| Sintering Behaviour of Al2O3-SiC-C Ramming Mix |
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| 作者姓名： | WUXingrong CAOFeng |
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| 作者单位： | [1]UniversityofScienceandTechnology.Beijing,Beijing100083China [2]AnhuiUniversityofTechnology,Maanshan,Anhui243002,China |
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| 摘 要： | Silicon fines, boron acid solid powders and microfine SiO2 as sintering agents were incorporated into Al2O3-SiC-C ramming mix in order to investigated their effects on the microstructure , mechanical properties and sintering behavior of the ramming mix. Results show that all the three agents could improved both densification and mehanical properties markedly, compared to that of non-agent specimens and the effect of the composite of boron acid solid powders and microfine SiO2 is the best. The oxidation resistance increased with the addition of agents, which is supported by densification. Microstructures showed that agent powders could fill pores or produce liquid phases at high temperature, therefore, improve the sintering of the ramming mix.
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| 关 键 词： | Al2O3 SiC C 烧结物 耐火材料 氧化铝 稠化作用 抗氧化性 |
Sintering Behaviour of Al2O3-SiC-C Ramming Mix |
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| WUXingrong CAOFeng.Sintering Behaviour of Al2O3-SiC-C Ramming Mix[J].China’s Refractories,2004,13(2):33-36. |
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| Authors: | WU Xingrong CAO Feng University of Science and Technology Beijing Beijing China Anhui University of Technology Maanshan Anhui China |
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| Affiliation: | WU Xingrong 1,2,CAO Feng2 1 University of Science and Technology Beijing,Beijing 100083 China 2 Anhui University of Technology,Maanshan,Anhui 243002,China |
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| Abstract: | Silicon fines, boron acid solid powders and microfine SiO 2 as sintering agents were incorporated into Al 2O 3-SiC-C ramming mix in order to investigated their effects on the microstructure, mechanical properties and sintering behavior of the ramming mix. Results show that all the three agents could improved both densification and mehanical properties markedly, compared to that of non-agent specimens and the effect of the composite of boron acid solid powders and microfine SiO 2 is the best. The oxidation resistance increased with the addition of agents, which is supported by densification. Microstructures showed that agent powders could fill pores or produce liquid phases at high temperature, therefore, improve the sintering of the ramming mix. |
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| Keywords: | Alumina Silicon carbide Carbon ramming mix Sintering agent Densification Oxidation resistance |
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