Kinetic Analyses of the Growth and Dissolution Phenomena of Primary Si and α-Al in Partially Molten Al-Si (-Cu-Mg) Alloy Particles Using In Situ Transmission Electron Microscopy
Abstract The growth and dissolution behavior of primary Si and α-Al in partially molten hypereutectic Al-Si–based alloy particles was investigated using in situ TEM to reveal the dynamic and instantaneous processes occurring during these phenomena. Direct evidence for the preferential growth of Si {...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Eswara Moorthy, Santhana K. [verfasserIn] |
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| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2010 |
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| Schlagwörter: |
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| Anmerkung: |
© The Minerals, Metals & Materials Society and ASM International 2010 |
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| Übergeordnetes Werk: |
Enthalten in: Metallurgical and materials transactions / A - Springer US, 1994, 42(2010), 6 vom: 25. Nov., Seite 1667-1674 |
|---|---|
| Übergeordnetes Werk: |
volume:42 ; year:2010 ; number:6 ; day:25 ; month:11 ; pages:1667-1674 |
| Links: |
|---|
| DOI / URN: |
10.1007/s11661-010-0543-5 |
|---|
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OLC2054038113 |
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| 520 | |a Abstract The growth and dissolution behavior of primary Si and α-Al in partially molten hypereutectic Al-Si–based alloy particles was investigated using in situ TEM to reveal the dynamic and instantaneous processes occurring during these phenomena. Direct evidence for the preferential growth of Si {113} facets compared with {111} facets resulting in prominent {111} facets bounding the Si crystals was obtained. The nucleation of primary Si was found to occur heterogeneously on the encapsulating alumina shell, whereas the α-Al phase nucleated homogeneously from the liquid Al-Si phase. The morphology of primary Si during growth was found to be highly faceted during growth but smoothly curved during dissolution, revealing fundamental mechanistic differences during these processes. We provide a ledge-based interpretation to explain the difference in growth and dissolution behavior. The α-Al phase displayed smoothly curved growth and dissolution morphologies, which are characteristic of an isotropic interfacial energy and a continuous growth mechanism. | ||
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10.1007/s11661-010-0543-5 doi (DE-627)OLC2054038113 (DE-He213)s11661-010-0543-5-p DE-627 ger DE-627 rakwb eng 670 530 VZ 19,1 ssgn Eswara Moorthy, Santhana K. verfasserin aut Kinetic Analyses of the Growth and Dissolution Phenomena of Primary Si and α-Al in Partially Molten Al-Si (-Cu-Mg) Alloy Particles Using In Situ Transmission Electron Microscopy 2010 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © The Minerals, Metals & Materials Society and ASM International 2010 Abstract The growth and dissolution behavior of primary Si and α-Al in partially molten hypereutectic Al-Si–based alloy particles was investigated using in situ TEM to reveal the dynamic and instantaneous processes occurring during these phenomena. Direct evidence for the preferential growth of Si {113} facets compared with {111} facets resulting in prominent {111} facets bounding the Si crystals was obtained. The nucleation of primary Si was found to occur heterogeneously on the encapsulating alumina shell, whereas the α-Al phase nucleated homogeneously from the liquid Al-Si phase. The morphology of primary Si during growth was found to be highly faceted during growth but smoothly curved during dissolution, revealing fundamental mechanistic differences during these processes. We provide a ledge-based interpretation to explain the difference in growth and dissolution behavior. The α-Al phase displayed smoothly curved growth and dissolution morphologies, which are characteristic of an isotropic interfacial energy and a continuous growth mechanism. Dissolution Behavior Alloy Particle Oxide Shell Growth Twin Equilibrium Volume Fraction Howe, James M. aut Enthalten in Metallurgical and materials transactions / A Springer US, 1994 42(2010), 6 vom: 25. Nov., Seite 1667-1674 (DE-627)171342011 (DE-600)1179415-X (DE-576)038876930 1073-5623 nnns volume:42 year:2010 number:6 day:25 month:11 pages:1667-1674 https://doi.org/10.1007/s11661-010-0543-5 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY GBV_ILN_20 GBV_ILN_23 GBV_ILN_30 GBV_ILN_70 GBV_ILN_2006 GBV_ILN_2027 GBV_ILN_4116 GBV_ILN_4313 GBV_ILN_4319 GBV_ILN_4700 AR 42 2010 6 25 11 1667-1674 |
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10.1007/s11661-010-0543-5 doi (DE-627)OLC2054038113 (DE-He213)s11661-010-0543-5-p DE-627 ger DE-627 rakwb eng 670 530 VZ 19,1 ssgn Eswara Moorthy, Santhana K. verfasserin aut Kinetic Analyses of the Growth and Dissolution Phenomena of Primary Si and α-Al in Partially Molten Al-Si (-Cu-Mg) Alloy Particles Using In Situ Transmission Electron Microscopy 2010 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © The Minerals, Metals & Materials Society and ASM International 2010 Abstract The growth and dissolution behavior of primary Si and α-Al in partially molten hypereutectic Al-Si–based alloy particles was investigated using in situ TEM to reveal the dynamic and instantaneous processes occurring during these phenomena. Direct evidence for the preferential growth of Si {113} facets compared with {111} facets resulting in prominent {111} facets bounding the Si crystals was obtained. The nucleation of primary Si was found to occur heterogeneously on the encapsulating alumina shell, whereas the α-Al phase nucleated homogeneously from the liquid Al-Si phase. The morphology of primary Si during growth was found to be highly faceted during growth but smoothly curved during dissolution, revealing fundamental mechanistic differences during these processes. We provide a ledge-based interpretation to explain the difference in growth and dissolution behavior. The α-Al phase displayed smoothly curved growth and dissolution morphologies, which are characteristic of an isotropic interfacial energy and a continuous growth mechanism. Dissolution Behavior Alloy Particle Oxide Shell Growth Twin Equilibrium Volume Fraction Howe, James M. aut Enthalten in Metallurgical and materials transactions / A Springer US, 1994 42(2010), 6 vom: 25. Nov., Seite 1667-1674 (DE-627)171342011 (DE-600)1179415-X (DE-576)038876930 1073-5623 nnns volume:42 year:2010 number:6 day:25 month:11 pages:1667-1674 https://doi.org/10.1007/s11661-010-0543-5 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY GBV_ILN_20 GBV_ILN_23 GBV_ILN_30 GBV_ILN_70 GBV_ILN_2006 GBV_ILN_2027 GBV_ILN_4116 GBV_ILN_4313 GBV_ILN_4319 GBV_ILN_4700 AR 42 2010 6 25 11 1667-1674 |
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10.1007/s11661-010-0543-5 doi (DE-627)OLC2054038113 (DE-He213)s11661-010-0543-5-p DE-627 ger DE-627 rakwb eng 670 530 VZ 19,1 ssgn Eswara Moorthy, Santhana K. verfasserin aut Kinetic Analyses of the Growth and Dissolution Phenomena of Primary Si and α-Al in Partially Molten Al-Si (-Cu-Mg) Alloy Particles Using In Situ Transmission Electron Microscopy 2010 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © The Minerals, Metals & Materials Society and ASM International 2010 Abstract The growth and dissolution behavior of primary Si and α-Al in partially molten hypereutectic Al-Si–based alloy particles was investigated using in situ TEM to reveal the dynamic and instantaneous processes occurring during these phenomena. Direct evidence for the preferential growth of Si {113} facets compared with {111} facets resulting in prominent {111} facets bounding the Si crystals was obtained. The nucleation of primary Si was found to occur heterogeneously on the encapsulating alumina shell, whereas the α-Al phase nucleated homogeneously from the liquid Al-Si phase. The morphology of primary Si during growth was found to be highly faceted during growth but smoothly curved during dissolution, revealing fundamental mechanistic differences during these processes. We provide a ledge-based interpretation to explain the difference in growth and dissolution behavior. The α-Al phase displayed smoothly curved growth and dissolution morphologies, which are characteristic of an isotropic interfacial energy and a continuous growth mechanism. Dissolution Behavior Alloy Particle Oxide Shell Growth Twin Equilibrium Volume Fraction Howe, James M. aut Enthalten in Metallurgical and materials transactions / A Springer US, 1994 42(2010), 6 vom: 25. Nov., Seite 1667-1674 (DE-627)171342011 (DE-600)1179415-X (DE-576)038876930 1073-5623 nnns volume:42 year:2010 number:6 day:25 month:11 pages:1667-1674 https://doi.org/10.1007/s11661-010-0543-5 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY GBV_ILN_20 GBV_ILN_23 GBV_ILN_30 GBV_ILN_70 GBV_ILN_2006 GBV_ILN_2027 GBV_ILN_4116 GBV_ILN_4313 GBV_ILN_4319 GBV_ILN_4700 AR 42 2010 6 25 11 1667-1674 |
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10.1007/s11661-010-0543-5 doi (DE-627)OLC2054038113 (DE-He213)s11661-010-0543-5-p DE-627 ger DE-627 rakwb eng 670 530 VZ 19,1 ssgn Eswara Moorthy, Santhana K. verfasserin aut Kinetic Analyses of the Growth and Dissolution Phenomena of Primary Si and α-Al in Partially Molten Al-Si (-Cu-Mg) Alloy Particles Using In Situ Transmission Electron Microscopy 2010 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © The Minerals, Metals & Materials Society and ASM International 2010 Abstract The growth and dissolution behavior of primary Si and α-Al in partially molten hypereutectic Al-Si–based alloy particles was investigated using in situ TEM to reveal the dynamic and instantaneous processes occurring during these phenomena. Direct evidence for the preferential growth of Si {113} facets compared with {111} facets resulting in prominent {111} facets bounding the Si crystals was obtained. The nucleation of primary Si was found to occur heterogeneously on the encapsulating alumina shell, whereas the α-Al phase nucleated homogeneously from the liquid Al-Si phase. The morphology of primary Si during growth was found to be highly faceted during growth but smoothly curved during dissolution, revealing fundamental mechanistic differences during these processes. We provide a ledge-based interpretation to explain the difference in growth and dissolution behavior. The α-Al phase displayed smoothly curved growth and dissolution morphologies, which are characteristic of an isotropic interfacial energy and a continuous growth mechanism. Dissolution Behavior Alloy Particle Oxide Shell Growth Twin Equilibrium Volume Fraction Howe, James M. aut Enthalten in Metallurgical and materials transactions / A Springer US, 1994 42(2010), 6 vom: 25. Nov., Seite 1667-1674 (DE-627)171342011 (DE-600)1179415-X (DE-576)038876930 1073-5623 nnns volume:42 year:2010 number:6 day:25 month:11 pages:1667-1674 https://doi.org/10.1007/s11661-010-0543-5 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY GBV_ILN_20 GBV_ILN_23 GBV_ILN_30 GBV_ILN_70 GBV_ILN_2006 GBV_ILN_2027 GBV_ILN_4116 GBV_ILN_4313 GBV_ILN_4319 GBV_ILN_4700 AR 42 2010 6 25 11 1667-1674 |
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10.1007/s11661-010-0543-5 doi (DE-627)OLC2054038113 (DE-He213)s11661-010-0543-5-p DE-627 ger DE-627 rakwb eng 670 530 VZ 19,1 ssgn Eswara Moorthy, Santhana K. verfasserin aut Kinetic Analyses of the Growth and Dissolution Phenomena of Primary Si and α-Al in Partially Molten Al-Si (-Cu-Mg) Alloy Particles Using In Situ Transmission Electron Microscopy 2010 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © The Minerals, Metals & Materials Society and ASM International 2010 Abstract The growth and dissolution behavior of primary Si and α-Al in partially molten hypereutectic Al-Si–based alloy particles was investigated using in situ TEM to reveal the dynamic and instantaneous processes occurring during these phenomena. Direct evidence for the preferential growth of Si {113} facets compared with {111} facets resulting in prominent {111} facets bounding the Si crystals was obtained. The nucleation of primary Si was found to occur heterogeneously on the encapsulating alumina shell, whereas the α-Al phase nucleated homogeneously from the liquid Al-Si phase. The morphology of primary Si during growth was found to be highly faceted during growth but smoothly curved during dissolution, revealing fundamental mechanistic differences during these processes. We provide a ledge-based interpretation to explain the difference in growth and dissolution behavior. The α-Al phase displayed smoothly curved growth and dissolution morphologies, which are characteristic of an isotropic interfacial energy and a continuous growth mechanism. Dissolution Behavior Alloy Particle Oxide Shell Growth Twin Equilibrium Volume Fraction Howe, James M. aut Enthalten in Metallurgical and materials transactions / A Springer US, 1994 42(2010), 6 vom: 25. Nov., Seite 1667-1674 (DE-627)171342011 (DE-600)1179415-X (DE-576)038876930 1073-5623 nnns volume:42 year:2010 number:6 day:25 month:11 pages:1667-1674 https://doi.org/10.1007/s11661-010-0543-5 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY GBV_ILN_20 GBV_ILN_23 GBV_ILN_30 GBV_ILN_70 GBV_ILN_2006 GBV_ILN_2027 GBV_ILN_4116 GBV_ILN_4313 GBV_ILN_4319 GBV_ILN_4700 AR 42 2010 6 25 11 1667-1674 |
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Kinetic Analyses of the Growth and Dissolution Phenomena of Primary Si and α-Al in Partially Molten Al-Si (-Cu-Mg) Alloy Particles Using In Situ Transmission Electron Microscopy |
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Kinetic Analyses of the Growth and Dissolution Phenomena of Primary Si and α-Al in Partially Molten Al-Si (-Cu-Mg) Alloy Particles Using In Situ Transmission Electron Microscopy |
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Eswara Moorthy, Santhana K. |
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Metallurgical and materials transactions / A |
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670 530 |
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kinetic analyses of the growth and dissolution phenomena of primary si and α-al in partially molten al-si (-cu-mg) alloy particles using in situ transmission electron microscopy |
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Kinetic Analyses of the Growth and Dissolution Phenomena of Primary Si and α-Al in Partially Molten Al-Si (-Cu-Mg) Alloy Particles Using In Situ Transmission Electron Microscopy |
| abstract |
Abstract The growth and dissolution behavior of primary Si and α-Al in partially molten hypereutectic Al-Si–based alloy particles was investigated using in situ TEM to reveal the dynamic and instantaneous processes occurring during these phenomena. Direct evidence for the preferential growth of Si {113} facets compared with {111} facets resulting in prominent {111} facets bounding the Si crystals was obtained. The nucleation of primary Si was found to occur heterogeneously on the encapsulating alumina shell, whereas the α-Al phase nucleated homogeneously from the liquid Al-Si phase. The morphology of primary Si during growth was found to be highly faceted during growth but smoothly curved during dissolution, revealing fundamental mechanistic differences during these processes. We provide a ledge-based interpretation to explain the difference in growth and dissolution behavior. The α-Al phase displayed smoothly curved growth and dissolution morphologies, which are characteristic of an isotropic interfacial energy and a continuous growth mechanism. © The Minerals, Metals & Materials Society and ASM International 2010 |
| abstractGer |
Abstract The growth and dissolution behavior of primary Si and α-Al in partially molten hypereutectic Al-Si–based alloy particles was investigated using in situ TEM to reveal the dynamic and instantaneous processes occurring during these phenomena. Direct evidence for the preferential growth of Si {113} facets compared with {111} facets resulting in prominent {111} facets bounding the Si crystals was obtained. The nucleation of primary Si was found to occur heterogeneously on the encapsulating alumina shell, whereas the α-Al phase nucleated homogeneously from the liquid Al-Si phase. The morphology of primary Si during growth was found to be highly faceted during growth but smoothly curved during dissolution, revealing fundamental mechanistic differences during these processes. We provide a ledge-based interpretation to explain the difference in growth and dissolution behavior. The α-Al phase displayed smoothly curved growth and dissolution morphologies, which are characteristic of an isotropic interfacial energy and a continuous growth mechanism. © The Minerals, Metals & Materials Society and ASM International 2010 |
| abstract_unstemmed |
Abstract The growth and dissolution behavior of primary Si and α-Al in partially molten hypereutectic Al-Si–based alloy particles was investigated using in situ TEM to reveal the dynamic and instantaneous processes occurring during these phenomena. Direct evidence for the preferential growth of Si {113} facets compared with {111} facets resulting in prominent {111} facets bounding the Si crystals was obtained. The nucleation of primary Si was found to occur heterogeneously on the encapsulating alumina shell, whereas the α-Al phase nucleated homogeneously from the liquid Al-Si phase. The morphology of primary Si during growth was found to be highly faceted during growth but smoothly curved during dissolution, revealing fundamental mechanistic differences during these processes. We provide a ledge-based interpretation to explain the difference in growth and dissolution behavior. The α-Al phase displayed smoothly curved growth and dissolution morphologies, which are characteristic of an isotropic interfacial energy and a continuous growth mechanism. © The Minerals, Metals & Materials Society and ASM International 2010 |
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| title_short |
Kinetic Analyses of the Growth and Dissolution Phenomena of Primary Si and α-Al in Partially Molten Al-Si (-Cu-Mg) Alloy Particles Using In Situ Transmission Electron Microscopy |
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