abstract |
It is an object of the present invention to provide a new method for producing aluminum titanate-based ceramics having a low coefficient of thermal expansion. The present invention is a method for producing aluminum titanate-based ceramics for firing a raw material mixture containing a titanium source powder, an aluminum source powder and a silicon source powder, wherein the cumulative percentage 50% equivalent particle size (D50) based on the volume of the silicon source powder It is a method characterized by being 5 micrometers or less. The present invention also includes a method in which the raw material mixture further contains a magnesium source powder. |