assuming time- or strain-hardening, the effectiveness of a method developed by Woodford is explored for converting stress relaxation profiles to equivalent forward creep curves. For quantitative comparison and model validation, conventional creep tests have also been conducted on the same 10 % Cr steel at 600 °C for two different stress levels. Experimental results show that the creep deformation resistance of this steel is significantly reduced if the loading transient immediately preceding the hold is plastic. Furthermore, reduction in creep resistance is found to be more pronounced with increasing plastic strain amplitudes. Forward creep curve construction results indicate that all three assessment methodologies tend to offer qualitatively similar trends although the quantitative predictions differ slightly due to their respective underlying formulations. The creep-rate versus time plots for the constructed creep curves (until the attainment of steady-state conditions) also lead to a similar conclusion when compared with those from conventional creep tests. Finally, the successful implementation of the Woodford method to stress relaxation data from cyclic/hold tests broadens its current scope of applicability and its versatility can thus be further improved. | ||
| 650 | 4 | |a Creep–fatigue interaction | |
| 650 | 4 | |a Cyclic softening | |
| 650 | 4 | |a Stress relaxation | |
| 650 | 4 | |a Creep curve construction | |
| 650 | 4 | |a Woodford method | |
| 700 | 1 | |a Holdsworth, Stuart R. |4 aut | |
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10.1007/s12666-015-0776-5 doi (DE-627)OLC2070825736 (DE-He213)s12666-015-0776-5-p DE-627 ger DE-627 rakwb eng 620 660 670 VZ 19,1 ssgn Kalyanasundaram, Valliappa verfasserin (orcid)0000-0002-6774-6371 aut Prediction of Forward Creep Behaviour from Stress Relaxation Data for a 10 % Cr Steel at 600 °C 2015 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © The Indian Institute of Metals - IIM 2015 Abstract To systematically characterise the effect of plasticity on the creep resistance of a 10 % Cr steel, strain-controlled monotonic and cyclic/hold tests have been isothermally conducted at 600 °C. In particular, this work focuses on the influence of the magnitude of plastic strain transient(s) preceding the first peak tensile hold for two types of loading sequence. Along with the use of Norton–Bailey formulations assuming time- or strain-hardening, the effectiveness of a method developed by Woodford is explored for converting stress relaxation profiles to equivalent forward creep curves. For quantitative comparison and model validation, conventional creep tests have also been conducted on the same 10 % Cr steel at 600 °C for two different stress levels. Experimental results show that the creep deformation resistance of this steel is significantly reduced if the loading transient immediately preceding the hold is plastic. Furthermore, reduction in creep resistance is found to be more pronounced with increasing plastic strain amplitudes. Forward creep curve construction results indicate that all three assessment methodologies tend to offer qualitatively similar trends although the quantitative predictions differ slightly due to their respective underlying formulations. The creep-rate versus time plots for the constructed creep curves (until the attainment of steady-state conditions) also lead to a similar conclusion when compared with those from conventional creep tests. Finally, the successful implementation of the Woodford method to stress relaxation data from cyclic/hold tests broadens its current scope of applicability and its versatility can thus be further improved. Creep–fatigue interaction Cyclic softening Stress relaxation Creep curve construction Woodford method Holdsworth, Stuart R. aut Enthalten in Transactions of the Indian Institute of Metals Springer India, 1948 69(2015), 2 vom: 18. Dez., Seite 573-578 (DE-627)12936214X (DE-600)160952-X (DE-576)014734834 0972-2815 nnns volume:69 year:2015 number:2 day:18 month:12 pages:573-578 https://doi.org/10.1007/s12666-015-0776-5 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-GGO GBV_ILN_70 GBV_ILN_2027 AR 69 2015 2 18 12 573-578 |
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10.1007/s12666-015-0776-5 doi (DE-627)OLC2070825736 (DE-He213)s12666-015-0776-5-p DE-627 ger DE-627 rakwb eng 620 660 670 VZ 19,1 ssgn Kalyanasundaram, Valliappa verfasserin (orcid)0000-0002-6774-6371 aut Prediction of Forward Creep Behaviour from Stress Relaxation Data for a 10 % Cr Steel at 600 °C 2015 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © The Indian Institute of Metals - IIM 2015 Abstract To systematically characterise the effect of plasticity on the creep resistance of a 10 % Cr steel, strain-controlled monotonic and cyclic/hold tests have been isothermally conducted at 600 °C. In particular, this work focuses on the influence of the magnitude of plastic strain transient(s) preceding the first peak tensile hold for two types of loading sequence. Along with the use of Norton–Bailey formulations assuming time- or strain-hardening, the effectiveness of a method developed by Woodford is explored for converting stress relaxation profiles to equivalent forward creep curves. For quantitative comparison and model validation, conventional creep tests have also been conducted on the same 10 % Cr steel at 600 °C for two different stress levels. Experimental results show that the creep deformation resistance of this steel is significantly reduced if the loading transient immediately preceding the hold is plastic. Furthermore, reduction in creep resistance is found to be more pronounced with increasing plastic strain amplitudes. Forward creep curve construction results indicate that all three assessment methodologies tend to offer qualitatively similar trends although the quantitative predictions differ slightly due to their respective underlying formulations. The creep-rate versus time plots for the constructed creep curves (until the attainment of steady-state conditions) also lead to a similar conclusion when compared with those from conventional creep tests. Finally, the successful implementation of the Woodford method to stress relaxation data from cyclic/hold tests broadens its current scope of applicability and its versatility can thus be further improved. Creep–fatigue interaction Cyclic softening Stress relaxation Creep curve construction Woodford method Holdsworth, Stuart R. aut Enthalten in Transactions of the Indian Institute of Metals Springer India, 1948 69(2015), 2 vom: 18. Dez., Seite 573-578 (DE-627)12936214X (DE-600)160952-X (DE-576)014734834 0972-2815 nnns volume:69 year:2015 number:2 day:18 month:12 pages:573-578 https://doi.org/10.1007/s12666-015-0776-5 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-GGO GBV_ILN_70 GBV_ILN_2027 AR 69 2015 2 18 12 573-578 |
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10.1007/s12666-015-0776-5 doi (DE-627)OLC2070825736 (DE-He213)s12666-015-0776-5-p DE-627 ger DE-627 rakwb eng 620 660 670 VZ 19,1 ssgn Kalyanasundaram, Valliappa verfasserin (orcid)0000-0002-6774-6371 aut Prediction of Forward Creep Behaviour from Stress Relaxation Data for a 10 % Cr Steel at 600 °C 2015 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © The Indian Institute of Metals - IIM 2015 Abstract To systematically characterise the effect of plasticity on the creep resistance of a 10 % Cr steel, strain-controlled monotonic and cyclic/hold tests have been isothermally conducted at 600 °C. In particular, this work focuses on the influence of the magnitude of plastic strain transient(s) preceding the first peak tensile hold for two types of loading sequence. Along with the use of Norton–Bailey formulations assuming time- or strain-hardening, the effectiveness of a method developed by Woodford is explored for converting stress relaxation profiles to equivalent forward creep curves. For quantitative comparison and model validation, conventional creep tests have also been conducted on the same 10 % Cr steel at 600 °C for two different stress levels. Experimental results show that the creep deformation resistance of this steel is significantly reduced if the loading transient immediately preceding the hold is plastic. Furthermore, reduction in creep resistance is found to be more pronounced with increasing plastic strain amplitudes. Forward creep curve construction results indicate that all three assessment methodologies tend to offer qualitatively similar trends although the quantitative predictions differ slightly due to their respective underlying formulations. The creep-rate versus time plots for the constructed creep curves (until the attainment of steady-state conditions) also lead to a similar conclusion when compared with those from conventional creep tests. Finally, the successful implementation of the Woodford method to stress relaxation data from cyclic/hold tests broadens its current scope of applicability and its versatility can thus be further improved. Creep–fatigue interaction Cyclic softening Stress relaxation Creep curve construction Woodford method Holdsworth, Stuart R. aut Enthalten in Transactions of the Indian Institute of Metals Springer India, 1948 69(2015), 2 vom: 18. Dez., Seite 573-578 (DE-627)12936214X (DE-600)160952-X (DE-576)014734834 0972-2815 nnns volume:69 year:2015 number:2 day:18 month:12 pages:573-578 https://doi.org/10.1007/s12666-015-0776-5 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-GGO GBV_ILN_70 GBV_ILN_2027 AR 69 2015 2 18 12 573-578 |
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10.1007/s12666-015-0776-5 doi (DE-627)OLC2070825736 (DE-He213)s12666-015-0776-5-p DE-627 ger DE-627 rakwb eng 620 660 670 VZ 19,1 ssgn Kalyanasundaram, Valliappa verfasserin (orcid)0000-0002-6774-6371 aut Prediction of Forward Creep Behaviour from Stress Relaxation Data for a 10 % Cr Steel at 600 °C 2015 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © The Indian Institute of Metals - IIM 2015 Abstract To systematically characterise the effect of plasticity on the creep resistance of a 10 % Cr steel, strain-controlled monotonic and cyclic/hold tests have been isothermally conducted at 600 °C. In particular, this work focuses on the influence of the magnitude of plastic strain transient(s) preceding the first peak tensile hold for two types of loading sequence. Along with the use of Norton–Bailey formulations assuming time- or strain-hardening, the effectiveness of a method developed by Woodford is explored for converting stress relaxation profiles to equivalent forward creep curves. For quantitative comparison and model validation, conventional creep tests have also been conducted on the same 10 % Cr steel at 600 °C for two different stress levels. Experimental results show that the creep deformation resistance of this steel is significantly reduced if the loading transient immediately preceding the hold is plastic. Furthermore, reduction in creep resistance is found to be more pronounced with increasing plastic strain amplitudes. Forward creep curve construction results indicate that all three assessment methodologies tend to offer qualitatively similar trends although the quantitative predictions differ slightly due to their respective underlying formulations. The creep-rate versus time plots for the constructed creep curves (until the attainment of steady-state conditions) also lead to a similar conclusion when compared with those from conventional creep tests. Finally, the successful implementation of the Woodford method to stress relaxation data from cyclic/hold tests broadens its current scope of applicability and its versatility can thus be further improved. Creep–fatigue interaction Cyclic softening Stress relaxation Creep curve construction Woodford method Holdsworth, Stuart R. aut Enthalten in Transactions of the Indian Institute of Metals Springer India, 1948 69(2015), 2 vom: 18. Dez., Seite 573-578 (DE-627)12936214X (DE-600)160952-X (DE-576)014734834 0972-2815 nnns volume:69 year:2015 number:2 day:18 month:12 pages:573-578 https://doi.org/10.1007/s12666-015-0776-5 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-GGO GBV_ILN_70 GBV_ILN_2027 AR 69 2015 2 18 12 573-578 |
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10.1007/s12666-015-0776-5 doi (DE-627)OLC2070825736 (DE-He213)s12666-015-0776-5-p DE-627 ger DE-627 rakwb eng 620 660 670 VZ 19,1 ssgn Kalyanasundaram, Valliappa verfasserin (orcid)0000-0002-6774-6371 aut Prediction of Forward Creep Behaviour from Stress Relaxation Data for a 10 % Cr Steel at 600 °C 2015 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © The Indian Institute of Metals - IIM 2015 Abstract To systematically characterise the effect of plasticity on the creep resistance of a 10 % Cr steel, strain-controlled monotonic and cyclic/hold tests have been isothermally conducted at 600 °C. In particular, this work focuses on the influence of the magnitude of plastic strain transient(s) preceding the first peak tensile hold for two types of loading sequence. Along with the use of Norton–Bailey formulations assuming time- or strain-hardening, the effectiveness of a method developed by Woodford is explored for converting stress relaxation profiles to equivalent forward creep curves. For quantitative comparison and model validation, conventional creep tests have also been conducted on the same 10 % Cr steel at 600 °C for two different stress levels. Experimental results show that the creep deformation resistance of this steel is significantly reduced if the loading transient immediately preceding the hold is plastic. Furthermore, reduction in creep resistance is found to be more pronounced with increasing plastic strain amplitudes. Forward creep curve construction results indicate that all three assessment methodologies tend to offer qualitatively similar trends although the quantitative predictions differ slightly due to their respective underlying formulations. The creep-rate versus time plots for the constructed creep curves (until the attainment of steady-state conditions) also lead to a similar conclusion when compared with those from conventional creep tests. Finally, the successful implementation of the Woodford method to stress relaxation data from cyclic/hold tests broadens its current scope of applicability and its versatility can thus be further improved. Creep–fatigue interaction Cyclic softening Stress relaxation Creep curve construction Woodford method Holdsworth, Stuart R. aut Enthalten in Transactions of the Indian Institute of Metals Springer India, 1948 69(2015), 2 vom: 18. Dez., Seite 573-578 (DE-627)12936214X (DE-600)160952-X (DE-576)014734834 0972-2815 nnns volume:69 year:2015 number:2 day:18 month:12 pages:573-578 https://doi.org/10.1007/s12666-015-0776-5 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-GGO GBV_ILN_70 GBV_ILN_2027 AR 69 2015 2 18 12 573-578 |
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Kalyanasundaram, Valliappa Holdsworth, Stuart R. |
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Kalyanasundaram, Valliappa |
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prediction of forward creep behaviour from stress relaxation data for a 10 % cr steel at 600 °c |
| title_auth |
Prediction of Forward Creep Behaviour from Stress Relaxation Data for a 10 % Cr Steel at 600 °C |
| abstract |
Abstract To systematically characterise the effect of plasticity on the creep resistance of a 10 % Cr steel, strain-controlled monotonic and cyclic/hold tests have been isothermally conducted at 600 °C. In particular, this work focuses on the influence of the magnitude of plastic strain transient(s) preceding the first peak tensile hold for two types of loading sequence. Along with the use of Norton–Bailey formulations assuming time- or strain-hardening, the effectiveness of a method developed by Woodford is explored for converting stress relaxation profiles to equivalent forward creep curves. For quantitative comparison and model validation, conventional creep tests have also been conducted on the same 10 % Cr steel at 600 °C for two different stress levels. Experimental results show that the creep deformation resistance of this steel is significantly reduced if the loading transient immediately preceding the hold is plastic. Furthermore, reduction in creep resistance is found to be more pronounced with increasing plastic strain amplitudes. Forward creep curve construction results indicate that all three assessment methodologies tend to offer qualitatively similar trends although the quantitative predictions differ slightly due to their respective underlying formulations. The creep-rate versus time plots for the constructed creep curves (until the attainment of steady-state conditions) also lead to a similar conclusion when compared with those from conventional creep tests. Finally, the successful implementation of the Woodford method to stress relaxation data from cyclic/hold tests broadens its current scope of applicability and its versatility can thus be further improved. © The Indian Institute of Metals - IIM 2015 |
| abstractGer |
Abstract To systematically characterise the effect of plasticity on the creep resistance of a 10 % Cr steel, strain-controlled monotonic and cyclic/hold tests have been isothermally conducted at 600 °C. In particular, this work focuses on the influence of the magnitude of plastic strain transient(s) preceding the first peak tensile hold for two types of loading sequence. Along with the use of Norton–Bailey formulations assuming time- or strain-hardening, the effectiveness of a method developed by Woodford is explored for converting stress relaxation profiles to equivalent forward creep curves. For quantitative comparison and model validation, conventional creep tests have also been conducted on the same 10 % Cr steel at 600 °C for two different stress levels. Experimental results show that the creep deformation resistance of this steel is significantly reduced if the loading transient immediately preceding the hold is plastic. Furthermore, reduction in creep resistance is found to be more pronounced with increasing plastic strain amplitudes. Forward creep curve construction results indicate that all three assessment methodologies tend to offer qualitatively similar trends although the quantitative predictions differ slightly due to their respective underlying formulations. The creep-rate versus time plots for the constructed creep curves (until the attainment of steady-state conditions) also lead to a similar conclusion when compared with those from conventional creep tests. Finally, the successful implementation of the Woodford method to stress relaxation data from cyclic/hold tests broadens its current scope of applicability and its versatility can thus be further improved. © The Indian Institute of Metals - IIM 2015 |
| abstract_unstemmed |
Abstract To systematically characterise the effect of plasticity on the creep resistance of a 10 % Cr steel, strain-controlled monotonic and cyclic/hold tests have been isothermally conducted at 600 °C. In particular, this work focuses on the influence of the magnitude of plastic strain transient(s) preceding the first peak tensile hold for two types of loading sequence. Along with the use of Norton–Bailey formulations assuming time- or strain-hardening, the effectiveness of a method developed by Woodford is explored for converting stress relaxation profiles to equivalent forward creep curves. For quantitative comparison and model validation, conventional creep tests have also been conducted on the same 10 % Cr steel at 600 °C for two different stress levels. Experimental results show that the creep deformation resistance of this steel is significantly reduced if the loading transient immediately preceding the hold is plastic. Furthermore, reduction in creep resistance is found to be more pronounced with increasing plastic strain amplitudes. Forward creep curve construction results indicate that all three assessment methodologies tend to offer qualitatively similar trends although the quantitative predictions differ slightly due to their respective underlying formulations. The creep-rate versus time plots for the constructed creep curves (until the attainment of steady-state conditions) also lead to a similar conclusion when compared with those from conventional creep tests. Finally, the successful implementation of the Woodford method to stress relaxation data from cyclic/hold tests broadens its current scope of applicability and its versatility can thus be further improved. © The Indian Institute of Metals - IIM 2015 |
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Prediction of Forward Creep Behaviour from Stress Relaxation Data for a 10 % Cr Steel at 600 °C |
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Holdsworth, Stuart R. |
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