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Effect of AlF3 Content on Microstructure and Properties of Mullite/Al2O3 Composite Ceramics
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| Zeitschriftentitel: | Materials Science Forum |
|---|---|
| Personen und Körperschaften: | , , , |
| In: | Materials Science Forum, 922, 2018, S. 62-67 |
| Format: | E-Article |
| Sprache: | Unbestimmt |
| veröffentlicht: |
Trans Tech Publications, Ltd.
|
| Schlagwörter: |
| author_facet |
Sang, Ke Zheng Wang, Fan Zeng, De Jun Li, Hong Wei Sang, Ke Zheng Wang, Fan Zeng, De Jun Li, Hong Wei |
|---|---|
| author |
Sang, Ke Zheng Wang, Fan Zeng, De Jun Li, Hong Wei |
| spellingShingle |
Sang, Ke Zheng Wang, Fan Zeng, De Jun Li, Hong Wei Materials Science Forum Effect of AlF3 Content on Microstructure and Properties of Mullite/Al2O3 Composite Ceramics Mechanical Engineering Mechanics of Materials Condensed Matter Physics General Materials Science |
| author_sort |
sang, ke zheng |
| spelling |
Sang, Ke Zheng Wang, Fan Zeng, De Jun Li, Hong Wei 1662-9752 Trans Tech Publications, Ltd. Mechanical Engineering Mechanics of Materials Condensed Matter Physics General Materials Science http://dx.doi.org/10.4028/www.scientific.net/msf.922.62 <jats:p>To reinforce the mullite/Al<jats:sub>2</jats:sub>O<jats:sub>3</jats:sub> composite ceramics through formation of mullite whiskers, the composite ceramics were prepared by pressureless sintering using different AlF<jats:sub>3 </jats:sub>content. The microstructure, porosity, fracture toughness and thermal shock resistance of the composite ceramics were investigated. The results show that the addition of AlF<jats:sub>3 </jats:sub>can promote the mullite whisker formations, and the whiskers with the size of 3～10μm in diameter and a length-diameter ratio of 10～15 are obtained by sintering at 1600°C with the AlF<jats:sub>3 </jats:sub>content of 5wt%. Fracture toughness and thermal shock resistance of the composite ceramics are improved by the formation of mullite whisker. The fracture toughness of 4.79MPa•m<jats:sup>1/2</jats:sup> can be obtained, and the 95.18% flexural strength remained after thermal shock.</jats:p> Effect of AlF<sub>3</sub> Content on Microstructure and Properties of Mullite/Al<sub>2</sub>O<sub>3</sub> Composite Ceramics Materials Science Forum |
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Trans Tech Publications, Ltd., 2018 |
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| title |
Effect of AlF3 Content on Microstructure and Properties of Mullite/Al2O3 Composite Ceramics |
| title_unstemmed |
Effect of AlF3 Content on Microstructure and Properties of Mullite/Al2O3 Composite Ceramics |
| title_full |
Effect of AlF3 Content on Microstructure and Properties of Mullite/Al2O3 Composite Ceramics |
| title_fullStr |
Effect of AlF3 Content on Microstructure and Properties of Mullite/Al2O3 Composite Ceramics |
| title_full_unstemmed |
Effect of AlF3 Content on Microstructure and Properties of Mullite/Al2O3 Composite Ceramics |
| title_short |
Effect of AlF3 Content on Microstructure and Properties of Mullite/Al2O3 Composite Ceramics |
| title_sort |
effect of alf<sub>3</sub> content on microstructure and properties of mullite/al<sub>2</sub>o<sub>3</sub> composite ceramics |
| topic |
Mechanical Engineering Mechanics of Materials Condensed Matter Physics General Materials Science |
| url |
http://dx.doi.org/10.4028/www.scientific.net/msf.922.62 |
| publishDate |
2018 |
| physical |
62-67 |
| description |
<jats:p>To reinforce the mullite/Al<jats:sub>2</jats:sub>O<jats:sub>3</jats:sub> composite ceramics through formation of mullite whiskers, the composite ceramics were prepared by pressureless sintering using different AlF<jats:sub>3 </jats:sub>content. The microstructure, porosity, fracture toughness and thermal shock resistance of the composite ceramics were investigated. The results show that the addition of AlF<jats:sub>3 </jats:sub>can promote the mullite whisker formations, and the whiskers with the size of 3～10μm in diameter and a length-diameter ratio of 10～15 are obtained by sintering at 1600°C with the AlF<jats:sub>3 </jats:sub>content of 5wt%. Fracture toughness and thermal shock resistance of the composite ceramics are improved by the formation of mullite whisker. The fracture toughness of 4.79MPa•m<jats:sup>1/2</jats:sup> can be obtained, and the 95.18% flexural strength remained after thermal shock.</jats:p> |
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| author | Sang, Ke Zheng, Wang, Fan, Zeng, De Jun, Li, Hong Wei |
| author_facet | Sang, Ke Zheng, Wang, Fan, Zeng, De Jun, Li, Hong Wei, Sang, Ke Zheng, Wang, Fan, Zeng, De Jun, Li, Hong Wei |
| author_sort | sang, ke zheng |
| container_start_page | 62 |
| container_title | Materials Science Forum |
| container_volume | 922 |
| description | <jats:p>To reinforce the mullite/Al<jats:sub>2</jats:sub>O<jats:sub>3</jats:sub> composite ceramics through formation of mullite whiskers, the composite ceramics were prepared by pressureless sintering using different AlF<jats:sub>3 </jats:sub>content. The microstructure, porosity, fracture toughness and thermal shock resistance of the composite ceramics were investigated. The results show that the addition of AlF<jats:sub>3 </jats:sub>can promote the mullite whisker formations, and the whiskers with the size of 3～10μm in diameter and a length-diameter ratio of 10～15 are obtained by sintering at 1600°C with the AlF<jats:sub>3 </jats:sub>content of 5wt%. Fracture toughness and thermal shock resistance of the composite ceramics are improved by the formation of mullite whisker. The fracture toughness of 4.79MPa•m<jats:sup>1/2</jats:sup> can be obtained, and the 95.18% flexural strength remained after thermal shock.</jats:p> |
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| imprint_str_mv | Trans Tech Publications, Ltd., 2018 |
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| physical | 62-67 |
| publishDate | 2018 |
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| publisher | Trans Tech Publications, Ltd. |
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| series | Materials Science Forum |
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| spelling | Sang, Ke Zheng Wang, Fan Zeng, De Jun Li, Hong Wei 1662-9752 Trans Tech Publications, Ltd. Mechanical Engineering Mechanics of Materials Condensed Matter Physics General Materials Science http://dx.doi.org/10.4028/www.scientific.net/msf.922.62 <jats:p>To reinforce the mullite/Al<jats:sub>2</jats:sub>O<jats:sub>3</jats:sub> composite ceramics through formation of mullite whiskers, the composite ceramics were prepared by pressureless sintering using different AlF<jats:sub>3 </jats:sub>content. The microstructure, porosity, fracture toughness and thermal shock resistance of the composite ceramics were investigated. The results show that the addition of AlF<jats:sub>3 </jats:sub>can promote the mullite whisker formations, and the whiskers with the size of 3～10μm in diameter and a length-diameter ratio of 10～15 are obtained by sintering at 1600°C with the AlF<jats:sub>3 </jats:sub>content of 5wt%. Fracture toughness and thermal shock resistance of the composite ceramics are improved by the formation of mullite whisker. The fracture toughness of 4.79MPa•m<jats:sup>1/2</jats:sup> can be obtained, and the 95.18% flexural strength remained after thermal shock.</jats:p> Effect of AlF<sub>3</sub> Content on Microstructure and Properties of Mullite/Al<sub>2</sub>O<sub>3</sub> Composite Ceramics Materials Science Forum |
| spellingShingle | Sang, Ke Zheng, Wang, Fan, Zeng, De Jun, Li, Hong Wei, Materials Science Forum, Effect of AlF3 Content on Microstructure and Properties of Mullite/Al2O3 Composite Ceramics, Mechanical Engineering, Mechanics of Materials, Condensed Matter Physics, General Materials Science |
| title | Effect of AlF3 Content on Microstructure and Properties of Mullite/Al2O3 Composite Ceramics |
| title_full | Effect of AlF3 Content on Microstructure and Properties of Mullite/Al2O3 Composite Ceramics |
| title_fullStr | Effect of AlF3 Content on Microstructure and Properties of Mullite/Al2O3 Composite Ceramics |
| title_full_unstemmed | Effect of AlF3 Content on Microstructure and Properties of Mullite/Al2O3 Composite Ceramics |
| title_short | Effect of AlF3 Content on Microstructure and Properties of Mullite/Al2O3 Composite Ceramics |
| title_sort | effect of alf<sub>3</sub> content on microstructure and properties of mullite/al<sub>2</sub>o<sub>3</sub> composite ceramics |
| title_unstemmed | Effect of AlF3 Content on Microstructure and Properties of Mullite/Al2O3 Composite Ceramics |
| topic | Mechanical Engineering, Mechanics of Materials, Condensed Matter Physics, General Materials Science |
| url | http://dx.doi.org/10.4028/www.scientific.net/msf.922.62 |