Ceramic Materials Properties

Physical properties of ceramics

Properties of some common ceramics:

MaterialSpecific GravityCoefficient of Linear Expansion
(106 ppm/oC)
Maximum Safe Operating Temperature
(oC)
Thermal Conductivity
(10-3 cal/(cm sec oC)
Tensile Strength
(psi)
Compressive Strength
(psi)
Flexural Strength
(psi)
Modulus of Elasticity
(106 psi)
Porcelain 2.2 - 2.4 5.0 - 6.5 400 4 - 5 1500 - 2500 25000 - 50000 3500 - 6000 7 - 10
Alumina Porcelain 3.1 - 3.9 5.5 - 8.1 1350 - 1500 7 - 50 8000 - 30000 8000 - 25000 20000 - 45000 15 - 52
High-Voltage Porcelain 2.3 - 25.5 5.0 - 6.8 1000 2 - 5 3000 - 8000 25000 - 50000 9000 - 15000 7 - 14
Zirconia Porcelain 3.5 - 3.8 3.5 - 5.5 1000 - 1200 10 - 15 10000 - 15000 80000 - 150000 20000 - 35000 20 - 30
Lithia Porcelain 2.3 - 4 1 1000     60000 8000  
Cordierite Refractory 1.6 - 2.1 2.5 - 3.0 1250 3 - 4 1000 - 3500 20000 - 45000 1500 - 7000 2 - 5
Alumina Silicate Refractory 2.2 - 2.4 5.0 - 7.0 1300 - 1700 4 - 5 700 - 3000 13000 - 60000 1500 - 6000 2 - 5
Magnesium Silicate 2.3 - 2.8 11.5 1200 3 - 5 2500 20000 - 30000 7000 - 9000 4 - 5
Steatite 2.5 - 2.7 8.6 - 10.5 1000 - 1100 5 - 6 8000 - 10000 65000 - 130000 16000 - 24000 13 - 15
Forsterite 2.7 - 2.9 11 1000 - 1100 5 - 10 8000 - 10000 60000 - 100000 18000 - 20000 13 - 15
Titania/Titanate Ceramics 3.5 - 5.5 7 - 10   8 - 10 4000 - 10000 40000 - 120000 10000 - 22000 0.3 - 0.5

 

  • Porcelain is a ceramic material made by heating selected and refined materials often including clay in the form of kaolinite to high temperatures.
  • Cordierite is a crystalline magnesium aluminosilicate
  • Steatite, also known as soapstone or soaprock, is a metamorphic rock, a talc-schist. It is largely composed of the mineral talc and is rich in magnesium.
  • Forsterite (Mg2SiO4) is the magnesium rich end-member of the olivine solid-solution series.

Related Topics

  • Material Properties - Material properties for gases, fluids and solids - densities, specific heats, viscosities and more

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