Low-microcracked, porous ceramic honeycombs and methods of manufacturing same

摘要

Substantially non-microcracked, porous, cordierite ceramic honeycomb bodies are provided. Although exhibiting moderately high thermal expansion (CTE) between 7x10^-7 to 16x10^-7/° C. (25-800° C.), the honeycomb bodies exhibit relatively high thermal shock parameter (TSP), such as TSR>=525° C. by virtue of a high MOR/E ratio, and/or low E_ratio=E_RT/E_{1000° C.} and well interconnected porosity, as witnessed by a relatively high pore connectivity factor (PCF). A method of manufacturing the honeycomb ceramic structure is also provided.