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Color: | Black |
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Properties
|
Units
|
Test
|
Zirconias - ZrO2
|
|
Material Name
|
|
|
ZrO2
|
ZrO2Mg
|
Color
|
|
|
White
|
Yellow/White
|
Primary Material Content
|
|
|
95% ZrO2
|
96.5% ZrO2
|
Characteristics
|
|
|
High mechanical strength, good wear and heat resistance
|
High mechanical strength and toughness, good wear and corrosion resistance. Good thermal shock resistance
|
Applications
|
|
|
Wear and heat-resistant components
|
|
Bulk Density
|
g/cc
|
ASTM-C20
|
6.02
|
5.72
|
Water Absorption
|
%
|
ASTM-C373
|
0
|
0
|
Vickers Hardness (Load 500 g)
|
GPa
|
ASTM-C1327-03
|
13.0
|
12.0
|
Flexural Strength
|
MPa
|
ASTM-C1161-02c
|
1250
|
900
|
Compressive Strength
|
MPa
|
ASTM-C773
|
5690
|
1900
|
Young's Modulus of Elasticity
|
GPa
|
ASTM-C1198-01
|
210
|
200
|
Poisson's Ratio
|
-
|
ASTM-C1198-01
|
0.31
|
0.30
|
Fracture Toughness
|
MPa * m12
|
ASTM-C1421-01b (Kevron notched beam)
|
6 - 7
|
9 - 10
|
Coefficient of Linear Thermal Expansion, 40-400 ºC
|
x 10-6/ºC
|
ASTM-C372-94
|
10.0
|
9.0
|
Thermal Conductivity, 20ºC
|
W/(m • K)
|
ASTM-C408-88 |
3
|
3
|
Specific Heat
|
J/(Kg • K) x 103
|
ASTM-E1269
|
0.46 |
0.47 |
Thermal Shock Resistance
|
ºC
|
Note 1
|
-
|
350
|
Volume Resistivity, 20ºC
|
• cm
|
ASTM-D257-99
|
-
|
≥1011
|
Dielectric Strength
|
KV/mm
|
ASTM-D149-97
|
- |
- |
Dielectric Constant, 1 MHz
|
-
|
ASTM-D150-98 (1 MHz)
|
-
|
-
|
Loss Tangent
|
(x 10-4
|
ASTM-D150-98 (1 MHz)
|
- |
- |
Ni tric Acid 60% 90ºC
|
WT Loss (mg/cm2/day)
|
-
|
0.0
|
-
|
Sulphuric Acid 95%, 95ºC
|
WT Loss (mg/cm2/day)
|
-
|
<0.04
|
-
|
Caustic Soda 30%, 95ºC
|
Caustic Soda 30%, 95ºC
|
-
|
<0.08
|
-
|