Preparation of Sphere-like α-$ Al_{2} %$ O_{3} $ from Commercial Al(OH)3 with a Mechanical Ball Milling Process
Abstract In comparison to the typically worm-like α-$ Al_{2} %$ O_{3} $ powders of 20–30 µm size from unmilled Al(OH)3 precursor fired at 1450°C, almost-spherical α-$ Al_{2} %$ O_{3} $ powders of ∼0.5 µm size were synthesized from 9 h-milled Al(OH)3 precursor with the same heat treatment. The effect...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Zhu, Lingling [verfasserIn] |
|---|
| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2016 |
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| Schlagwörter: |
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| Anmerkung: |
© Springer Fachmedien Wiesbaden 2016 |
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| Übergeordnetes Werk: |
Enthalten in: Interceram - Wiesbaden : Springer Fachmedien, 2005, 65(2016), 7 vom: Apr., Seite 60-64 |
|---|---|
| Übergeordnetes Werk: |
volume:65 ; year:2016 ; number:7 ; month:04 ; pages:60-64 |
| Links: |
|---|
| DOI / URN: |
10.1007/BF03401190 |
|---|
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SPR038551829 |
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| 520 | |a Abstract In comparison to the typically worm-like α-$ Al_{2} %$ O_{3} $ powders of 20–30 µm size from unmilled Al(OH)3 precursor fired at 1450°C, almost-spherical α-$ Al_{2} %$ O_{3} $ powders of ∼0.5 µm size were synthesized from 9 h-milled Al(OH)3 precursor with the same heat treatment. The effect of the commercial Al(OH)3 precursor milling treatment on phase transformation and morphology of α-$ Al_{2} %$ O_{3} $ was studied by XRD and SEM. It was found that the milling treatment of the commercial Al(OH)3 precursor not only led ho an accleration of α-transformation during calcination, but also changed the morphology and particle size distribution of the α-$ Al_{2} %$ O_{3} $ powders. As the Al(OH)3 precursors were broken into irregularly shaped pieces with a ≤1 µm size range by the milling treatment, the resulting sharp corners with high vapor pressure would alter the evaporation-condensation mechanism into one that is mainly based on diffusion in the α-$ Al_{2} %$ O_{3} $ calcination process and promotes the tendency to form spherical α-$ Al_{2} %$ O_{3} $ powders. | ||
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10.1007/BF03401190 doi (DE-627)SPR038551829 (SPR)BF03401190-e DE-627 ger DE-627 rakwb eng Zhu, Lingling verfasserin aut Preparation of Sphere-like α-$ Al_{2} %$ O_{3} $ from Commercial Al(OH)3 with a Mechanical Ball Milling Process 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer Fachmedien Wiesbaden 2016 Abstract In comparison to the typically worm-like α-$ Al_{2} %$ O_{3} $ powders of 20–30 µm size from unmilled Al(OH)3 precursor fired at 1450°C, almost-spherical α-$ Al_{2} %$ O_{3} $ powders of ∼0.5 µm size were synthesized from 9 h-milled Al(OH)3 precursor with the same heat treatment. The effect of the commercial Al(OH)3 precursor milling treatment on phase transformation and morphology of α-$ Al_{2} %$ O_{3} $ was studied by XRD and SEM. It was found that the milling treatment of the commercial Al(OH)3 precursor not only led ho an accleration of α-transformation during calcination, but also changed the morphology and particle size distribution of the α-$ Al_{2} %$ O_{3} $ powders. As the Al(OH)3 precursors were broken into irregularly shaped pieces with a ≤1 µm size range by the milling treatment, the resulting sharp corners with high vapor pressure would alter the evaporation-condensation mechanism into one that is mainly based on diffusion in the α-$ Al_{2} %$ O_{3} $ calcination process and promotes the tendency to form spherical α-$ Al_{2} %$ O_{3} $ powders. sphere-like alumina (dpeaa)DE-He213 precursor milling treatment (dpeaa)DE-He213 morphology modification (dpeaa)DE-He213 Zhou, Ying aut Li, Wei aut Sun, Chunhui aut Jun, Shangxue aut Ye, Guotian aut Enthalten in Interceram Wiesbaden : Springer Fachmedien, 2005 65(2016), 7 vom: Apr., Seite 60-64 (DE-627)515978728 (DE-600)2244619-9 2523-8957 nnns volume:65 year:2016 number:7 month:04 pages:60-64 https://dx.doi.org/10.1007/BF03401190 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_31 GBV_ILN_120 GBV_ILN_266 GBV_ILN_702 GBV_ILN_2190 GBV_ILN_2336 AR 65 2016 7 04 60-64 |
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10.1007/BF03401190 doi (DE-627)SPR038551829 (SPR)BF03401190-e DE-627 ger DE-627 rakwb eng Zhu, Lingling verfasserin aut Preparation of Sphere-like α-$ Al_{2} %$ O_{3} $ from Commercial Al(OH)3 with a Mechanical Ball Milling Process 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer Fachmedien Wiesbaden 2016 Abstract In comparison to the typically worm-like α-$ Al_{2} %$ O_{3} $ powders of 20–30 µm size from unmilled Al(OH)3 precursor fired at 1450°C, almost-spherical α-$ Al_{2} %$ O_{3} $ powders of ∼0.5 µm size were synthesized from 9 h-milled Al(OH)3 precursor with the same heat treatment. The effect of the commercial Al(OH)3 precursor milling treatment on phase transformation and morphology of α-$ Al_{2} %$ O_{3} $ was studied by XRD and SEM. It was found that the milling treatment of the commercial Al(OH)3 precursor not only led ho an accleration of α-transformation during calcination, but also changed the morphology and particle size distribution of the α-$ Al_{2} %$ O_{3} $ powders. As the Al(OH)3 precursors were broken into irregularly shaped pieces with a ≤1 µm size range by the milling treatment, the resulting sharp corners with high vapor pressure would alter the evaporation-condensation mechanism into one that is mainly based on diffusion in the α-$ Al_{2} %$ O_{3} $ calcination process and promotes the tendency to form spherical α-$ Al_{2} %$ O_{3} $ powders. sphere-like alumina (dpeaa)DE-He213 precursor milling treatment (dpeaa)DE-He213 morphology modification (dpeaa)DE-He213 Zhou, Ying aut Li, Wei aut Sun, Chunhui aut Jun, Shangxue aut Ye, Guotian aut Enthalten in Interceram Wiesbaden : Springer Fachmedien, 2005 65(2016), 7 vom: Apr., Seite 60-64 (DE-627)515978728 (DE-600)2244619-9 2523-8957 nnns volume:65 year:2016 number:7 month:04 pages:60-64 https://dx.doi.org/10.1007/BF03401190 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_31 GBV_ILN_120 GBV_ILN_266 GBV_ILN_702 GBV_ILN_2190 GBV_ILN_2336 AR 65 2016 7 04 60-64 |
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10.1007/BF03401190 doi (DE-627)SPR038551829 (SPR)BF03401190-e DE-627 ger DE-627 rakwb eng Zhu, Lingling verfasserin aut Preparation of Sphere-like α-$ Al_{2} %$ O_{3} $ from Commercial Al(OH)3 with a Mechanical Ball Milling Process 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer Fachmedien Wiesbaden 2016 Abstract In comparison to the typically worm-like α-$ Al_{2} %$ O_{3} $ powders of 20–30 µm size from unmilled Al(OH)3 precursor fired at 1450°C, almost-spherical α-$ Al_{2} %$ O_{3} $ powders of ∼0.5 µm size were synthesized from 9 h-milled Al(OH)3 precursor with the same heat treatment. The effect of the commercial Al(OH)3 precursor milling treatment on phase transformation and morphology of α-$ Al_{2} %$ O_{3} $ was studied by XRD and SEM. It was found that the milling treatment of the commercial Al(OH)3 precursor not only led ho an accleration of α-transformation during calcination, but also changed the morphology and particle size distribution of the α-$ Al_{2} %$ O_{3} $ powders. As the Al(OH)3 precursors were broken into irregularly shaped pieces with a ≤1 µm size range by the milling treatment, the resulting sharp corners with high vapor pressure would alter the evaporation-condensation mechanism into one that is mainly based on diffusion in the α-$ Al_{2} %$ O_{3} $ calcination process and promotes the tendency to form spherical α-$ Al_{2} %$ O_{3} $ powders. sphere-like alumina (dpeaa)DE-He213 precursor milling treatment (dpeaa)DE-He213 morphology modification (dpeaa)DE-He213 Zhou, Ying aut Li, Wei aut Sun, Chunhui aut Jun, Shangxue aut Ye, Guotian aut Enthalten in Interceram Wiesbaden : Springer Fachmedien, 2005 65(2016), 7 vom: Apr., Seite 60-64 (DE-627)515978728 (DE-600)2244619-9 2523-8957 nnns volume:65 year:2016 number:7 month:04 pages:60-64 https://dx.doi.org/10.1007/BF03401190 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_31 GBV_ILN_120 GBV_ILN_266 GBV_ILN_702 GBV_ILN_2190 GBV_ILN_2336 AR 65 2016 7 04 60-64 |
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10.1007/BF03401190 doi (DE-627)SPR038551829 (SPR)BF03401190-e DE-627 ger DE-627 rakwb eng Zhu, Lingling verfasserin aut Preparation of Sphere-like α-$ Al_{2} %$ O_{3} $ from Commercial Al(OH)3 with a Mechanical Ball Milling Process 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer Fachmedien Wiesbaden 2016 Abstract In comparison to the typically worm-like α-$ Al_{2} %$ O_{3} $ powders of 20–30 µm size from unmilled Al(OH)3 precursor fired at 1450°C, almost-spherical α-$ Al_{2} %$ O_{3} $ powders of ∼0.5 µm size were synthesized from 9 h-milled Al(OH)3 precursor with the same heat treatment. The effect of the commercial Al(OH)3 precursor milling treatment on phase transformation and morphology of α-$ Al_{2} %$ O_{3} $ was studied by XRD and SEM. It was found that the milling treatment of the commercial Al(OH)3 precursor not only led ho an accleration of α-transformation during calcination, but also changed the morphology and particle size distribution of the α-$ Al_{2} %$ O_{3} $ powders. As the Al(OH)3 precursors were broken into irregularly shaped pieces with a ≤1 µm size range by the milling treatment, the resulting sharp corners with high vapor pressure would alter the evaporation-condensation mechanism into one that is mainly based on diffusion in the α-$ Al_{2} %$ O_{3} $ calcination process and promotes the tendency to form spherical α-$ Al_{2} %$ O_{3} $ powders. sphere-like alumina (dpeaa)DE-He213 precursor milling treatment (dpeaa)DE-He213 morphology modification (dpeaa)DE-He213 Zhou, Ying aut Li, Wei aut Sun, Chunhui aut Jun, Shangxue aut Ye, Guotian aut Enthalten in Interceram Wiesbaden : Springer Fachmedien, 2005 65(2016), 7 vom: Apr., Seite 60-64 (DE-627)515978728 (DE-600)2244619-9 2523-8957 nnns volume:65 year:2016 number:7 month:04 pages:60-64 https://dx.doi.org/10.1007/BF03401190 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_31 GBV_ILN_120 GBV_ILN_266 GBV_ILN_702 GBV_ILN_2190 GBV_ILN_2336 AR 65 2016 7 04 60-64 |
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10.1007/BF03401190 doi (DE-627)SPR038551829 (SPR)BF03401190-e DE-627 ger DE-627 rakwb eng Zhu, Lingling verfasserin aut Preparation of Sphere-like α-$ Al_{2} %$ O_{3} $ from Commercial Al(OH)3 with a Mechanical Ball Milling Process 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer Fachmedien Wiesbaden 2016 Abstract In comparison to the typically worm-like α-$ Al_{2} %$ O_{3} $ powders of 20–30 µm size from unmilled Al(OH)3 precursor fired at 1450°C, almost-spherical α-$ Al_{2} %$ O_{3} $ powders of ∼0.5 µm size were synthesized from 9 h-milled Al(OH)3 precursor with the same heat treatment. The effect of the commercial Al(OH)3 precursor milling treatment on phase transformation and morphology of α-$ Al_{2} %$ O_{3} $ was studied by XRD and SEM. It was found that the milling treatment of the commercial Al(OH)3 precursor not only led ho an accleration of α-transformation during calcination, but also changed the morphology and particle size distribution of the α-$ Al_{2} %$ O_{3} $ powders. As the Al(OH)3 precursors were broken into irregularly shaped pieces with a ≤1 µm size range by the milling treatment, the resulting sharp corners with high vapor pressure would alter the evaporation-condensation mechanism into one that is mainly based on diffusion in the α-$ Al_{2} %$ O_{3} $ calcination process and promotes the tendency to form spherical α-$ Al_{2} %$ O_{3} $ powders. sphere-like alumina (dpeaa)DE-He213 precursor milling treatment (dpeaa)DE-He213 morphology modification (dpeaa)DE-He213 Zhou, Ying aut Li, Wei aut Sun, Chunhui aut Jun, Shangxue aut Ye, Guotian aut Enthalten in Interceram Wiesbaden : Springer Fachmedien, 2005 65(2016), 7 vom: Apr., Seite 60-64 (DE-627)515978728 (DE-600)2244619-9 2523-8957 nnns volume:65 year:2016 number:7 month:04 pages:60-64 https://dx.doi.org/10.1007/BF03401190 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_31 GBV_ILN_120 GBV_ILN_266 GBV_ILN_702 GBV_ILN_2190 GBV_ILN_2336 AR 65 2016 7 04 60-64 |
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Zhu, Lingling Zhou, Ying Li, Wei Sun, Chunhui Jun, Shangxue Ye, Guotian |
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65 |
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Elektronische Aufsätze |
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Zhu, Lingling |
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10.1007/BF03401190 |
| title_sort |
preparation of sphere-like α-$ al_{2} %$ o_{3} $ from commercial al(oh)3 with a mechanical ball milling process |
| title_auth |
Preparation of Sphere-like α-$ Al_{2} %$ O_{3} $ from Commercial Al(OH)3 with a Mechanical Ball Milling Process |
| abstract |
Abstract In comparison to the typically worm-like α-$ Al_{2} %$ O_{3} $ powders of 20–30 µm size from unmilled Al(OH)3 precursor fired at 1450°C, almost-spherical α-$ Al_{2} %$ O_{3} $ powders of ∼0.5 µm size were synthesized from 9 h-milled Al(OH)3 precursor with the same heat treatment. The effect of the commercial Al(OH)3 precursor milling treatment on phase transformation and morphology of α-$ Al_{2} %$ O_{3} $ was studied by XRD and SEM. It was found that the milling treatment of the commercial Al(OH)3 precursor not only led ho an accleration of α-transformation during calcination, but also changed the morphology and particle size distribution of the α-$ Al_{2} %$ O_{3} $ powders. As the Al(OH)3 precursors were broken into irregularly shaped pieces with a ≤1 µm size range by the milling treatment, the resulting sharp corners with high vapor pressure would alter the evaporation-condensation mechanism into one that is mainly based on diffusion in the α-$ Al_{2} %$ O_{3} $ calcination process and promotes the tendency to form spherical α-$ Al_{2} %$ O_{3} $ powders. © Springer Fachmedien Wiesbaden 2016 |
| abstractGer |
Abstract In comparison to the typically worm-like α-$ Al_{2} %$ O_{3} $ powders of 20–30 µm size from unmilled Al(OH)3 precursor fired at 1450°C, almost-spherical α-$ Al_{2} %$ O_{3} $ powders of ∼0.5 µm size were synthesized from 9 h-milled Al(OH)3 precursor with the same heat treatment. The effect of the commercial Al(OH)3 precursor milling treatment on phase transformation and morphology of α-$ Al_{2} %$ O_{3} $ was studied by XRD and SEM. It was found that the milling treatment of the commercial Al(OH)3 precursor not only led ho an accleration of α-transformation during calcination, but also changed the morphology and particle size distribution of the α-$ Al_{2} %$ O_{3} $ powders. As the Al(OH)3 precursors were broken into irregularly shaped pieces with a ≤1 µm size range by the milling treatment, the resulting sharp corners with high vapor pressure would alter the evaporation-condensation mechanism into one that is mainly based on diffusion in the α-$ Al_{2} %$ O_{3} $ calcination process and promotes the tendency to form spherical α-$ Al_{2} %$ O_{3} $ powders. © Springer Fachmedien Wiesbaden 2016 |
| abstract_unstemmed |
Abstract In comparison to the typically worm-like α-$ Al_{2} %$ O_{3} $ powders of 20–30 µm size from unmilled Al(OH)3 precursor fired at 1450°C, almost-spherical α-$ Al_{2} %$ O_{3} $ powders of ∼0.5 µm size were synthesized from 9 h-milled Al(OH)3 precursor with the same heat treatment. The effect of the commercial Al(OH)3 precursor milling treatment on phase transformation and morphology of α-$ Al_{2} %$ O_{3} $ was studied by XRD and SEM. It was found that the milling treatment of the commercial Al(OH)3 precursor not only led ho an accleration of α-transformation during calcination, but also changed the morphology and particle size distribution of the α-$ Al_{2} %$ O_{3} $ powders. As the Al(OH)3 precursors were broken into irregularly shaped pieces with a ≤1 µm size range by the milling treatment, the resulting sharp corners with high vapor pressure would alter the evaporation-condensation mechanism into one that is mainly based on diffusion in the α-$ Al_{2} %$ O_{3} $ calcination process and promotes the tendency to form spherical α-$ Al_{2} %$ O_{3} $ powders. © Springer Fachmedien Wiesbaden 2016 |
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| title_short |
Preparation of Sphere-like α-$ Al_{2} %$ O_{3} $ from Commercial Al(OH)3 with a Mechanical Ball Milling Process |
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