Body Thermal Expansion Property

Materials in this class are added to bodies to reduce their thermal expansion by simply diluting a high expansion matrix by introducing particles having low expansion. It is thus implied that these materials are added as grog and are not fired high enough to change their mineralogy and therefore thermal expansion properties.

Mechanisms

Materials	Alkatrol
Materials	Pyrotrol 2253
Materials	Pyrotrol 3503
Materials	Pyrotrol
Materials	Mullite
Materials	Kyanite
Materials	Talc
Materials	Pyrophyllite
Materials	Calcined Alumina
Materials	Zircon
Materials	Calcined Kaolin
Materials	Andalusite

Links

Glossary	Co-efficient of Thermal Expansion The co-efficient of thermal expansion of ceramic bodies and glazes determines how well they fit each other and their ability to survive sudden heating and cooling without cracking.

By Tony Hansen
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