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ZIRCONIA

PROPERTY ZIRCONIA
COMPOSITION UNIT MgO Partially Stabilized TTZ Y2O3 Partially Stabilized TZP Y2O3 Fully Stabilized ZDY
DENSITY g/cc (#/cu.in.) 570 (0.21) 6.02 (0.22) 5.60 (0.20)
FLEXURAL MPa      (psi x 103) 620 (90)
900 (130)
207 (30)
WATER ABSORPTON %
0
0
0
STIFFNESS/WEIGHT GPa/g/cc
35
33
32
COMPRESSIVE STRENGTH MPa (kpsi) 1750 (254)
-
-
COLOR - IVORY
IVORV
IVORY
HARDNESS GPa (kg/mm2) 11.8 (1200)
12.7 (1300)
-
THERMAL CONTDUCT cal/cm2 cm/sec/c¡
0.06
0.06
0.06
FRACTURE TOUGHNESS MPa¥m1/2 x107)
11
13
3
MAX WK TEMP ¡C
500
2400
2400
COEFFICENT OF THERMAL EXPANSION 10-6/¡C
10.1
10.3
10.5
THERMAL SHOCK RESISTANCE ¡C
350
350
150
THERMAL CONDUCTIVITY W/m ¡K
2.2
2.2
2.2
  -
0.0035
0.0019
0.0008
  -
0.021
0.011
0.05

 

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