Journal of Inorganic Materials ›› 2017, Vol. 32 ›› Issue (7): 731-738.DOI: 10.15541/jim20160550
• Orginal Article • Previous Articles Next Articles
XIE Yu-Zhou1, PENG Chao-Qun1, WANG Xiao-Feng1, WANG Ri-Chu1, LUO Feng2
Received:
2016-10-08
Revised:
2016-12-23
Published:
2017-07-20
Online:
2017-06-23
About author:
XIE Yu-Zhou. E-mail: 447109919@qq.com
Supported by:
CLC Number:
XIE Yu-Zhou, PENG Chao-Qun, WANG Xiao-Feng, WANG Ri-Chu, LUO Feng. Porous Alumina Ceramic Prepared by HEMA-TBA Gelcasting System[J]. Journal of Inorganic Materials, 2017, 32(7): 731-738.
Name | Abbreviation | Purity | Manufacture |
---|---|---|---|
Tert-butanol | TBA | AR | Shanghai Chemical Reagent Co. |
2-hydroxyethyl methacrylate | HEMA | AR | Shanghai Chemical Reagent Co. |
Methylene-bis-acrylamide | MBAM | AR | Shanghai Chemical Reagent Co. |
Benzoyl peroxide | BPO | AR | Shanghai Chemical Reagent Co. |
N, N-dimethylaniline | DMA | AR | Shanghai Chemical Reagent Co. |
Citric acid | C6H6O7 | AR | Shanghai Chemical Reagent Co. |
Acetic acid | C2H4O2 | AR | Shanghai Chemical Reagent Co. |
Alumina | α-Al2O3 | 99.8% | Henan Jiyuan Brother Material Co. |
Table 1 Manufacture and purity of the raw materials
Name | Abbreviation | Purity | Manufacture |
---|---|---|---|
Tert-butanol | TBA | AR | Shanghai Chemical Reagent Co. |
2-hydroxyethyl methacrylate | HEMA | AR | Shanghai Chemical Reagent Co. |
Methylene-bis-acrylamide | MBAM | AR | Shanghai Chemical Reagent Co. |
Benzoyl peroxide | BPO | AR | Shanghai Chemical Reagent Co. |
N, N-dimethylaniline | DMA | AR | Shanghai Chemical Reagent Co. |
Citric acid | C6H6O7 | AR | Shanghai Chemical Reagent Co. |
Acetic acid | C2H4O2 | AR | Shanghai Chemical Reagent Co. |
Alumina | α-Al2O3 | 99.8% | Henan Jiyuan Brother Material Co. |
Solid loading | Shrinkage |
---|---|
5% | 9.2%-10.1% |
10% | 5.1%-6.3% |
15% | 0.9%-1.2% |
20% | 0.8%-1.0% |
Table 2 Shrinkage in green body with different solid loadings after drying
Solid loading | Shrinkage |
---|---|
5% | 9.2%-10.1% |
10% | 5.1%-6.3% |
15% | 0.9%-1.2% |
20% | 0.8%-1.0% |
Monomer amount | Flexural strength/MPa |
---|---|
15% | 3.2±0.2 |
25% | 6.1±0.2 |
35% | 4.2±0.2 |
Table 3 Flexural strength of green body after drying with different monomer amounts
Monomer amount | Flexural strength/MPa |
---|---|
15% | 3.2±0.2 |
25% | 6.1±0.2 |
35% | 4.2±0.2 |
Solid loading | Porosity | Flexural strength/MPa |
---|---|---|
5% | 61-65% | 5.7±0.2 |
10% | 55-58% | 8.3±0.2 |
15% | 47-49% | 27.6±1.5 |
20% | 43-46% | 48.5±2.1 |
Table 4 Porosity and flexural strength of porous alumina ceramic with different solid loadings sintered at 1500℃
Solid loading | Porosity | Flexural strength/MPa |
---|---|---|
5% | 61-65% | 5.7±0.2 |
10% | 55-58% | 8.3±0.2 |
15% | 47-49% | 27.6±1.5 |
20% | 43-46% | 48.5±2.1 |
Sintering temperature/℃ | Porosity | Flexural strength/MPa |
---|---|---|
1400 | 49%-50% | 23.7±1.3 |
1500 | 43%-46% | 48.5±2.1 |
1600 | 40%-42% | 91.2±4.5 |
Table 5 Porosity and flexural strength of porous alumina ceramic sintered at different temperatures
Sintering temperature/℃ | Porosity | Flexural strength/MPa |
---|---|---|
1400 | 49%-50% | 23.7±1.3 |
1500 | 43%-46% | 48.5±2.1 |
1600 | 40%-42% | 91.2±4.5 |
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