Effect of crystallization rate on the structure of alloys in the Nb-Zr-C system
Conclusions In niobium alloys containing up to 10% each of Zr and C (atomic fraction) cooled during crystallization at rate of $ 10^{1} $–$ 10^{5} $ °C/sec three phases form: α-solid solution based on niobium, $ Nb_{2} $C carbide with a hcp-lattice, and (Nb, Zr)C type carbide with a fcc-lattice.With...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Sheftel, E. N. [verfasserIn] |
|---|
| Format: |
Artikel |
|---|---|
| Sprache: |
Englisch |
| Erschienen: |
1989 |
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| Schlagwörter: |
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| Anmerkung: |
© Plenum Publishing Corporation 1989 |
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| Übergeordnetes Werk: |
Enthalten in: Metal science and heat treatment - Kluwer Academic Publishers-Plenum Publishers, 1959, 31(1989), 4 vom: Apr., Seite 271-277 |
|---|---|
| Übergeordnetes Werk: |
volume:31 ; year:1989 ; number:4 ; month:04 ; pages:271-277 |
| Links: |
|---|
| DOI / URN: |
10.1007/BF00715802 |
|---|
| Katalog-ID: |
OLC2048044700 |
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| 520 | |a Conclusions In niobium alloys containing up to 10% each of Zr and C (atomic fraction) cooled during crystallization at rate of $ 10^{1} $–$ 10^{5} $ °C/sec three phases form: α-solid solution based on niobium, $ Nb_{2} $C carbide with a hcp-lattice, and (Nb, Zr)C type carbide with a fcc-lattice.With crystallization at a rate of $ v_{cool} $=$ 10^{1} $–$ 10^{3} $. °C/sec a dendritic structure forms in alloys, at a cooling rate of $ 10^{5} $ °C/sec it is cellular, and with an increase in crystallization rate there is a reduction dendrite parameter and cell size (to 1–5 μm with $ v_{cool} $=$ 10^{5} $ °C/sec).An increase in cooling rate during crystallization from $ 10^{1} $ to $ 10^{5} $ °C/sec promotes considerable refinement and a change in the nature of carbide phase distribution forming during crystallization.An increase in crystallization rate causes an increase in the amount of carbon and zirconium dissolved in niobium. Subsequent heating up to 1900°C leads to decomposition of rapidly quenched solid solution with separation of dispersed (Nb, Zr)C carbide platelets, but morphology and the amount of eutectic carbide does not change and grain growth is not observed. | ||
| 650 | 4 | |a Crystallization | |
| 650 | 4 | |a Zirconium | |
| 650 | 4 | |a Carbide | |
| 650 | 4 | |a Cool Rate | |
| 650 | 4 | |a Niobium | |
| 700 | 1 | |a Bannykh, O. A. |4 aut | |
| 700 | 1 | |a Usmanova, G. Sh. |4 aut | |
| 700 | 1 | |a Markova, E. V. |4 aut | |
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10.1007/BF00715802 doi (DE-627)OLC2048044700 (DE-He213)BF00715802-p DE-627 ger DE-627 rakwb eng 670 620 660 VZ Sheftel, E. N. verfasserin aut Effect of crystallization rate on the structure of alloys in the Nb-Zr-C system 1989 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Plenum Publishing Corporation 1989 Conclusions In niobium alloys containing up to 10% each of Zr and C (atomic fraction) cooled during crystallization at rate of $ 10^{1} $–$ 10^{5} $ °C/sec three phases form: α-solid solution based on niobium, $ Nb_{2} $C carbide with a hcp-lattice, and (Nb, Zr)C type carbide with a fcc-lattice.With crystallization at a rate of $ v_{cool} $=$ 10^{1} $–$ 10^{3} $. °C/sec a dendritic structure forms in alloys, at a cooling rate of $ 10^{5} $ °C/sec it is cellular, and with an increase in crystallization rate there is a reduction dendrite parameter and cell size (to 1–5 μm with $ v_{cool} $=$ 10^{5} $ °C/sec).An increase in cooling rate during crystallization from $ 10^{1} $ to $ 10^{5} $ °C/sec promotes considerable refinement and a change in the nature of carbide phase distribution forming during crystallization.An increase in crystallization rate causes an increase in the amount of carbon and zirconium dissolved in niobium. Subsequent heating up to 1900°C leads to decomposition of rapidly quenched solid solution with separation of dispersed (Nb, Zr)C carbide platelets, but morphology and the amount of eutectic carbide does not change and grain growth is not observed. Crystallization Zirconium Carbide Cool Rate Niobium Bannykh, O. A. aut Usmanova, G. Sh. aut Markova, E. V. aut Enthalten in Metal science and heat treatment Kluwer Academic Publishers-Plenum Publishers, 1959 31(1989), 4 vom: Apr., Seite 271-277 (DE-627)129596981 (DE-600)240858-2 (DE-576)015090159 0026-0673 nnns volume:31 year:1989 number:4 month:04 pages:271-277 https://doi.org/10.1007/BF00715802 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_70 GBV_ILN_2015 GBV_ILN_4046 GBV_ILN_4082 GBV_ILN_4319 AR 31 1989 4 04 271-277 |
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10.1007/BF00715802 doi (DE-627)OLC2048044700 (DE-He213)BF00715802-p DE-627 ger DE-627 rakwb eng 670 620 660 VZ Sheftel, E. N. verfasserin aut Effect of crystallization rate on the structure of alloys in the Nb-Zr-C system 1989 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Plenum Publishing Corporation 1989 Conclusions In niobium alloys containing up to 10% each of Zr and C (atomic fraction) cooled during crystallization at rate of $ 10^{1} $–$ 10^{5} $ °C/sec three phases form: α-solid solution based on niobium, $ Nb_{2} $C carbide with a hcp-lattice, and (Nb, Zr)C type carbide with a fcc-lattice.With crystallization at a rate of $ v_{cool} $=$ 10^{1} $–$ 10^{3} $. °C/sec a dendritic structure forms in alloys, at a cooling rate of $ 10^{5} $ °C/sec it is cellular, and with an increase in crystallization rate there is a reduction dendrite parameter and cell size (to 1–5 μm with $ v_{cool} $=$ 10^{5} $ °C/sec).An increase in cooling rate during crystallization from $ 10^{1} $ to $ 10^{5} $ °C/sec promotes considerable refinement and a change in the nature of carbide phase distribution forming during crystallization.An increase in crystallization rate causes an increase in the amount of carbon and zirconium dissolved in niobium. Subsequent heating up to 1900°C leads to decomposition of rapidly quenched solid solution with separation of dispersed (Nb, Zr)C carbide platelets, but morphology and the amount of eutectic carbide does not change and grain growth is not observed. Crystallization Zirconium Carbide Cool Rate Niobium Bannykh, O. A. aut Usmanova, G. Sh. aut Markova, E. V. aut Enthalten in Metal science and heat treatment Kluwer Academic Publishers-Plenum Publishers, 1959 31(1989), 4 vom: Apr., Seite 271-277 (DE-627)129596981 (DE-600)240858-2 (DE-576)015090159 0026-0673 nnns volume:31 year:1989 number:4 month:04 pages:271-277 https://doi.org/10.1007/BF00715802 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_70 GBV_ILN_2015 GBV_ILN_4046 GBV_ILN_4082 GBV_ILN_4319 AR 31 1989 4 04 271-277 |
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10.1007/BF00715802 doi (DE-627)OLC2048044700 (DE-He213)BF00715802-p DE-627 ger DE-627 rakwb eng 670 620 660 VZ Sheftel, E. N. verfasserin aut Effect of crystallization rate on the structure of alloys in the Nb-Zr-C system 1989 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Plenum Publishing Corporation 1989 Conclusions In niobium alloys containing up to 10% each of Zr and C (atomic fraction) cooled during crystallization at rate of $ 10^{1} $–$ 10^{5} $ °C/sec three phases form: α-solid solution based on niobium, $ Nb_{2} $C carbide with a hcp-lattice, and (Nb, Zr)C type carbide with a fcc-lattice.With crystallization at a rate of $ v_{cool} $=$ 10^{1} $–$ 10^{3} $. °C/sec a dendritic structure forms in alloys, at a cooling rate of $ 10^{5} $ °C/sec it is cellular, and with an increase in crystallization rate there is a reduction dendrite parameter and cell size (to 1–5 μm with $ v_{cool} $=$ 10^{5} $ °C/sec).An increase in cooling rate during crystallization from $ 10^{1} $ to $ 10^{5} $ °C/sec promotes considerable refinement and a change in the nature of carbide phase distribution forming during crystallization.An increase in crystallization rate causes an increase in the amount of carbon and zirconium dissolved in niobium. Subsequent heating up to 1900°C leads to decomposition of rapidly quenched solid solution with separation of dispersed (Nb, Zr)C carbide platelets, but morphology and the amount of eutectic carbide does not change and grain growth is not observed. Crystallization Zirconium Carbide Cool Rate Niobium Bannykh, O. A. aut Usmanova, G. Sh. aut Markova, E. V. aut Enthalten in Metal science and heat treatment Kluwer Academic Publishers-Plenum Publishers, 1959 31(1989), 4 vom: Apr., Seite 271-277 (DE-627)129596981 (DE-600)240858-2 (DE-576)015090159 0026-0673 nnns volume:31 year:1989 number:4 month:04 pages:271-277 https://doi.org/10.1007/BF00715802 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_70 GBV_ILN_2015 GBV_ILN_4046 GBV_ILN_4082 GBV_ILN_4319 AR 31 1989 4 04 271-277 |
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10.1007/BF00715802 doi (DE-627)OLC2048044700 (DE-He213)BF00715802-p DE-627 ger DE-627 rakwb eng 670 620 660 VZ Sheftel, E. N. verfasserin aut Effect of crystallization rate on the structure of alloys in the Nb-Zr-C system 1989 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Plenum Publishing Corporation 1989 Conclusions In niobium alloys containing up to 10% each of Zr and C (atomic fraction) cooled during crystallization at rate of $ 10^{1} $–$ 10^{5} $ °C/sec three phases form: α-solid solution based on niobium, $ Nb_{2} $C carbide with a hcp-lattice, and (Nb, Zr)C type carbide with a fcc-lattice.With crystallization at a rate of $ v_{cool} $=$ 10^{1} $–$ 10^{3} $. °C/sec a dendritic structure forms in alloys, at a cooling rate of $ 10^{5} $ °C/sec it is cellular, and with an increase in crystallization rate there is a reduction dendrite parameter and cell size (to 1–5 μm with $ v_{cool} $=$ 10^{5} $ °C/sec).An increase in cooling rate during crystallization from $ 10^{1} $ to $ 10^{5} $ °C/sec promotes considerable refinement and a change in the nature of carbide phase distribution forming during crystallization.An increase in crystallization rate causes an increase in the amount of carbon and zirconium dissolved in niobium. Subsequent heating up to 1900°C leads to decomposition of rapidly quenched solid solution with separation of dispersed (Nb, Zr)C carbide platelets, but morphology and the amount of eutectic carbide does not change and grain growth is not observed. Crystallization Zirconium Carbide Cool Rate Niobium Bannykh, O. A. aut Usmanova, G. Sh. aut Markova, E. V. aut Enthalten in Metal science and heat treatment Kluwer Academic Publishers-Plenum Publishers, 1959 31(1989), 4 vom: Apr., Seite 271-277 (DE-627)129596981 (DE-600)240858-2 (DE-576)015090159 0026-0673 nnns volume:31 year:1989 number:4 month:04 pages:271-277 https://doi.org/10.1007/BF00715802 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_70 GBV_ILN_2015 GBV_ILN_4046 GBV_ILN_4082 GBV_ILN_4319 AR 31 1989 4 04 271-277 |
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10.1007/BF00715802 doi (DE-627)OLC2048044700 (DE-He213)BF00715802-p DE-627 ger DE-627 rakwb eng 670 620 660 VZ Sheftel, E. N. verfasserin aut Effect of crystallization rate on the structure of alloys in the Nb-Zr-C system 1989 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Plenum Publishing Corporation 1989 Conclusions In niobium alloys containing up to 10% each of Zr and C (atomic fraction) cooled during crystallization at rate of $ 10^{1} $–$ 10^{5} $ °C/sec three phases form: α-solid solution based on niobium, $ Nb_{2} $C carbide with a hcp-lattice, and (Nb, Zr)C type carbide with a fcc-lattice.With crystallization at a rate of $ v_{cool} $=$ 10^{1} $–$ 10^{3} $. °C/sec a dendritic structure forms in alloys, at a cooling rate of $ 10^{5} $ °C/sec it is cellular, and with an increase in crystallization rate there is a reduction dendrite parameter and cell size (to 1–5 μm with $ v_{cool} $=$ 10^{5} $ °C/sec).An increase in cooling rate during crystallization from $ 10^{1} $ to $ 10^{5} $ °C/sec promotes considerable refinement and a change in the nature of carbide phase distribution forming during crystallization.An increase in crystallization rate causes an increase in the amount of carbon and zirconium dissolved in niobium. Subsequent heating up to 1900°C leads to decomposition of rapidly quenched solid solution with separation of dispersed (Nb, Zr)C carbide platelets, but morphology and the amount of eutectic carbide does not change and grain growth is not observed. Crystallization Zirconium Carbide Cool Rate Niobium Bannykh, O. A. aut Usmanova, G. Sh. aut Markova, E. V. aut Enthalten in Metal science and heat treatment Kluwer Academic Publishers-Plenum Publishers, 1959 31(1989), 4 vom: Apr., Seite 271-277 (DE-627)129596981 (DE-600)240858-2 (DE-576)015090159 0026-0673 nnns volume:31 year:1989 number:4 month:04 pages:271-277 https://doi.org/10.1007/BF00715802 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_70 GBV_ILN_2015 GBV_ILN_4046 GBV_ILN_4082 GBV_ILN_4319 AR 31 1989 4 04 271-277 |
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1989 |
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271 |
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Sheftel, E. N. Bannykh, O. A. Usmanova, G. Sh. Markova, E. V. |
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31 |
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670 620 660 VZ |
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Sheftel, E. N. |
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10.1007/BF00715802 |
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670 620 660 |
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effect of crystallization rate on the structure of alloys in the nb-zr-c system |
| title_auth |
Effect of crystallization rate on the structure of alloys in the Nb-Zr-C system |
| abstract |
Conclusions In niobium alloys containing up to 10% each of Zr and C (atomic fraction) cooled during crystallization at rate of $ 10^{1} $–$ 10^{5} $ °C/sec three phases form: α-solid solution based on niobium, $ Nb_{2} $C carbide with a hcp-lattice, and (Nb, Zr)C type carbide with a fcc-lattice.With crystallization at a rate of $ v_{cool} $=$ 10^{1} $–$ 10^{3} $. °C/sec a dendritic structure forms in alloys, at a cooling rate of $ 10^{5} $ °C/sec it is cellular, and with an increase in crystallization rate there is a reduction dendrite parameter and cell size (to 1–5 μm with $ v_{cool} $=$ 10^{5} $ °C/sec).An increase in cooling rate during crystallization from $ 10^{1} $ to $ 10^{5} $ °C/sec promotes considerable refinement and a change in the nature of carbide phase distribution forming during crystallization.An increase in crystallization rate causes an increase in the amount of carbon and zirconium dissolved in niobium. Subsequent heating up to 1900°C leads to decomposition of rapidly quenched solid solution with separation of dispersed (Nb, Zr)C carbide platelets, but morphology and the amount of eutectic carbide does not change and grain growth is not observed. © Plenum Publishing Corporation 1989 |
| abstractGer |
Conclusions In niobium alloys containing up to 10% each of Zr and C (atomic fraction) cooled during crystallization at rate of $ 10^{1} $–$ 10^{5} $ °C/sec three phases form: α-solid solution based on niobium, $ Nb_{2} $C carbide with a hcp-lattice, and (Nb, Zr)C type carbide with a fcc-lattice.With crystallization at a rate of $ v_{cool} $=$ 10^{1} $–$ 10^{3} $. °C/sec a dendritic structure forms in alloys, at a cooling rate of $ 10^{5} $ °C/sec it is cellular, and with an increase in crystallization rate there is a reduction dendrite parameter and cell size (to 1–5 μm with $ v_{cool} $=$ 10^{5} $ °C/sec).An increase in cooling rate during crystallization from $ 10^{1} $ to $ 10^{5} $ °C/sec promotes considerable refinement and a change in the nature of carbide phase distribution forming during crystallization.An increase in crystallization rate causes an increase in the amount of carbon and zirconium dissolved in niobium. Subsequent heating up to 1900°C leads to decomposition of rapidly quenched solid solution with separation of dispersed (Nb, Zr)C carbide platelets, but morphology and the amount of eutectic carbide does not change and grain growth is not observed. © Plenum Publishing Corporation 1989 |
| abstract_unstemmed |
Conclusions In niobium alloys containing up to 10% each of Zr and C (atomic fraction) cooled during crystallization at rate of $ 10^{1} $–$ 10^{5} $ °C/sec three phases form: α-solid solution based on niobium, $ Nb_{2} $C carbide with a hcp-lattice, and (Nb, Zr)C type carbide with a fcc-lattice.With crystallization at a rate of $ v_{cool} $=$ 10^{1} $–$ 10^{3} $. °C/sec a dendritic structure forms in alloys, at a cooling rate of $ 10^{5} $ °C/sec it is cellular, and with an increase in crystallization rate there is a reduction dendrite parameter and cell size (to 1–5 μm with $ v_{cool} $=$ 10^{5} $ °C/sec).An increase in cooling rate during crystallization from $ 10^{1} $ to $ 10^{5} $ °C/sec promotes considerable refinement and a change in the nature of carbide phase distribution forming during crystallization.An increase in crystallization rate causes an increase in the amount of carbon and zirconium dissolved in niobium. Subsequent heating up to 1900°C leads to decomposition of rapidly quenched solid solution with separation of dispersed (Nb, Zr)C carbide platelets, but morphology and the amount of eutectic carbide does not change and grain growth is not observed. © Plenum Publishing Corporation 1989 |
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Effect of crystallization rate on the structure of alloys in the Nb-Zr-C system |
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