Mechanical/Physical Properties of

CRYSTALOY CERAMIC COMPOSITES

  Crystaloy 2311EDX* Crystaloy 2301
Composition Al2O3+TiC + SICw Al2O3 + SICw
Density 3.90 g/cc 3.70 g/cc
Porosity Less than 0.5% Less than 0.6%
Modulus of Rupture
4 pt. bend
100,000 PSI - 690 Mpa 90,000 PSI - 620 Mpa
Elastic Modulus 59 (106) PSI 406 GPA 57 (106) PSI 393 GPA
Fracture Toughness 9.6 MPa 1/2 7.0-8.0 MPa 1/2
Hardness 94-95 HRA (2400 Hv) 95 HRA (2400Hv)
Thermal Expansion
RT-1000 C
7.0 (10-6) / C 7.0 (10-6)/ C
Thermal Conductivity    
400 63 W/mK 35 W/mK
1400 25 W/mK --------------
Electrical Resistivity 9.0 (10-3) Ohm-cm 106/108 Ohm-cm
Sonic Velocity 10.8 (105) cm/sec 11.0 (106) cm/sec

  Conversion Tables 

*Manufactured in the U.S. Patent #5,177,037.

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