High Quality Al2O3-ZrO2-C Slide Gate Properties Adding Si-Fe Sintered by both Nitrogen and Carbon Monoxide Atmosphere

Lei Liu; Yong Li; Ya Wei Zhai; Wen Dong Xue; Jun Hong Chen

doi:10.4028/www.scientific.net/AMR.194-196.1542

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 194-196High Quality Al2O3-ZrO2-C Slide Gate Properties...

High Quality Al₂O₃-ZrO₂-C Slide Gate Properties Adding Si-Fe Sintered by both Nitrogen and Carbon Monoxide Atmosphere

Abstract:

The Si-Fe (≤0.043 mm) fine powder was added to the Al₂O₃-ZrO₂-C slide gate, and the influences of adding different Si-Fe contents (2wt%, 4wt%, 6wt%, 8wt%) are studied. Two different firing ways of nitridation and carbonazation atmosphere were used. The experimental results indicated that the addition of Si-Fe improve the physical and chemical properties of the slide gate, the performance is the best when the addition of Si-Fe is 6wt% and the properties of slide gate sintering in N₂-flowing atmosphere is better than that in CO-flowing atmosphere. Si-Fe will react with nitrogen and generate Si₃N₄ in the N₂-flowing atmosphere, while it will react with C or CO to produce SiC in CO atmosphere.

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Periodical:

Advanced Materials Research (Volumes 194-196)

Pages:

1542-1546

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.194-196.1542

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Online since:

February 2011

Authors:

Lei Liu, Yong Li, Ya Wei Zhai, Wen Dong Xue, Jun Hong Chen

Keywords:

Si₃N₄, Al₂O₃-ZrO₂-C Slide Gate, Carbon, Nitrogen, Si-Fe, Silicon Carbide (SiC)

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References

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