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Medical Ceramic Micro-components
ultra-precision, oxide ceramic micro-parts used in medical treatment and orthodontics
• Excellent corrosion resistance
• Low thermal expansion rate, higher temperature resistance than metal/plastic
• Super hardness and fracture toughness of ceramic materials
• bio-compatibility
• Excellent corrosion resistance
• Low thermal expansion rate, higher temperature resistance than metal/plastic
• Super hardness and fracture toughness of ceramic materials
• bio-compatibility
|
characteristic |
unit |
Alumina Ceramics |
Zirconia Ceramics |
|||
|
99.7%Aluminum oxide |
99%Aluminum oxide |
96%Aluminum oxide |
white zirconia ZrO2-3Y |
black zirconia ZrO2-3Y |
||
|
density |
g/cm3 |
≧3.92 |
≧3.88 |
≧3.65 |
≧6.0 |
≧6.0 |
|
color |
/ |
ivory |
ivory |
White |
ivory |
black |
|
Bending strength |
MPa |
≧600 |
≧600 |
≧300 |
≧1000 |
≧800 |
|
Vickers hardness |
HV |
2000 |
1800 |
1400 |
1200 |
1200 |
|
Elastic Modulus |
GPa |
200 |
200 |
200 |
/ |
/ |
|
Thermal Conductivity |
W/m.k |
30 |
30 |
18 |
/ |
/ |
|
|
|
|
|
|
|
|
|
characteristic |
unit |
Zirconia Toughened Alumina Ceramics |
|
|||
|
10% Zirconia Toughened Alumina |
20% Zirconia Toughened Alumina |
Zirconia Toughened Ruby |
40% Zirconia Toughened Alumina |
|
||
|
density |
g/cm3 |
≧4.0 |
≧4.25 |
≧4.25 |
≧4.8 |
|
|
color |
|
White |
White |
pink |
White |
|
|
Bending strength |
MPa |
≧700 |
≧800 |
≧800 |
≧800 |
|
|
Vickers hardness |
HV |
2000 |
1800 |
1800 |
1500 |
|
|
Elastic Modulus |
GPa |
/ |
/ |
/ |
/ |
|
|
Thermal Conductivity |
W/m.k |
/ |
/ |
/ |
/ |
|
