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Home/Compare/Ceramic/Hydroxyapatite (Ca10(PO4)6(OH)2) vs Mullite (3Al2O3-2SiO2)

Hydroxyapatite (Ca10(PO4)6(OH)2) vs Mullite (3Al2O3-2SiO2)

Property comparison of Hydroxyapatite (Ca10(PO4)6(OH)2) and Mullite (3Al2O3-2SiO2), both ceramic.

Ceramic6 compared properties
PropertyHydroxyapatite (Ca10(PO4)6(OH)2)Mullite (3Al2O3-2SiO2)Difference
Elastic modulus100,000 MPa151,000 MPa+51%
Poisson ratio0.270.25-7%
Density3,156 kg/m³2,800 kg/m³-11%
Thermal conductivity1.5 W/m·K6 W/m·K+300%
Specific heat700 J/kg·K780 J/kg·K+11%
Coefficient of thermal expansion0.000011 1/K0.000005 1/K-51%

Difference is Mullite (3Al2O3-2SiO2) relative to Hydroxyapatite (Ca10(PO4)6(OH)2). Values are taken from the representative row of each material; both materials may have multiple heat treatments or conditions on their individual pages.

Identification

Hydroxyapatite (Ca10(PO4)6(OH)2)
standard
sintered
Mullite (3Al2O3-2SiO2)
standard
ASTM

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