> Material
ZIRCONIA
PROPERTY
ZIRCONIA
COMPOSITION
UNIT
MgO Partially Stabilized TTZ
Y
2
O
3
Partially Stabilized TZP
Y
2
O
3
Fully Stabilized ZDY
DENSITY
g/cc (#/cu.in.)
570 (0.21)
6.02 (0.22)
5.60 (0.20)
FLEXURAL
MPa (psi x 10
3
)
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 x10
7
)
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
