Analysis of precipitation, dissolution and incipient melting of Al2Cu in B206 Al alloy using in-situ neutron diffraction
The B206 Al alloy is a commonly used automotive alloy for powertrain, suspension and chassis components. Heat treatment is an important post-casting process used to improve the mechanical properties of cast components. Improvement of the heat treatment process requires a better understanding of phas...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Lombardi, A. [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
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2019transfer abstract |
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| Umfang: |
9 |
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| Übergeordnetes Werk: |
Enthalten in: Factors associated with canine resource guarding behaviour in the presence of people: A cross-sectional survey of dog owners - Jacobs, Jacquelyn A. ELSEVIER, 2017, JAL : an interdisciplinary journal of materials science and solid-state chemistry and physics, Lausanne |
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| Übergeordnetes Werk: |
volume:784 ; year:2019 ; day:5 ; month:05 ; pages:1017-1025 ; extent:9 |
| Links: |
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| DOI / URN: |
10.1016/j.jallcom.2019.01.104 |
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ELV045942269 |
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| 245 | 1 | 0 | |a Analysis of precipitation, dissolution and incipient melting of Al2Cu in B206 Al alloy using in-situ neutron diffraction |
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| 520 | |a The B206 Al alloy is a commonly used automotive alloy for powertrain, suspension and chassis components. Heat treatment is an important post-casting process used to improve the mechanical properties of cast components. Improvement of the heat treatment process requires a better understanding of phase evolution of Al2Cu as a function of temperature. In this study, a novel application of in-situ neutron diffraction was used to examine precipitation, dissolution and incipient melting characteristics of Al2Cu as a function of temperature during sample heating. Additional experiments, where samples were quenched at each examined temperature and analyzed in the SEM, were performed to confirm the reason for changes in the amount of Al2Cu at each stage. The results show that neutron diffraction effectively measured Al2Cu precipitation at temperatures between 200 and 440 °C. At temperatures between 460 and 520 °C, the reduction in Al2Cu peak intensity was due to dissolution of precipitates and interdendritic Al2Cu, while above 530 °C, it was primarily due to incipient melting. This research suggests that neutron diffraction is an effective technique in the in-situ analysis of solid-state and solid-to-liquid state phase transformations during heating. | ||
| 520 | |a The B206 Al alloy is a commonly used automotive alloy for powertrain, suspension and chassis components. Heat treatment is an important post-casting process used to improve the mechanical properties of cast components. Improvement of the heat treatment process requires a better understanding of phase evolution of Al2Cu as a function of temperature. In this study, a novel application of in-situ neutron diffraction was used to examine precipitation, dissolution and incipient melting characteristics of Al2Cu as a function of temperature during sample heating. Additional experiments, where samples were quenched at each examined temperature and analyzed in the SEM, were performed to confirm the reason for changes in the amount of Al2Cu at each stage. The results show that neutron diffraction effectively measured Al2Cu precipitation at temperatures between 200 and 440 °C. At temperatures between 460 and 520 °C, the reduction in Al2Cu peak intensity was due to dissolution of precipitates and interdendritic Al2Cu, while above 530 °C, it was primarily due to incipient melting. This research suggests that neutron diffraction is an effective technique in the in-situ analysis of solid-state and solid-to-liquid state phase transformations during heating. | ||
| 650 | 7 | |a Incipient melting |2 Elsevier | |
| 650 | 7 | |a Heat treatment |2 Elsevier | |
| 650 | 7 | |a In-situ neutron diffraction |2 Elsevier | |
| 650 | 7 | |a B206 Al alloy |2 Elsevier | |
| 650 | 7 | |a Solid-state phase transformation |2 Elsevier | |
| 700 | 1 | |a Sediako, D. |4 oth | |
| 700 | 1 | |a Ravindran, C. |4 oth | |
| 700 | 1 | |a Barati, M. |4 oth | |
| 773 | 0 | 8 | |i Enthalten in |n Elsevier |a Jacobs, Jacquelyn A. ELSEVIER |t Factors associated with canine resource guarding behaviour in the presence of people: A cross-sectional survey of dog owners |d 2017 |d JAL : an interdisciplinary journal of materials science and solid-state chemistry and physics |g Lausanne |w (DE-627)ELV001115774 |
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10.1016/j.jallcom.2019.01.104 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001207.pica (DE-627)ELV045942269 (ELSEVIER)S0925-8388(19)30112-4 DE-627 ger DE-627 rakwb eng 630 VZ Lombardi, A. verfasserin aut Analysis of precipitation, dissolution and incipient melting of Al2Cu in B206 Al alloy using in-situ neutron diffraction 2019transfer abstract 9 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The B206 Al alloy is a commonly used automotive alloy for powertrain, suspension and chassis components. Heat treatment is an important post-casting process used to improve the mechanical properties of cast components. Improvement of the heat treatment process requires a better understanding of phase evolution of Al2Cu as a function of temperature. In this study, a novel application of in-situ neutron diffraction was used to examine precipitation, dissolution and incipient melting characteristics of Al2Cu as a function of temperature during sample heating. Additional experiments, where samples were quenched at each examined temperature and analyzed in the SEM, were performed to confirm the reason for changes in the amount of Al2Cu at each stage. The results show that neutron diffraction effectively measured Al2Cu precipitation at temperatures between 200 and 440 °C. At temperatures between 460 and 520 °C, the reduction in Al2Cu peak intensity was due to dissolution of precipitates and interdendritic Al2Cu, while above 530 °C, it was primarily due to incipient melting. This research suggests that neutron diffraction is an effective technique in the in-situ analysis of solid-state and solid-to-liquid state phase transformations during heating. The B206 Al alloy is a commonly used automotive alloy for powertrain, suspension and chassis components. Heat treatment is an important post-casting process used to improve the mechanical properties of cast components. Improvement of the heat treatment process requires a better understanding of phase evolution of Al2Cu as a function of temperature. In this study, a novel application of in-situ neutron diffraction was used to examine precipitation, dissolution and incipient melting characteristics of Al2Cu as a function of temperature during sample heating. Additional experiments, where samples were quenched at each examined temperature and analyzed in the SEM, were performed to confirm the reason for changes in the amount of Al2Cu at each stage. The results show that neutron diffraction effectively measured Al2Cu precipitation at temperatures between 200 and 440 °C. At temperatures between 460 and 520 °C, the reduction in Al2Cu peak intensity was due to dissolution of precipitates and interdendritic Al2Cu, while above 530 °C, it was primarily due to incipient melting. This research suggests that neutron diffraction is an effective technique in the in-situ analysis of solid-state and solid-to-liquid state phase transformations during heating. Incipient melting Elsevier Heat treatment Elsevier In-situ neutron diffraction Elsevier B206 Al alloy Elsevier Solid-state phase transformation Elsevier Sediako, D. oth Ravindran, C. oth Barati, M. oth Enthalten in Elsevier Jacobs, Jacquelyn A. ELSEVIER Factors associated with canine resource guarding behaviour in the presence of people: A cross-sectional survey of dog owners 2017 JAL : an interdisciplinary journal of materials science and solid-state chemistry and physics Lausanne (DE-627)ELV001115774 volume:784 year:2019 day:5 month:05 pages:1017-1025 extent:9 https://doi.org/10.1016/j.jallcom.2019.01.104 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA AR 784 2019 5 0505 1017-1025 9 |
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10.1016/j.jallcom.2019.01.104 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001207.pica (DE-627)ELV045942269 (ELSEVIER)S0925-8388(19)30112-4 DE-627 ger DE-627 rakwb eng 630 VZ Lombardi, A. verfasserin aut Analysis of precipitation, dissolution and incipient melting of Al2Cu in B206 Al alloy using in-situ neutron diffraction 2019transfer abstract 9 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The B206 Al alloy is a commonly used automotive alloy for powertrain, suspension and chassis components. Heat treatment is an important post-casting process used to improve the mechanical properties of cast components. Improvement of the heat treatment process requires a better understanding of phase evolution of Al2Cu as a function of temperature. In this study, a novel application of in-situ neutron diffraction was used to examine precipitation, dissolution and incipient melting characteristics of Al2Cu as a function of temperature during sample heating. Additional experiments, where samples were quenched at each examined temperature and analyzed in the SEM, were performed to confirm the reason for changes in the amount of Al2Cu at each stage. The results show that neutron diffraction effectively measured Al2Cu precipitation at temperatures between 200 and 440 °C. At temperatures between 460 and 520 °C, the reduction in Al2Cu peak intensity was due to dissolution of precipitates and interdendritic Al2Cu, while above 530 °C, it was primarily due to incipient melting. This research suggests that neutron diffraction is an effective technique in the in-situ analysis of solid-state and solid-to-liquid state phase transformations during heating. The B206 Al alloy is a commonly used automotive alloy for powertrain, suspension and chassis components. Heat treatment is an important post-casting process used to improve the mechanical properties of cast components. Improvement of the heat treatment process requires a better understanding of phase evolution of Al2Cu as a function of temperature. In this study, a novel application of in-situ neutron diffraction was used to examine precipitation, dissolution and incipient melting characteristics of Al2Cu as a function of temperature during sample heating. Additional experiments, where samples were quenched at each examined temperature and analyzed in the SEM, were performed to confirm the reason for changes in the amount of Al2Cu at each stage. The results show that neutron diffraction effectively measured Al2Cu precipitation at temperatures between 200 and 440 °C. At temperatures between 460 and 520 °C, the reduction in Al2Cu peak intensity was due to dissolution of precipitates and interdendritic Al2Cu, while above 530 °C, it was primarily due to incipient melting. This research suggests that neutron diffraction is an effective technique in the in-situ analysis of solid-state and solid-to-liquid state phase transformations during heating. Incipient melting Elsevier Heat treatment Elsevier In-situ neutron diffraction Elsevier B206 Al alloy Elsevier Solid-state phase transformation Elsevier Sediako, D. oth Ravindran, C. oth Barati, M. oth Enthalten in Elsevier Jacobs, Jacquelyn A. ELSEVIER Factors associated with canine resource guarding behaviour in the presence of people: A cross-sectional survey of dog owners 2017 JAL : an interdisciplinary journal of materials science and solid-state chemistry and physics Lausanne (DE-627)ELV001115774 volume:784 year:2019 day:5 month:05 pages:1017-1025 extent:9 https://doi.org/10.1016/j.jallcom.2019.01.104 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA AR 784 2019 5 0505 1017-1025 9 |
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10.1016/j.jallcom.2019.01.104 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001207.pica (DE-627)ELV045942269 (ELSEVIER)S0925-8388(19)30112-4 DE-627 ger DE-627 rakwb eng 630 VZ Lombardi, A. verfasserin aut Analysis of precipitation, dissolution and incipient melting of Al2Cu in B206 Al alloy using in-situ neutron diffraction 2019transfer abstract 9 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The B206 Al alloy is a commonly used automotive alloy for powertrain, suspension and chassis components. Heat treatment is an important post-casting process used to improve the mechanical properties of cast components. Improvement of the heat treatment process requires a better understanding of phase evolution of Al2Cu as a function of temperature. In this study, a novel application of in-situ neutron diffraction was used to examine precipitation, dissolution and incipient melting characteristics of Al2Cu as a function of temperature during sample heating. Additional experiments, where samples were quenched at each examined temperature and analyzed in the SEM, were performed to confirm the reason for changes in the amount of Al2Cu at each stage. The results show that neutron diffraction effectively measured Al2Cu precipitation at temperatures between 200 and 440 °C. At temperatures between 460 and 520 °C, the reduction in Al2Cu peak intensity was due to dissolution of precipitates and interdendritic Al2Cu, while above 530 °C, it was primarily due to incipient melting. This research suggests that neutron diffraction is an effective technique in the in-situ analysis of solid-state and solid-to-liquid state phase transformations during heating. The B206 Al alloy is a commonly used automotive alloy for powertrain, suspension and chassis components. Heat treatment is an important post-casting process used to improve the mechanical properties of cast components. Improvement of the heat treatment process requires a better understanding of phase evolution of Al2Cu as a function of temperature. In this study, a novel application of in-situ neutron diffraction was used to examine precipitation, dissolution and incipient melting characteristics of Al2Cu as a function of temperature during sample heating. Additional experiments, where samples were quenched at each examined temperature and analyzed in the SEM, were performed to confirm the reason for changes in the amount of Al2Cu at each stage. The results show that neutron diffraction effectively measured Al2Cu precipitation at temperatures between 200 and 440 °C. At temperatures between 460 and 520 °C, the reduction in Al2Cu peak intensity was due to dissolution of precipitates and interdendritic Al2Cu, while above 530 °C, it was primarily due to incipient melting. This research suggests that neutron diffraction is an effective technique in the in-situ analysis of solid-state and solid-to-liquid state phase transformations during heating. Incipient melting Elsevier Heat treatment Elsevier In-situ neutron diffraction Elsevier B206 Al alloy Elsevier Solid-state phase transformation Elsevier Sediako, D. oth Ravindran, C. oth Barati, M. oth Enthalten in Elsevier Jacobs, Jacquelyn A. ELSEVIER Factors associated with canine resource guarding behaviour in the presence of people: A cross-sectional survey of dog owners 2017 JAL : an interdisciplinary journal of materials science and solid-state chemistry and physics Lausanne (DE-627)ELV001115774 volume:784 year:2019 day:5 month:05 pages:1017-1025 extent:9 https://doi.org/10.1016/j.jallcom.2019.01.104 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA AR 784 2019 5 0505 1017-1025 9 |
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10.1016/j.jallcom.2019.01.104 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001207.pica (DE-627)ELV045942269 (ELSEVIER)S0925-8388(19)30112-4 DE-627 ger DE-627 rakwb eng 630 VZ Lombardi, A. verfasserin aut Analysis of precipitation, dissolution and incipient melting of Al2Cu in B206 Al alloy using in-situ neutron diffraction 2019transfer abstract 9 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The B206 Al alloy is a commonly used automotive alloy for powertrain, suspension and chassis components. Heat treatment is an important post-casting process used to improve the mechanical properties of cast components. Improvement of the heat treatment process requires a better understanding of phase evolution of Al2Cu as a function of temperature. In this study, a novel application of in-situ neutron diffraction was used to examine precipitation, dissolution and incipient melting characteristics of Al2Cu as a function of temperature during sample heating. Additional experiments, where samples were quenched at each examined temperature and analyzed in the SEM, were performed to confirm the reason for changes in the amount of Al2Cu at each stage. The results show that neutron diffraction effectively measured Al2Cu precipitation at temperatures between 200 and 440 °C. At temperatures between 460 and 520 °C, the reduction in Al2Cu peak intensity was due to dissolution of precipitates and interdendritic Al2Cu, while above 530 °C, it was primarily due to incipient melting. This research suggests that neutron diffraction is an effective technique in the in-situ analysis of solid-state and solid-to-liquid state phase transformations during heating. The B206 Al alloy is a commonly used automotive alloy for powertrain, suspension and chassis components. Heat treatment is an important post-casting process used to improve the mechanical properties of cast components. Improvement of the heat treatment process requires a better understanding of phase evolution of Al2Cu as a function of temperature. In this study, a novel application of in-situ neutron diffraction was used to examine precipitation, dissolution and incipient melting characteristics of Al2Cu as a function of temperature during sample heating. Additional experiments, where samples were quenched at each examined temperature and analyzed in the SEM, were performed to confirm the reason for changes in the amount of Al2Cu at each stage. The results show that neutron diffraction effectively measured Al2Cu precipitation at temperatures between 200 and 440 °C. At temperatures between 460 and 520 °C, the reduction in Al2Cu peak intensity was due to dissolution of precipitates and interdendritic Al2Cu, while above 530 °C, it was primarily due to incipient melting. This research suggests that neutron diffraction is an effective technique in the in-situ analysis of solid-state and solid-to-liquid state phase transformations during heating. Incipient melting Elsevier Heat treatment Elsevier In-situ neutron diffraction Elsevier B206 Al alloy Elsevier Solid-state phase transformation Elsevier Sediako, D. oth Ravindran, C. oth Barati, M. oth Enthalten in Elsevier Jacobs, Jacquelyn A. ELSEVIER Factors associated with canine resource guarding behaviour in the presence of people: A cross-sectional survey of dog owners 2017 JAL : an interdisciplinary journal of materials science and solid-state chemistry and physics Lausanne (DE-627)ELV001115774 volume:784 year:2019 day:5 month:05 pages:1017-1025 extent:9 https://doi.org/10.1016/j.jallcom.2019.01.104 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA AR 784 2019 5 0505 1017-1025 9 |
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10.1016/j.jallcom.2019.01.104 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001207.pica (DE-627)ELV045942269 (ELSEVIER)S0925-8388(19)30112-4 DE-627 ger DE-627 rakwb eng 630 VZ Lombardi, A. verfasserin aut Analysis of precipitation, dissolution and incipient melting of Al2Cu in B206 Al alloy using in-situ neutron diffraction 2019transfer abstract 9 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The B206 Al alloy is a commonly used automotive alloy for powertrain, suspension and chassis components. Heat treatment is an important post-casting process used to improve the mechanical properties of cast components. Improvement of the heat treatment process requires a better understanding of phase evolution of Al2Cu as a function of temperature. In this study, a novel application of in-situ neutron diffraction was used to examine precipitation, dissolution and incipient melting characteristics of Al2Cu as a function of temperature during sample heating. Additional experiments, where samples were quenched at each examined temperature and analyzed in the SEM, were performed to confirm the reason for changes in the amount of Al2Cu at each stage. The results show that neutron diffraction effectively measured Al2Cu precipitation at temperatures between 200 and 440 °C. At temperatures between 460 and 520 °C, the reduction in Al2Cu peak intensity was due to dissolution of precipitates and interdendritic Al2Cu, while above 530 °C, it was primarily due to incipient melting. This research suggests that neutron diffraction is an effective technique in the in-situ analysis of solid-state and solid-to-liquid state phase transformations during heating. The B206 Al alloy is a commonly used automotive alloy for powertrain, suspension and chassis components. Heat treatment is an important post-casting process used to improve the mechanical properties of cast components. Improvement of the heat treatment process requires a better understanding of phase evolution of Al2Cu as a function of temperature. In this study, a novel application of in-situ neutron diffraction was used to examine precipitation, dissolution and incipient melting characteristics of Al2Cu as a function of temperature during sample heating. Additional experiments, where samples were quenched at each examined temperature and analyzed in the SEM, were performed to confirm the reason for changes in the amount of Al2Cu at each stage. The results show that neutron diffraction effectively measured Al2Cu precipitation at temperatures between 200 and 440 °C. At temperatures between 460 and 520 °C, the reduction in Al2Cu peak intensity was due to dissolution of precipitates and interdendritic Al2Cu, while above 530 °C, it was primarily due to incipient melting. This research suggests that neutron diffraction is an effective technique in the in-situ analysis of solid-state and solid-to-liquid state phase transformations during heating. Incipient melting Elsevier Heat treatment Elsevier In-situ neutron diffraction Elsevier B206 Al alloy Elsevier Solid-state phase transformation Elsevier Sediako, D. oth Ravindran, C. oth Barati, M. oth Enthalten in Elsevier Jacobs, Jacquelyn A. ELSEVIER Factors associated with canine resource guarding behaviour in the presence of people: A cross-sectional survey of dog owners 2017 JAL : an interdisciplinary journal of materials science and solid-state chemistry and physics Lausanne (DE-627)ELV001115774 volume:784 year:2019 day:5 month:05 pages:1017-1025 extent:9 https://doi.org/10.1016/j.jallcom.2019.01.104 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA AR 784 2019 5 0505 1017-1025 9 |
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Enthalten in Factors associated with canine resource guarding behaviour in the presence of people: A cross-sectional survey of dog owners Lausanne volume:784 year:2019 day:5 month:05 pages:1017-1025 extent:9 |
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Heat treatment is an important post-casting process used to improve the mechanical properties of cast components. Improvement of the heat treatment process requires a better understanding of phase evolution of Al2Cu as a function of temperature. In this study, a novel application of in-situ neutron diffraction was used to examine precipitation, dissolution and incipient melting characteristics of Al2Cu as a function of temperature during sample heating. Additional experiments, where samples were quenched at each examined temperature and analyzed in the SEM, were performed to confirm the reason for changes in the amount of Al2Cu at each stage. The results show that neutron diffraction effectively measured Al2Cu precipitation at temperatures between 200 and 440 °C. At temperatures between 460 and 520 °C, the reduction in Al2Cu peak intensity was due to dissolution of precipitates and interdendritic Al2Cu, while above 530 °C, it was primarily due to incipient melting. 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Additional experiments, where samples were quenched at each examined temperature and analyzed in the SEM, were performed to confirm the reason for changes in the amount of Al2Cu at each stage. The results show that neutron diffraction effectively measured Al2Cu precipitation at temperatures between 200 and 440 °C. At temperatures between 460 and 520 °C, the reduction in Al2Cu peak intensity was due to dissolution of precipitates and interdendritic Al2Cu, while above 530 °C, it was primarily due to incipient melting. 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Factors associated with canine resource guarding behaviour in the presence of people: A cross-sectional survey of dog owners |
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Analysis of precipitation, dissolution and incipient melting of Al2Cu in B206 Al alloy using in-situ neutron diffraction |
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Factors associated with canine resource guarding behaviour in the presence of people: A cross-sectional survey of dog owners |
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analysis of precipitation, dissolution and incipient melting of al2cu in b206 al alloy using in-situ neutron diffraction |
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Analysis of precipitation, dissolution and incipient melting of Al2Cu in B206 Al alloy using in-situ neutron diffraction |
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The B206 Al alloy is a commonly used automotive alloy for powertrain, suspension and chassis components. Heat treatment is an important post-casting process used to improve the mechanical properties of cast components. Improvement of the heat treatment process requires a better understanding of phase evolution of Al2Cu as a function of temperature. In this study, a novel application of in-situ neutron diffraction was used to examine precipitation, dissolution and incipient melting characteristics of Al2Cu as a function of temperature during sample heating. Additional experiments, where samples were quenched at each examined temperature and analyzed in the SEM, were performed to confirm the reason for changes in the amount of Al2Cu at each stage. The results show that neutron diffraction effectively measured Al2Cu precipitation at temperatures between 200 and 440 °C. At temperatures between 460 and 520 °C, the reduction in Al2Cu peak intensity was due to dissolution of precipitates and interdendritic Al2Cu, while above 530 °C, it was primarily due to incipient melting. This research suggests that neutron diffraction is an effective technique in the in-situ analysis of solid-state and solid-to-liquid state phase transformations during heating. |
| abstractGer |
The B206 Al alloy is a commonly used automotive alloy for powertrain, suspension and chassis components. Heat treatment is an important post-casting process used to improve the mechanical properties of cast components. Improvement of the heat treatment process requires a better understanding of phase evolution of Al2Cu as a function of temperature. In this study, a novel application of in-situ neutron diffraction was used to examine precipitation, dissolution and incipient melting characteristics of Al2Cu as a function of temperature during sample heating. Additional experiments, where samples were quenched at each examined temperature and analyzed in the SEM, were performed to confirm the reason for changes in the amount of Al2Cu at each stage. The results show that neutron diffraction effectively measured Al2Cu precipitation at temperatures between 200 and 440 °C. At temperatures between 460 and 520 °C, the reduction in Al2Cu peak intensity was due to dissolution of precipitates and interdendritic Al2Cu, while above 530 °C, it was primarily due to incipient melting. This research suggests that neutron diffraction is an effective technique in the in-situ analysis of solid-state and solid-to-liquid state phase transformations during heating. |
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The B206 Al alloy is a commonly used automotive alloy for powertrain, suspension and chassis components. Heat treatment is an important post-casting process used to improve the mechanical properties of cast components. Improvement of the heat treatment process requires a better understanding of phase evolution of Al2Cu as a function of temperature. In this study, a novel application of in-situ neutron diffraction was used to examine precipitation, dissolution and incipient melting characteristics of Al2Cu as a function of temperature during sample heating. Additional experiments, where samples were quenched at each examined temperature and analyzed in the SEM, were performed to confirm the reason for changes in the amount of Al2Cu at each stage. The results show that neutron diffraction effectively measured Al2Cu precipitation at temperatures between 200 and 440 °C. At temperatures between 460 and 520 °C, the reduction in Al2Cu peak intensity was due to dissolution of precipitates and interdendritic Al2Cu, while above 530 °C, it was primarily due to incipient melting. This research suggests that neutron diffraction is an effective technique in the in-situ analysis of solid-state and solid-to-liquid state phase transformations during heating. |
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Analysis of precipitation, dissolution and incipient melting of Al2Cu in B206 Al alloy using in-situ neutron diffraction |
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