The sintering of the Low Temperature Co-fired Ceramics from alumoborosilcate silicates glass- and Al2O3 powders of similar small particle size was studied by dilometry, heating microscopy and, microstructure analysis, glass-and effective viscosity measurements. The streric effect of Al3O3 inclusions was studied using a "non-reactive" model composite. With increasing Al3O3 volume fraction (formula), sintering decelerates and its final stage shifts to a higher temperature. The attainable shrinkage is reduced as Al2O3 particle clusters bearing residual pores become more frequent.
Origin
Federal Institute For Materials Research And Testing, Berlin, Germany
Journal Title
Advanced Materials Research Vols (2008) 375-380
Sector
Glass Ceramics
Class
GC 710