Abstract
A new sinter-canning method has been developed for the coating of silicon nitride parts prior to hot-isostatic pressing. This method is based on thick-film technology. Using sol-gel methods different shapes of silicon nitride have been coated with an alumina or zirconia gel. After drying and sintering a dense layer of the oxides are formed, suitable as a ceramic canning material. Following the HIP-process, dense silicon nitride is achieved with a surface layer containing the aluminium or zirconium ions in a crystalline phase. This method of sinter-canning prevents the formation of glassy phases and can be used for a variety of ceramics to be densified by hot-isostatic pressing.
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© 1992 Elsevier Science Publishers Ltd and MPA Stuttgart
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Wedemeyer, H., Ritzhaupt-Kleissl, HJ., Günther, E. (1992). Sinter-Canning for Hip-Processing of Silicon Nitride. In: Carlsson, R., Johansson, T., Kahlman, L. (eds) 4th International Symposium on Ceramic Materials and Components for Engines. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-2882-7_65
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DOI: https://doi.org/10.1007/978-94-011-2882-7_65
Publisher Name: Springer, Dordrecht
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