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Optimization of non‐aqueous tape casting of high solid loading slurry for aluminum nitride ceramic substrates
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| Zeitschriftentitel: | International Journal of Applied Ceramic Technology |
|---|---|
| Personen und Körperschaften: | , , , , , , |
| In: | International Journal of Applied Ceramic Technology, 17, 2020, 1, S. 285-295 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
Wiley
|
| Schlagwörter: |
| author_facet |
Ding, Maomao Shi, Ying Xie, Jianjun Zhou, Ding Wang, Yu Lei, Fang Zhang, Lei Ding, Maomao Shi, Ying Xie, Jianjun Zhou, Ding Wang, Yu Lei, Fang Zhang, Lei |
|---|---|
| author |
Ding, Maomao Shi, Ying Xie, Jianjun Zhou, Ding Wang, Yu Lei, Fang Zhang, Lei |
| spellingShingle |
Ding, Maomao Shi, Ying Xie, Jianjun Zhou, Ding Wang, Yu Lei, Fang Zhang, Lei International Journal of Applied Ceramic Technology Optimization of non‐aqueous tape casting of high solid loading slurry for aluminum nitride ceramic substrates Materials Chemistry Marketing Condensed Matter Physics Ceramics and Composites |
| author_sort |
ding, maomao |
| spelling |
Ding, Maomao Shi, Ying Xie, Jianjun Zhou, Ding Wang, Yu Lei, Fang Zhang, Lei 1546-542X 1744-7402 Wiley Materials Chemistry Marketing Condensed Matter Physics Ceramics and Composites http://dx.doi.org/10.1111/ijac.13344 <jats:title>Abstract</jats:title><jats:p>Aluminum nitride (AlN) ceramic substrates have been fabricated using non‐aqueous tape casting and pressureless densification under flowing N<jats:sub>2</jats:sub> atmosphere. Considering the economic and environmental impact, a new strategy of solvent and dispersant system was adopted to prepare AlN slurries with high solid loading. According to the viscosity characteristics of AlN slurries, dispersant content was adjusted to be 0.5 wt% of AlN powder in order to optimize the rheological behavior of AlN slurries. The addition contents of binder and plasticizer were both optimized as 5 wt% of AlN powders by combining the viscosity of slurries and tensile strength of green tapes. Green AlN tapes were fabricated with an optimized tape casting process such as dry temperature. The exclusion process of organic additives was investigated by employing thermogravimetric analysis. Flat and dense AlN ceramic substrates with a relative bulk density over 99.75 % were achieved after being sintered under 1800°C for 6 hours, which had a maximum size of 110 × 110 mm. The thermal conductivity of the AlN substrate could reach 145 Wm<jats:sup>−1</jats:sup>K<jats:sup>−1</jats:sup>.</jats:p> Optimization of non‐aqueous tape casting of high solid loading slurry for aluminum nitride ceramic substrates International Journal of Applied Ceramic Technology |
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| title |
Optimization of non‐aqueous tape casting of high solid loading slurry for aluminum nitride ceramic substrates |
| title_unstemmed |
Optimization of non‐aqueous tape casting of high solid loading slurry for aluminum nitride ceramic substrates |
| title_full |
Optimization of non‐aqueous tape casting of high solid loading slurry for aluminum nitride ceramic substrates |
| title_fullStr |
Optimization of non‐aqueous tape casting of high solid loading slurry for aluminum nitride ceramic substrates |
| title_full_unstemmed |
Optimization of non‐aqueous tape casting of high solid loading slurry for aluminum nitride ceramic substrates |
| title_short |
Optimization of non‐aqueous tape casting of high solid loading slurry for aluminum nitride ceramic substrates |
| title_sort |
optimization of non‐aqueous tape casting of high solid loading slurry for aluminum nitride ceramic substrates |
| topic |
Materials Chemistry Marketing Condensed Matter Physics Ceramics and Composites |
| url |
http://dx.doi.org/10.1111/ijac.13344 |
| publishDate |
2020 |
| physical |
285-295 |
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<jats:title>Abstract</jats:title><jats:p>Aluminum nitride (AlN) ceramic substrates have been fabricated using non‐aqueous tape casting and pressureless densification under flowing N<jats:sub>2</jats:sub> atmosphere. Considering the economic and environmental impact, a new strategy of solvent and dispersant system was adopted to prepare AlN slurries with high solid loading. According to the viscosity characteristics of AlN slurries, dispersant content was adjusted to be 0.5 wt% of AlN powder in order to optimize the rheological behavior of AlN slurries. The addition contents of binder and plasticizer were both optimized as 5 wt% of AlN powders by combining the viscosity of slurries and tensile strength of green tapes. Green AlN tapes were fabricated with an optimized tape casting process such as dry temperature. The exclusion process of organic additives was investigated by employing thermogravimetric analysis. Flat and dense AlN ceramic substrates with a relative bulk density over 99.75 % were achieved after being sintered under 1800°C for 6 hours, which had a maximum size of 110 × 110 mm. The thermal conductivity of the AlN substrate could reach 145 Wm<jats:sup>−1</jats:sup>K<jats:sup>−1</jats:sup>.</jats:p> |
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| author | Ding, Maomao, Shi, Ying, Xie, Jianjun, Zhou, Ding, Wang, Yu, Lei, Fang, Zhang, Lei |
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| description | <jats:title>Abstract</jats:title><jats:p>Aluminum nitride (AlN) ceramic substrates have been fabricated using non‐aqueous tape casting and pressureless densification under flowing N<jats:sub>2</jats:sub> atmosphere. Considering the economic and environmental impact, a new strategy of solvent and dispersant system was adopted to prepare AlN slurries with high solid loading. According to the viscosity characteristics of AlN slurries, dispersant content was adjusted to be 0.5 wt% of AlN powder in order to optimize the rheological behavior of AlN slurries. The addition contents of binder and plasticizer were both optimized as 5 wt% of AlN powders by combining the viscosity of slurries and tensile strength of green tapes. Green AlN tapes were fabricated with an optimized tape casting process such as dry temperature. The exclusion process of organic additives was investigated by employing thermogravimetric analysis. Flat and dense AlN ceramic substrates with a relative bulk density over 99.75 % were achieved after being sintered under 1800°C for 6 hours, which had a maximum size of 110 × 110 mm. The thermal conductivity of the AlN substrate could reach 145 Wm<jats:sup>−1</jats:sup>K<jats:sup>−1</jats:sup>.</jats:p> |
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| spelling | Ding, Maomao Shi, Ying Xie, Jianjun Zhou, Ding Wang, Yu Lei, Fang Zhang, Lei 1546-542X 1744-7402 Wiley Materials Chemistry Marketing Condensed Matter Physics Ceramics and Composites http://dx.doi.org/10.1111/ijac.13344 <jats:title>Abstract</jats:title><jats:p>Aluminum nitride (AlN) ceramic substrates have been fabricated using non‐aqueous tape casting and pressureless densification under flowing N<jats:sub>2</jats:sub> atmosphere. Considering the economic and environmental impact, a new strategy of solvent and dispersant system was adopted to prepare AlN slurries with high solid loading. According to the viscosity characteristics of AlN slurries, dispersant content was adjusted to be 0.5 wt% of AlN powder in order to optimize the rheological behavior of AlN slurries. The addition contents of binder and plasticizer were both optimized as 5 wt% of AlN powders by combining the viscosity of slurries and tensile strength of green tapes. Green AlN tapes were fabricated with an optimized tape casting process such as dry temperature. The exclusion process of organic additives was investigated by employing thermogravimetric analysis. Flat and dense AlN ceramic substrates with a relative bulk density over 99.75 % were achieved after being sintered under 1800°C for 6 hours, which had a maximum size of 110 × 110 mm. The thermal conductivity of the AlN substrate could reach 145 Wm<jats:sup>−1</jats:sup>K<jats:sup>−1</jats:sup>.</jats:p> Optimization of non‐aqueous tape casting of high solid loading slurry for aluminum nitride ceramic substrates International Journal of Applied Ceramic Technology |
| spellingShingle | Ding, Maomao, Shi, Ying, Xie, Jianjun, Zhou, Ding, Wang, Yu, Lei, Fang, Zhang, Lei, International Journal of Applied Ceramic Technology, Optimization of non‐aqueous tape casting of high solid loading slurry for aluminum nitride ceramic substrates, Materials Chemistry, Marketing, Condensed Matter Physics, Ceramics and Composites |
| title | Optimization of non‐aqueous tape casting of high solid loading slurry for aluminum nitride ceramic substrates |
| title_full | Optimization of non‐aqueous tape casting of high solid loading slurry for aluminum nitride ceramic substrates |
| title_fullStr | Optimization of non‐aqueous tape casting of high solid loading slurry for aluminum nitride ceramic substrates |
| title_full_unstemmed | Optimization of non‐aqueous tape casting of high solid loading slurry for aluminum nitride ceramic substrates |
| title_short | Optimization of non‐aqueous tape casting of high solid loading slurry for aluminum nitride ceramic substrates |
| title_sort | optimization of non‐aqueous tape casting of high solid loading slurry for aluminum nitride ceramic substrates |
| title_unstemmed | Optimization of non‐aqueous tape casting of high solid loading slurry for aluminum nitride ceramic substrates |
| topic | Materials Chemistry, Marketing, Condensed Matter Physics, Ceramics and Composites |
| url | http://dx.doi.org/10.1111/ijac.13344 |