Effect of Post-Sintering Microwave Treatments on the Mechanical Performance of Silicon Nitride

Autor: M. K. Ferber, M. G. Jenkins, T. N. Tiegs
Rok vydání: 2008
Předmět:
Zdroj: Proceedings of the 15th Annual Conference on Composites and Advanced Ceramic Materials: Ceramic Engineering and Science Proceedings
DOI: 10.1002/9780470313848.ch28
Popis: Post sintering heat treatments were used to vary the microstructural characteristics in two types of hot-pressed silicon nitride. Particular emphasis was placed upon comparing changes in grain size; degree of crystallization of the intergranular phases; and chemistry of the intergranular phases resulting from conventional and microwave annealing. The effect of these post-sintering treatments upon the mechanical performance was evaluated by measuring the creep deflection in flexure as a function of time and applied stress at 1260 and 1370{degree}C in air. 16 refs., 8 figs., 2 tabs.
Databáze: OpenAIRE