Analysis of deformed $ YBa_{2} $$ Cu_{3} $$ O_{7−δ} $
Abstract In this study, polycrystalline $ YBa_{2} $$ Cu_{3} $$ O_{7−δ} $ (123) was deformed under controlled conditions with a confining pressure of 1.0GPa, temperatures of 25, 500 and 800° C, and a strain rate of $ 10^{−4} $ $ sec^{−1} $ in order to ascertain the micromechanisms of deformation that...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Kramer, M. J. [verfasserIn] |
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| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
1990 |
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| Schlagwörter: |
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| Anmerkung: |
© Chapman and Hall Ltd 1990 |
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| Übergeordnetes Werk: |
Enthalten in: Journal of materials science - Kluwer Academic Publishers, 1966, 25(1990), 4 vom: Apr., Seite 1978-1986 |
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| Übergeordnetes Werk: |
volume:25 ; year:1990 ; number:4 ; month:04 ; pages:1978-1986 |
| Links: |
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| DOI / URN: |
10.1007/BF01045752 |
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| Katalog-ID: |
OLC2046167961 |
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| 245 | 1 | 0 | |a Analysis of deformed $ YBa_{2} $$ Cu_{3} $$ O_{7−δ} $ |
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| 520 | |a Abstract In this study, polycrystalline $ YBa_{2} $$ Cu_{3} $$ O_{7−δ} $ (123) was deformed under controlled conditions with a confining pressure of 1.0GPa, temperatures of 25, 500 and 800° C, and a strain rate of $ 10^{−4} $ $ sec^{−1} $ in order to ascertain the micromechanisms of deformation that give rise to the macroscopic plastic behaviour. The deformed material was analysed using optical microscopy, transmission electron microscopy (TEM), and a SQUID magnetometer to study the effects of deformation on the microstructure of $ YBa_{2} $$ Cu_{3} $$ O_{7−δ} $ and how changes in the microstructure affected the superconducting properties. The results of these preliminary experiments suggest that the 123 material will be very difficult to deform plastically as slip occurs only on the (001) plane. The lack of multiple slip systems implies that this material will show some brittle behaviour up to a very high homologous temperature. Even when plastic behaviour can be sustained for high strains it may require high annealing temperatures to remove lattice imperfections which impede the superconducting currents. Densification by high pressure deformation may make reoxygenation difficult due to the reduced diffusion rates between the grains. These factors combined suggest that traditional fabrication techniques are not applicable to the 123 material. More work needs to be carried out to determine how annealing affects the microstructures of deformed materials and how these changes in microstructure affect the superconducting properties of these materials. | ||
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10.1007/BF01045752 doi (DE-627)OLC2046167961 (DE-He213)BF01045752-p DE-627 ger DE-627 rakwb eng 670 VZ Kramer, M. J. verfasserin aut Analysis of deformed $ YBa_{2} $$ Cu_{3} $$ O_{7−δ} $ 1990 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Chapman and Hall Ltd 1990 Abstract In this study, polycrystalline $ YBa_{2} $$ Cu_{3} $$ O_{7−δ} $ (123) was deformed under controlled conditions with a confining pressure of 1.0GPa, temperatures of 25, 500 and 800° C, and a strain rate of $ 10^{−4} $ $ sec^{−1} $ in order to ascertain the micromechanisms of deformation that give rise to the macroscopic plastic behaviour. The deformed material was analysed using optical microscopy, transmission electron microscopy (TEM), and a SQUID magnetometer to study the effects of deformation on the microstructure of $ YBa_{2} $$ Cu_{3} $$ O_{7−δ} $ and how changes in the microstructure affected the superconducting properties. The results of these preliminary experiments suggest that the 123 material will be very difficult to deform plastically as slip occurs only on the (001) plane. The lack of multiple slip systems implies that this material will show some brittle behaviour up to a very high homologous temperature. Even when plastic behaviour can be sustained for high strains it may require high annealing temperatures to remove lattice imperfections which impede the superconducting currents. Densification by high pressure deformation may make reoxygenation difficult due to the reduced diffusion rates between the grains. These factors combined suggest that traditional fabrication techniques are not applicable to the 123 material. More work needs to be carried out to determine how annealing affects the microstructures of deformed materials and how these changes in microstructure affect the superconducting properties of these materials. Microstructure Slip System High Annealing Temperature Plastic Behaviour High Annealing Chumbley, L. S. aut McCallum, R. W. aut Enthalten in Journal of materials science Kluwer Academic Publishers, 1966 25(1990), 4 vom: Apr., Seite 1978-1986 (DE-627)129546372 (DE-600)218324-9 (DE-576)014996774 0022-2461 nnns volume:25 year:1990 number:4 month:04 pages:1978-1986 https://doi.org/10.1007/BF01045752 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_11 GBV_ILN_20 GBV_ILN_23 GBV_ILN_30 GBV_ILN_32 GBV_ILN_40 GBV_ILN_62 GBV_ILN_65 GBV_ILN_70 GBV_ILN_2004 GBV_ILN_2006 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2057 GBV_ILN_4082 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4316 GBV_ILN_4319 GBV_ILN_4323 GBV_ILN_4700 AR 25 1990 4 04 1978-1986 |
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10.1007/BF01045752 doi (DE-627)OLC2046167961 (DE-He213)BF01045752-p DE-627 ger DE-627 rakwb eng 670 VZ Kramer, M. J. verfasserin aut Analysis of deformed $ YBa_{2} $$ Cu_{3} $$ O_{7−δ} $ 1990 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Chapman and Hall Ltd 1990 Abstract In this study, polycrystalline $ YBa_{2} $$ Cu_{3} $$ O_{7−δ} $ (123) was deformed under controlled conditions with a confining pressure of 1.0GPa, temperatures of 25, 500 and 800° C, and a strain rate of $ 10^{−4} $ $ sec^{−1} $ in order to ascertain the micromechanisms of deformation that give rise to the macroscopic plastic behaviour. The deformed material was analysed using optical microscopy, transmission electron microscopy (TEM), and a SQUID magnetometer to study the effects of deformation on the microstructure of $ YBa_{2} $$ Cu_{3} $$ O_{7−δ} $ and how changes in the microstructure affected the superconducting properties. The results of these preliminary experiments suggest that the 123 material will be very difficult to deform plastically as slip occurs only on the (001) plane. The lack of multiple slip systems implies that this material will show some brittle behaviour up to a very high homologous temperature. Even when plastic behaviour can be sustained for high strains it may require high annealing temperatures to remove lattice imperfections which impede the superconducting currents. Densification by high pressure deformation may make reoxygenation difficult due to the reduced diffusion rates between the grains. These factors combined suggest that traditional fabrication techniques are not applicable to the 123 material. More work needs to be carried out to determine how annealing affects the microstructures of deformed materials and how these changes in microstructure affect the superconducting properties of these materials. Microstructure Slip System High Annealing Temperature Plastic Behaviour High Annealing Chumbley, L. S. aut McCallum, R. W. aut Enthalten in Journal of materials science Kluwer Academic Publishers, 1966 25(1990), 4 vom: Apr., Seite 1978-1986 (DE-627)129546372 (DE-600)218324-9 (DE-576)014996774 0022-2461 nnns volume:25 year:1990 number:4 month:04 pages:1978-1986 https://doi.org/10.1007/BF01045752 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_11 GBV_ILN_20 GBV_ILN_23 GBV_ILN_30 GBV_ILN_32 GBV_ILN_40 GBV_ILN_62 GBV_ILN_65 GBV_ILN_70 GBV_ILN_2004 GBV_ILN_2006 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2057 GBV_ILN_4082 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4316 GBV_ILN_4319 GBV_ILN_4323 GBV_ILN_4700 AR 25 1990 4 04 1978-1986 |
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10.1007/BF01045752 doi (DE-627)OLC2046167961 (DE-He213)BF01045752-p DE-627 ger DE-627 rakwb eng 670 VZ Kramer, M. J. verfasserin aut Analysis of deformed $ YBa_{2} $$ Cu_{3} $$ O_{7−δ} $ 1990 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Chapman and Hall Ltd 1990 Abstract In this study, polycrystalline $ YBa_{2} $$ Cu_{3} $$ O_{7−δ} $ (123) was deformed under controlled conditions with a confining pressure of 1.0GPa, temperatures of 25, 500 and 800° C, and a strain rate of $ 10^{−4} $ $ sec^{−1} $ in order to ascertain the micromechanisms of deformation that give rise to the macroscopic plastic behaviour. The deformed material was analysed using optical microscopy, transmission electron microscopy (TEM), and a SQUID magnetometer to study the effects of deformation on the microstructure of $ YBa_{2} $$ Cu_{3} $$ O_{7−δ} $ and how changes in the microstructure affected the superconducting properties. The results of these preliminary experiments suggest that the 123 material will be very difficult to deform plastically as slip occurs only on the (001) plane. The lack of multiple slip systems implies that this material will show some brittle behaviour up to a very high homologous temperature. Even when plastic behaviour can be sustained for high strains it may require high annealing temperatures to remove lattice imperfections which impede the superconducting currents. Densification by high pressure deformation may make reoxygenation difficult due to the reduced diffusion rates between the grains. These factors combined suggest that traditional fabrication techniques are not applicable to the 123 material. More work needs to be carried out to determine how annealing affects the microstructures of deformed materials and how these changes in microstructure affect the superconducting properties of these materials. Microstructure Slip System High Annealing Temperature Plastic Behaviour High Annealing Chumbley, L. S. aut McCallum, R. W. aut Enthalten in Journal of materials science Kluwer Academic Publishers, 1966 25(1990), 4 vom: Apr., Seite 1978-1986 (DE-627)129546372 (DE-600)218324-9 (DE-576)014996774 0022-2461 nnns volume:25 year:1990 number:4 month:04 pages:1978-1986 https://doi.org/10.1007/BF01045752 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_11 GBV_ILN_20 GBV_ILN_23 GBV_ILN_30 GBV_ILN_32 GBV_ILN_40 GBV_ILN_62 GBV_ILN_65 GBV_ILN_70 GBV_ILN_2004 GBV_ILN_2006 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2057 GBV_ILN_4082 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4316 GBV_ILN_4319 GBV_ILN_4323 GBV_ILN_4700 AR 25 1990 4 04 1978-1986 |
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10.1007/BF01045752 doi (DE-627)OLC2046167961 (DE-He213)BF01045752-p DE-627 ger DE-627 rakwb eng 670 VZ Kramer, M. J. verfasserin aut Analysis of deformed $ YBa_{2} $$ Cu_{3} $$ O_{7−δ} $ 1990 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Chapman and Hall Ltd 1990 Abstract In this study, polycrystalline $ YBa_{2} $$ Cu_{3} $$ O_{7−δ} $ (123) was deformed under controlled conditions with a confining pressure of 1.0GPa, temperatures of 25, 500 and 800° C, and a strain rate of $ 10^{−4} $ $ sec^{−1} $ in order to ascertain the micromechanisms of deformation that give rise to the macroscopic plastic behaviour. The deformed material was analysed using optical microscopy, transmission electron microscopy (TEM), and a SQUID magnetometer to study the effects of deformation on the microstructure of $ YBa_{2} $$ Cu_{3} $$ O_{7−δ} $ and how changes in the microstructure affected the superconducting properties. The results of these preliminary experiments suggest that the 123 material will be very difficult to deform plastically as slip occurs only on the (001) plane. The lack of multiple slip systems implies that this material will show some brittle behaviour up to a very high homologous temperature. Even when plastic behaviour can be sustained for high strains it may require high annealing temperatures to remove lattice imperfections which impede the superconducting currents. Densification by high pressure deformation may make reoxygenation difficult due to the reduced diffusion rates between the grains. These factors combined suggest that traditional fabrication techniques are not applicable to the 123 material. More work needs to be carried out to determine how annealing affects the microstructures of deformed materials and how these changes in microstructure affect the superconducting properties of these materials. Microstructure Slip System High Annealing Temperature Plastic Behaviour High Annealing Chumbley, L. S. aut McCallum, R. W. aut Enthalten in Journal of materials science Kluwer Academic Publishers, 1966 25(1990), 4 vom: Apr., Seite 1978-1986 (DE-627)129546372 (DE-600)218324-9 (DE-576)014996774 0022-2461 nnns volume:25 year:1990 number:4 month:04 pages:1978-1986 https://doi.org/10.1007/BF01045752 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_11 GBV_ILN_20 GBV_ILN_23 GBV_ILN_30 GBV_ILN_32 GBV_ILN_40 GBV_ILN_62 GBV_ILN_65 GBV_ILN_70 GBV_ILN_2004 GBV_ILN_2006 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2057 GBV_ILN_4082 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4316 GBV_ILN_4319 GBV_ILN_4323 GBV_ILN_4700 AR 25 1990 4 04 1978-1986 |
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10.1007/BF01045752 doi (DE-627)OLC2046167961 (DE-He213)BF01045752-p DE-627 ger DE-627 rakwb eng 670 VZ Kramer, M. J. verfasserin aut Analysis of deformed $ YBa_{2} $$ Cu_{3} $$ O_{7−δ} $ 1990 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Chapman and Hall Ltd 1990 Abstract In this study, polycrystalline $ YBa_{2} $$ Cu_{3} $$ O_{7−δ} $ (123) was deformed under controlled conditions with a confining pressure of 1.0GPa, temperatures of 25, 500 and 800° C, and a strain rate of $ 10^{−4} $ $ sec^{−1} $ in order to ascertain the micromechanisms of deformation that give rise to the macroscopic plastic behaviour. The deformed material was analysed using optical microscopy, transmission electron microscopy (TEM), and a SQUID magnetometer to study the effects of deformation on the microstructure of $ YBa_{2} $$ Cu_{3} $$ O_{7−δ} $ and how changes in the microstructure affected the superconducting properties. The results of these preliminary experiments suggest that the 123 material will be very difficult to deform plastically as slip occurs only on the (001) plane. The lack of multiple slip systems implies that this material will show some brittle behaviour up to a very high homologous temperature. Even when plastic behaviour can be sustained for high strains it may require high annealing temperatures to remove lattice imperfections which impede the superconducting currents. Densification by high pressure deformation may make reoxygenation difficult due to the reduced diffusion rates between the grains. These factors combined suggest that traditional fabrication techniques are not applicable to the 123 material. More work needs to be carried out to determine how annealing affects the microstructures of deformed materials and how these changes in microstructure affect the superconducting properties of these materials. Microstructure Slip System High Annealing Temperature Plastic Behaviour High Annealing Chumbley, L. S. aut McCallum, R. W. aut Enthalten in Journal of materials science Kluwer Academic Publishers, 1966 25(1990), 4 vom: Apr., Seite 1978-1986 (DE-627)129546372 (DE-600)218324-9 (DE-576)014996774 0022-2461 nnns volume:25 year:1990 number:4 month:04 pages:1978-1986 https://doi.org/10.1007/BF01045752 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_11 GBV_ILN_20 GBV_ILN_23 GBV_ILN_30 GBV_ILN_32 GBV_ILN_40 GBV_ILN_62 GBV_ILN_65 GBV_ILN_70 GBV_ILN_2004 GBV_ILN_2006 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2057 GBV_ILN_4082 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4316 GBV_ILN_4319 GBV_ILN_4323 GBV_ILN_4700 AR 25 1990 4 04 1978-1986 |
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Enthalten in Journal of materials science 25(1990), 4 vom: Apr., Seite 1978-1986 volume:25 year:1990 number:4 month:04 pages:1978-1986 |
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analysis of deformed $ yba_{2} $$ cu_{3} $$ o_{7−δ} $ |
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Analysis of deformed $ YBa_{2} $$ Cu_{3} $$ O_{7−δ} $ |
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Abstract In this study, polycrystalline $ YBa_{2} $$ Cu_{3} $$ O_{7−δ} $ (123) was deformed under controlled conditions with a confining pressure of 1.0GPa, temperatures of 25, 500 and 800° C, and a strain rate of $ 10^{−4} $ $ sec^{−1} $ in order to ascertain the micromechanisms of deformation that give rise to the macroscopic plastic behaviour. The deformed material was analysed using optical microscopy, transmission electron microscopy (TEM), and a SQUID magnetometer to study the effects of deformation on the microstructure of $ YBa_{2} $$ Cu_{3} $$ O_{7−δ} $ and how changes in the microstructure affected the superconducting properties. The results of these preliminary experiments suggest that the 123 material will be very difficult to deform plastically as slip occurs only on the (001) plane. The lack of multiple slip systems implies that this material will show some brittle behaviour up to a very high homologous temperature. Even when plastic behaviour can be sustained for high strains it may require high annealing temperatures to remove lattice imperfections which impede the superconducting currents. Densification by high pressure deformation may make reoxygenation difficult due to the reduced diffusion rates between the grains. These factors combined suggest that traditional fabrication techniques are not applicable to the 123 material. More work needs to be carried out to determine how annealing affects the microstructures of deformed materials and how these changes in microstructure affect the superconducting properties of these materials. © Chapman and Hall Ltd 1990 |
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Abstract In this study, polycrystalline $ YBa_{2} $$ Cu_{3} $$ O_{7−δ} $ (123) was deformed under controlled conditions with a confining pressure of 1.0GPa, temperatures of 25, 500 and 800° C, and a strain rate of $ 10^{−4} $ $ sec^{−1} $ in order to ascertain the micromechanisms of deformation that give rise to the macroscopic plastic behaviour. The deformed material was analysed using optical microscopy, transmission electron microscopy (TEM), and a SQUID magnetometer to study the effects of deformation on the microstructure of $ YBa_{2} $$ Cu_{3} $$ O_{7−δ} $ and how changes in the microstructure affected the superconducting properties. The results of these preliminary experiments suggest that the 123 material will be very difficult to deform plastically as slip occurs only on the (001) plane. The lack of multiple slip systems implies that this material will show some brittle behaviour up to a very high homologous temperature. Even when plastic behaviour can be sustained for high strains it may require high annealing temperatures to remove lattice imperfections which impede the superconducting currents. Densification by high pressure deformation may make reoxygenation difficult due to the reduced diffusion rates between the grains. These factors combined suggest that traditional fabrication techniques are not applicable to the 123 material. More work needs to be carried out to determine how annealing affects the microstructures of deformed materials and how these changes in microstructure affect the superconducting properties of these materials. © Chapman and Hall Ltd 1990 |
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Abstract In this study, polycrystalline $ YBa_{2} $$ Cu_{3} $$ O_{7−δ} $ (123) was deformed under controlled conditions with a confining pressure of 1.0GPa, temperatures of 25, 500 and 800° C, and a strain rate of $ 10^{−4} $ $ sec^{−1} $ in order to ascertain the micromechanisms of deformation that give rise to the macroscopic plastic behaviour. The deformed material was analysed using optical microscopy, transmission electron microscopy (TEM), and a SQUID magnetometer to study the effects of deformation on the microstructure of $ YBa_{2} $$ Cu_{3} $$ O_{7−δ} $ and how changes in the microstructure affected the superconducting properties. The results of these preliminary experiments suggest that the 123 material will be very difficult to deform plastically as slip occurs only on the (001) plane. The lack of multiple slip systems implies that this material will show some brittle behaviour up to a very high homologous temperature. Even when plastic behaviour can be sustained for high strains it may require high annealing temperatures to remove lattice imperfections which impede the superconducting currents. Densification by high pressure deformation may make reoxygenation difficult due to the reduced diffusion rates between the grains. These factors combined suggest that traditional fabrication techniques are not applicable to the 123 material. More work needs to be carried out to determine how annealing affects the microstructures of deformed materials and how these changes in microstructure affect the superconducting properties of these materials. © Chapman and Hall Ltd 1990 |
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