Effect of TiN on the corrosion behavior of Y-(α + β)-sialon/TiN materials in hot hydrochloric acidic solutions

Effect of TiN on the corrosion behavior of Y-(α + β)-sialon/TiN materials in hot hydrochloric acidic solutions

The corrosion behavior of Y-(α + β)-sialon/TiN materials in hot hydrochloric acidic solutions (80°C) was studied. The effect of TiN on the corrosion behavior of Y-(α + β)-sialon/TiN materials was investigated. The results revealed that the introduction of TiN accelerate the corrosion. With the incre...

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Veröffentlicht in:Ceramics international 2005, Vol.31 (2), p.277-280
Hauptverfasser: Li, Wenkui, Zhang, Baolin, Zhuang, Hanrui, Li, Wenlan
Format: Artikel
Sprache:eng
Schlagworte:
Applied sciences
B. Grain boundaries
Building materials. Ceramics. Glasses
C. Corrosion
Ceramic industries
Cermets, ceramic and refractory composites
Chemical industry and chemicals
Corrosion
Corrosion mechanisms
Cross-disciplinary physics: materials science
rheology
Exact sciences and technology
Materials science
Metals. Metallurgy
Miscellaneous
Other materials
Physics
Specific materials
Technical ceramics
Y-(α + β)-sialon/TiN
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Zusammenfassung:The corrosion behavior of Y-(α + β)-sialon/TiN materials in hot hydrochloric acidic solutions (80°C) was studied. The effect of TiN on the corrosion behavior of Y-(α + β)-sialon/TiN materials was investigated. The results revealed that the introduction of TiN accelerate the corrosion. With the increasing of TiN content, the α-sialon content on the final composition decreased and more yttrium remains on the grain boundary phase. Therefore, the corrosion was severed due to the formation of soluble YCl 3.
ISSN:0272-8842
1873-3956
DOI:10.1016/j.ceramint.2004.05.015