Evolution of grain size and grain shape during thermomechanical processing in a powder metallurgical nickel-based superalloy
Abstract With a strain rate range of 0.01–10 $ s^{−1} $ and a deformation temperature range of 1110–1200 °C, the isothermal compression test was performed on one powder metallurgy superalloy which is macroscopic segregation free. Using electron backscatter diffraction, the effect of strain rate and...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Liu, Yan-hui [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2021 |
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| Schlagwörter: |
Powder metallurgy nickel-based superalloy Grain shape calculation method |
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| Anmerkung: |
© China Iron and Steel Research Institute Group 2021 |
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| Übergeordnetes Werk: |
Enthalten in: Journal of iron and steel research, international - [Singapore] : Springer Singapore, 1994, 29(2021), 2 vom: 25. Nov., Seite 350-358 |
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| Übergeordnetes Werk: |
volume:29 ; year:2021 ; number:2 ; day:25 ; month:11 ; pages:350-358 |
| Links: |
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| DOI / URN: |
10.1007/s42243-021-00681-4 |
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| Katalog-ID: |
SPR046447563 |
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| 100 | 1 | |a Liu, Yan-hui |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Evolution of grain size and grain shape during thermomechanical processing in a powder metallurgical nickel-based superalloy |
| 264 | 1 | |c 2021 | |
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| 520 | |a Abstract With a strain rate range of 0.01–10 $ s^{−1} $ and a deformation temperature range of 1110–1200 °C, the isothermal compression test was performed on one powder metallurgy superalloy which is macroscopic segregation free. Using electron backscatter diffraction, the effect of strain rate and deformation temperature on grain shape and grain size of superalloys during thermal deformation was studied. The results established that exquisite and equiaxed dynamic recrystallization (DRX) grains are procured at supernal deformation temperature and high strain rate because of the high dislocation density. At the same time, the interaction between high DRX nucleation rate and low grain growth rate at high strain rate is favorable in making finer DRX grains. The equivalent medial grain size expanded with lowering strain rate and elevating proof temperature. Moreover, the grain shape was researched by the effective method of aspect ratio. Most aspect ratio of original grains is 0.61, and the aspect ratio has important implications for DRX and grain growth process. The average aspect ratio increases slightly when deformation temperature rises from 1110 to 1140 °C, while the average aspect ratio increases memorably as the deformation temperature is higher than 1140 °C. | ||
| 650 | 4 | |a Powder metallurgy nickel-based superalloy |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Isothermal compression |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Grain size |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Grain shape calculation method |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Electron backscatter diffraction |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Grain shape aspect ratio |7 (dpeaa)DE-He213 | |
| 700 | 1 | |a Liu, Zhao-zhao |4 aut | |
| 700 | 1 | |a Wang, Miao |4 aut | |
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10.1007/s42243-021-00681-4 doi (DE-627)SPR046447563 (SPR)s42243-021-00681-4-e DE-627 ger DE-627 rakwb eng Liu, Yan-hui verfasserin aut Evolution of grain size and grain shape during thermomechanical processing in a powder metallurgical nickel-based superalloy 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © China Iron and Steel Research Institute Group 2021 Abstract With a strain rate range of 0.01–10 $ s^{−1} $ and a deformation temperature range of 1110–1200 °C, the isothermal compression test was performed on one powder metallurgy superalloy which is macroscopic segregation free. Using electron backscatter diffraction, the effect of strain rate and deformation temperature on grain shape and grain size of superalloys during thermal deformation was studied. The results established that exquisite and equiaxed dynamic recrystallization (DRX) grains are procured at supernal deformation temperature and high strain rate because of the high dislocation density. At the same time, the interaction between high DRX nucleation rate and low grain growth rate at high strain rate is favorable in making finer DRX grains. The equivalent medial grain size expanded with lowering strain rate and elevating proof temperature. Moreover, the grain shape was researched by the effective method of aspect ratio. Most aspect ratio of original grains is 0.61, and the aspect ratio has important implications for DRX and grain growth process. The average aspect ratio increases slightly when deformation temperature rises from 1110 to 1140 °C, while the average aspect ratio increases memorably as the deformation temperature is higher than 1140 °C. Powder metallurgy nickel-based superalloy (dpeaa)DE-He213 Isothermal compression (dpeaa)DE-He213 Grain size (dpeaa)DE-He213 Grain shape calculation method (dpeaa)DE-He213 Electron backscatter diffraction (dpeaa)DE-He213 Grain shape aspect ratio (dpeaa)DE-He213 Liu, Zhao-zhao aut Wang, Miao aut Enthalten in Journal of iron and steel research, international [Singapore] : Springer Singapore, 1994 29(2021), 2 vom: 25. Nov., Seite 350-358 (DE-627)513220046 (DE-600)2238831-X 2210-3988 nnns volume:29 year:2021 number:2 day:25 month:11 pages:350-358 https://dx.doi.org/10.1007/s42243-021-00681-4 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_121 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_266 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_374 GBV_ILN_602 GBV_ILN_636 GBV_ILN_647 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2036 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_2700 GBV_ILN_2817 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4277 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4346 GBV_ILN_4367 GBV_ILN_4392 GBV_ILN_4393 GBV_ILN_4700 GBV_ILN_4753 AR 29 2021 2 25 11 350-358 |
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10.1007/s42243-021-00681-4 doi (DE-627)SPR046447563 (SPR)s42243-021-00681-4-e DE-627 ger DE-627 rakwb eng Liu, Yan-hui verfasserin aut Evolution of grain size and grain shape during thermomechanical processing in a powder metallurgical nickel-based superalloy 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © China Iron and Steel Research Institute Group 2021 Abstract With a strain rate range of 0.01–10 $ s^{−1} $ and a deformation temperature range of 1110–1200 °C, the isothermal compression test was performed on one powder metallurgy superalloy which is macroscopic segregation free. Using electron backscatter diffraction, the effect of strain rate and deformation temperature on grain shape and grain size of superalloys during thermal deformation was studied. The results established that exquisite and equiaxed dynamic recrystallization (DRX) grains are procured at supernal deformation temperature and high strain rate because of the high dislocation density. At the same time, the interaction between high DRX nucleation rate and low grain growth rate at high strain rate is favorable in making finer DRX grains. The equivalent medial grain size expanded with lowering strain rate and elevating proof temperature. Moreover, the grain shape was researched by the effective method of aspect ratio. Most aspect ratio of original grains is 0.61, and the aspect ratio has important implications for DRX and grain growth process. The average aspect ratio increases slightly when deformation temperature rises from 1110 to 1140 °C, while the average aspect ratio increases memorably as the deformation temperature is higher than 1140 °C. Powder metallurgy nickel-based superalloy (dpeaa)DE-He213 Isothermal compression (dpeaa)DE-He213 Grain size (dpeaa)DE-He213 Grain shape calculation method (dpeaa)DE-He213 Electron backscatter diffraction (dpeaa)DE-He213 Grain shape aspect ratio (dpeaa)DE-He213 Liu, Zhao-zhao aut Wang, Miao aut Enthalten in Journal of iron and steel research, international [Singapore] : Springer Singapore, 1994 29(2021), 2 vom: 25. Nov., Seite 350-358 (DE-627)513220046 (DE-600)2238831-X 2210-3988 nnns volume:29 year:2021 number:2 day:25 month:11 pages:350-358 https://dx.doi.org/10.1007/s42243-021-00681-4 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_121 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_266 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_374 GBV_ILN_602 GBV_ILN_636 GBV_ILN_647 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2036 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_2700 GBV_ILN_2817 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4277 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4346 GBV_ILN_4367 GBV_ILN_4392 GBV_ILN_4393 GBV_ILN_4700 GBV_ILN_4753 AR 29 2021 2 25 11 350-358 |
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10.1007/s42243-021-00681-4 doi (DE-627)SPR046447563 (SPR)s42243-021-00681-4-e DE-627 ger DE-627 rakwb eng Liu, Yan-hui verfasserin aut Evolution of grain size and grain shape during thermomechanical processing in a powder metallurgical nickel-based superalloy 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © China Iron and Steel Research Institute Group 2021 Abstract With a strain rate range of 0.01–10 $ s^{−1} $ and a deformation temperature range of 1110–1200 °C, the isothermal compression test was performed on one powder metallurgy superalloy which is macroscopic segregation free. Using electron backscatter diffraction, the effect of strain rate and deformation temperature on grain shape and grain size of superalloys during thermal deformation was studied. The results established that exquisite and equiaxed dynamic recrystallization (DRX) grains are procured at supernal deformation temperature and high strain rate because of the high dislocation density. At the same time, the interaction between high DRX nucleation rate and low grain growth rate at high strain rate is favorable in making finer DRX grains. The equivalent medial grain size expanded with lowering strain rate and elevating proof temperature. Moreover, the grain shape was researched by the effective method of aspect ratio. Most aspect ratio of original grains is 0.61, and the aspect ratio has important implications for DRX and grain growth process. The average aspect ratio increases slightly when deformation temperature rises from 1110 to 1140 °C, while the average aspect ratio increases memorably as the deformation temperature is higher than 1140 °C. Powder metallurgy nickel-based superalloy (dpeaa)DE-He213 Isothermal compression (dpeaa)DE-He213 Grain size (dpeaa)DE-He213 Grain shape calculation method (dpeaa)DE-He213 Electron backscatter diffraction (dpeaa)DE-He213 Grain shape aspect ratio (dpeaa)DE-He213 Liu, Zhao-zhao aut Wang, Miao aut Enthalten in Journal of iron and steel research, international [Singapore] : Springer Singapore, 1994 29(2021), 2 vom: 25. Nov., Seite 350-358 (DE-627)513220046 (DE-600)2238831-X 2210-3988 nnns volume:29 year:2021 number:2 day:25 month:11 pages:350-358 https://dx.doi.org/10.1007/s42243-021-00681-4 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_121 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_266 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_374 GBV_ILN_602 GBV_ILN_636 GBV_ILN_647 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2036 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_2700 GBV_ILN_2817 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4277 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4346 GBV_ILN_4367 GBV_ILN_4392 GBV_ILN_4393 GBV_ILN_4700 GBV_ILN_4753 AR 29 2021 2 25 11 350-358 |
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10.1007/s42243-021-00681-4 doi (DE-627)SPR046447563 (SPR)s42243-021-00681-4-e DE-627 ger DE-627 rakwb eng Liu, Yan-hui verfasserin aut Evolution of grain size and grain shape during thermomechanical processing in a powder metallurgical nickel-based superalloy 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © China Iron and Steel Research Institute Group 2021 Abstract With a strain rate range of 0.01–10 $ s^{−1} $ and a deformation temperature range of 1110–1200 °C, the isothermal compression test was performed on one powder metallurgy superalloy which is macroscopic segregation free. Using electron backscatter diffraction, the effect of strain rate and deformation temperature on grain shape and grain size of superalloys during thermal deformation was studied. The results established that exquisite and equiaxed dynamic recrystallization (DRX) grains are procured at supernal deformation temperature and high strain rate because of the high dislocation density. At the same time, the interaction between high DRX nucleation rate and low grain growth rate at high strain rate is favorable in making finer DRX grains. The equivalent medial grain size expanded with lowering strain rate and elevating proof temperature. Moreover, the grain shape was researched by the effective method of aspect ratio. Most aspect ratio of original grains is 0.61, and the aspect ratio has important implications for DRX and grain growth process. The average aspect ratio increases slightly when deformation temperature rises from 1110 to 1140 °C, while the average aspect ratio increases memorably as the deformation temperature is higher than 1140 °C. Powder metallurgy nickel-based superalloy (dpeaa)DE-He213 Isothermal compression (dpeaa)DE-He213 Grain size (dpeaa)DE-He213 Grain shape calculation method (dpeaa)DE-He213 Electron backscatter diffraction (dpeaa)DE-He213 Grain shape aspect ratio (dpeaa)DE-He213 Liu, Zhao-zhao aut Wang, Miao aut Enthalten in Journal of iron and steel research, international [Singapore] : Springer Singapore, 1994 29(2021), 2 vom: 25. Nov., Seite 350-358 (DE-627)513220046 (DE-600)2238831-X 2210-3988 nnns volume:29 year:2021 number:2 day:25 month:11 pages:350-358 https://dx.doi.org/10.1007/s42243-021-00681-4 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_121 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_266 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_374 GBV_ILN_602 GBV_ILN_636 GBV_ILN_647 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2036 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_2700 GBV_ILN_2817 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4277 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4346 GBV_ILN_4367 GBV_ILN_4392 GBV_ILN_4393 GBV_ILN_4700 GBV_ILN_4753 AR 29 2021 2 25 11 350-358 |
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10.1007/s42243-021-00681-4 doi (DE-627)SPR046447563 (SPR)s42243-021-00681-4-e DE-627 ger DE-627 rakwb eng Liu, Yan-hui verfasserin aut Evolution of grain size and grain shape during thermomechanical processing in a powder metallurgical nickel-based superalloy 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © China Iron and Steel Research Institute Group 2021 Abstract With a strain rate range of 0.01–10 $ s^{−1} $ and a deformation temperature range of 1110–1200 °C, the isothermal compression test was performed on one powder metallurgy superalloy which is macroscopic segregation free. Using electron backscatter diffraction, the effect of strain rate and deformation temperature on grain shape and grain size of superalloys during thermal deformation was studied. The results established that exquisite and equiaxed dynamic recrystallization (DRX) grains are procured at supernal deformation temperature and high strain rate because of the high dislocation density. At the same time, the interaction between high DRX nucleation rate and low grain growth rate at high strain rate is favorable in making finer DRX grains. The equivalent medial grain size expanded with lowering strain rate and elevating proof temperature. Moreover, the grain shape was researched by the effective method of aspect ratio. Most aspect ratio of original grains is 0.61, and the aspect ratio has important implications for DRX and grain growth process. The average aspect ratio increases slightly when deformation temperature rises from 1110 to 1140 °C, while the average aspect ratio increases memorably as the deformation temperature is higher than 1140 °C. Powder metallurgy nickel-based superalloy (dpeaa)DE-He213 Isothermal compression (dpeaa)DE-He213 Grain size (dpeaa)DE-He213 Grain shape calculation method (dpeaa)DE-He213 Electron backscatter diffraction (dpeaa)DE-He213 Grain shape aspect ratio (dpeaa)DE-He213 Liu, Zhao-zhao aut Wang, Miao aut Enthalten in Journal of iron and steel research, international [Singapore] : Springer Singapore, 1994 29(2021), 2 vom: 25. Nov., Seite 350-358 (DE-627)513220046 (DE-600)2238831-X 2210-3988 nnns volume:29 year:2021 number:2 day:25 month:11 pages:350-358 https://dx.doi.org/10.1007/s42243-021-00681-4 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_121 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_266 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_374 GBV_ILN_602 GBV_ILN_636 GBV_ILN_647 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2036 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_2700 GBV_ILN_2817 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4277 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4346 GBV_ILN_4367 GBV_ILN_4392 GBV_ILN_4393 GBV_ILN_4700 GBV_ILN_4753 AR 29 2021 2 25 11 350-358 |
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Using electron backscatter diffraction, the effect of strain rate and deformation temperature on grain shape and grain size of superalloys during thermal deformation was studied. The results established that exquisite and equiaxed dynamic recrystallization (DRX) grains are procured at supernal deformation temperature and high strain rate because of the high dislocation density. At the same time, the interaction between high DRX nucleation rate and low grain growth rate at high strain rate is favorable in making finer DRX grains. The equivalent medial grain size expanded with lowering strain rate and elevating proof temperature. Moreover, the grain shape was researched by the effective method of aspect ratio. Most aspect ratio of original grains is 0.61, and the aspect ratio has important implications for DRX and grain growth process. The average aspect ratio increases slightly when deformation temperature rises from 1110 to 1140 °C, while the average aspect ratio increases memorably as the deformation temperature is higher than 1140 °C.</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Powder metallurgy nickel-based superalloy</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Isothermal compression</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Grain size</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Grain shape calculation method</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Electron backscatter diffraction</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Grain shape aspect ratio</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Liu, Zhao-zhao</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Wang, Miao</subfield><subfield code="4">aut</subfield></datafield><datafield tag="773" ind1="0" ind2="8"><subfield code="i">Enthalten in</subfield><subfield code="t">Journal of iron and steel research, international</subfield><subfield code="d">[Singapore] : Springer Singapore, 1994</subfield><subfield code="g">29(2021), 2 vom: 25. 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Liu, Yan-hui |
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Liu, Yan-hui misc Powder metallurgy nickel-based superalloy misc Isothermal compression misc Grain size misc Grain shape calculation method misc Electron backscatter diffraction misc Grain shape aspect ratio Evolution of grain size and grain shape during thermomechanical processing in a powder metallurgical nickel-based superalloy |
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Evolution of grain size and grain shape during thermomechanical processing in a powder metallurgical nickel-based superalloy Powder metallurgy nickel-based superalloy (dpeaa)DE-He213 Isothermal compression (dpeaa)DE-He213 Grain size (dpeaa)DE-He213 Grain shape calculation method (dpeaa)DE-He213 Electron backscatter diffraction (dpeaa)DE-He213 Grain shape aspect ratio (dpeaa)DE-He213 |
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10.1007/s42243-021-00681-4 |
| title_sort |
evolution of grain size and grain shape during thermomechanical processing in a powder metallurgical nickel-based superalloy |
| title_auth |
Evolution of grain size and grain shape during thermomechanical processing in a powder metallurgical nickel-based superalloy |
| abstract |
Abstract With a strain rate range of 0.01–10 $ s^{−1} $ and a deformation temperature range of 1110–1200 °C, the isothermal compression test was performed on one powder metallurgy superalloy which is macroscopic segregation free. Using electron backscatter diffraction, the effect of strain rate and deformation temperature on grain shape and grain size of superalloys during thermal deformation was studied. The results established that exquisite and equiaxed dynamic recrystallization (DRX) grains are procured at supernal deformation temperature and high strain rate because of the high dislocation density. At the same time, the interaction between high DRX nucleation rate and low grain growth rate at high strain rate is favorable in making finer DRX grains. The equivalent medial grain size expanded with lowering strain rate and elevating proof temperature. Moreover, the grain shape was researched by the effective method of aspect ratio. Most aspect ratio of original grains is 0.61, and the aspect ratio has important implications for DRX and grain growth process. The average aspect ratio increases slightly when deformation temperature rises from 1110 to 1140 °C, while the average aspect ratio increases memorably as the deformation temperature is higher than 1140 °C. © China Iron and Steel Research Institute Group 2021 |
| abstractGer |
Abstract With a strain rate range of 0.01–10 $ s^{−1} $ and a deformation temperature range of 1110–1200 °C, the isothermal compression test was performed on one powder metallurgy superalloy which is macroscopic segregation free. Using electron backscatter diffraction, the effect of strain rate and deformation temperature on grain shape and grain size of superalloys during thermal deformation was studied. The results established that exquisite and equiaxed dynamic recrystallization (DRX) grains are procured at supernal deformation temperature and high strain rate because of the high dislocation density. At the same time, the interaction between high DRX nucleation rate and low grain growth rate at high strain rate is favorable in making finer DRX grains. The equivalent medial grain size expanded with lowering strain rate and elevating proof temperature. Moreover, the grain shape was researched by the effective method of aspect ratio. Most aspect ratio of original grains is 0.61, and the aspect ratio has important implications for DRX and grain growth process. The average aspect ratio increases slightly when deformation temperature rises from 1110 to 1140 °C, while the average aspect ratio increases memorably as the deformation temperature is higher than 1140 °C. © China Iron and Steel Research Institute Group 2021 |
| abstract_unstemmed |
Abstract With a strain rate range of 0.01–10 $ s^{−1} $ and a deformation temperature range of 1110–1200 °C, the isothermal compression test was performed on one powder metallurgy superalloy which is macroscopic segregation free. Using electron backscatter diffraction, the effect of strain rate and deformation temperature on grain shape and grain size of superalloys during thermal deformation was studied. The results established that exquisite and equiaxed dynamic recrystallization (DRX) grains are procured at supernal deformation temperature and high strain rate because of the high dislocation density. At the same time, the interaction between high DRX nucleation rate and low grain growth rate at high strain rate is favorable in making finer DRX grains. The equivalent medial grain size expanded with lowering strain rate and elevating proof temperature. Moreover, the grain shape was researched by the effective method of aspect ratio. Most aspect ratio of original grains is 0.61, and the aspect ratio has important implications for DRX and grain growth process. The average aspect ratio increases slightly when deformation temperature rises from 1110 to 1140 °C, while the average aspect ratio increases memorably as the deformation temperature is higher than 1140 °C. © China Iron and Steel Research Institute Group 2021 |
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Evolution of grain size and grain shape during thermomechanical processing in a powder metallurgical nickel-based superalloy |
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| score |
7.3994884 |