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/cm2/ 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
  • 1 psi (lb/in2) = 6,894.8 Pa (N/m2)

 

  • 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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