Author:
Tiegs T. N.,Kiggans J. O.,Kimrey H. D.
Abstract
ABSTRACTMicrowave sintering of Si3N4—based materials showed improved densification as compared to samples heated conventionally under similar conditions. Accelerated nitridation of Si in the microwave furnace to produce Si3N4 was also observed. Dense Si3N4, annealed by microwave heating, exhibited enhanced grain growth; however preferential coupling of the microwave power to the grain—boundary phases in the present experiments resulted in their degradation.
Publisher
Springer Science and Business Media LLC
Reference9 articles.
1. Microwave Sintering of Al2O3 and Al2O3-SiC Whisker Composites
2. 9. Tiegs T. N. , Kimrey H. D. Jr. , and Kiggans J. O. Jr. , “Microwave Sintering of Silicon Nitride,” in Ceramic Technology for Advanced Heat Engines Project Semiannual Progress Report for October 1989 Through March 1990 (in press) 1990.
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