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1986•Journal of the American Ceramic SocietyRequires access

Development of Aluminum Titanate‐Mullite Composite Having High Thermal Shock Resistance

Hiroyuki Morishima, Zenji Kato, Keizo Uematsu, Katsukazu Saito, Toyohiko Yano, Noboru Ootsuka

Open publisher page 35 citations

Abstract

Thermomechanical properties of aluminum titanate‐mullite composites were studied for a wide composition range to develop material having high thermal shock resistance. The thermal shock resistance tended to increase with increasing aluminum titanate content. Composite having 82 vol% aluminum titanate can withstand water quench from above 1200°C and has a room‐temperature strength of 60 MPa. Composite with less aluminum titanate has lower thermal shock resistance but has higher strength. The relation between thermal shock resistance and strength, Young's modulus, and thermal expansion coefficient is discussed.

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What this paper is about

Thermomechanical properties of aluminum titanate‐mullite composites were studied for a wide composition range to develop material having high thermal shock resistance. The thermal shock resistance tended to increase with increasing aluminum titanate content. Composite having 82 vol% aluminum titanate can withstand water quench from above 1200°C and has a room‐temperature strength of 60 MPa. Composite with less aluminum titanate has lower thermal shock resistance but has higher strength. The relation between thermal shock resistance and strength, Young's modulus, and thermal expansion coefficient is discussed.

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Available abstract

Thermomechanical properties of aluminum titanate‐mullite composites were studied for a wide composition range to develop material having high thermal shock resistance. The thermal shock resistance tended to increase with increasing aluminum titanate content. Composite having 82 vol% aluminum titanate can withstand water quench from above 1200°C and has a room‐temperature strength of 60 MPa. Composite with less aluminum titanate has lower thermal shock resistance but has higher strength. The relation between thermal shock resistance and strength, Young's modulus, and thermal expansion coefficient is discussed.

Key concepts: Mullite, Thermal shock, Materials science, Titanate, Composite material, Thermal expansion, Aluminium, Composite number

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