Aluminum titanate composition being stable at high temperature
First Claim
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1. An aluminum titanate composition having a low coefficient of thermal expansion (20°
- to 1000°
C.) and which is stable at high temperatures and essentially unaffected by reducing atmospheres at high temperatures which consists essentially of 1.5 to 10 wt. % of SnO2, 2-13 wt. % of SiO2 and aluminum titanate.
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Abstract
Aluminum titanate composition being stable at high temperature comprises 1.5 to 20 wt. % of Sn component as SnO2 and/or 0.5 to 10 wt. % of rare earth element component as rare earth oxide.
37 Citations
6 Claims
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1. An aluminum titanate composition having a low coefficient of thermal expansion (20°
- to 1000°
C.) and which is stable at high temperatures and essentially unaffected by reducing atmospheres at high temperatures which consists essentially of 1.5 to 10 wt. % of SnO2, 2-13 wt. % of SiO2 and aluminum titanate. - View Dependent Claims (2, 3)
- to 1000°
-
4. An aluminum titanate composition having a low coefficient of thermal expansion (20°
- to 1000°
C.) and which is stable at high temperatures and essentially unaffected by reducing atmospheres at high temperatures which consists essentially of 0.5 to 10 wt. % of a rare earth metal oxide, 2 to 13 wt. % of SiO2 and aluminum titanate. - View Dependent Claims (5, 6)
- to 1000°
Specification