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Black Zirconia Ceramic
Famous as "ceramic steel", this material boasts outstanding comprehensive mechanical performance. It features high flexural strength above 1000 MPa, excellent fracture toughness and high Vickers hardness, effectively resisting crack expansion and surface scratching. It possesses superior wear resistance far better than alumina ceramics, alongside stable chemical inertness against most acids, alkalis and corrosive atmospheres. With low thermal conductivity and a thermal expansion coefficient close to stainless steel, it ensures reliable dimensional stability under alternating temperature conditions.
Customizable surface resistivity is one of its distinctive strengths. Formulas can be adjusted to achieve insulating or anti-static properties to satisfy diverse industry demands. Its matte black surface offers low light reflectivity, making it ideal for optical assemblies requiring glare suppression. Supported by precision CNC grinding and polishing, we achieve tight dimensional tolerances and ultra-smooth surface finish for complex geometries including rods, shafts, sleeves, plates and customized structural parts.
Material Data Sheet
|
ITEM |
UNIT |
ZIRCONIA | YSZ95 |
|
Main Content |
- |
ZrO2>94.5% |
|
Color |
- |
Black, Blue, White |
|
Density |
g/cm3 |
6.00 |
|
Vickers Hardness |
Gpa |
12 |
|
Flexural Strength |
Mpa |
800 |
|
Compressive Strength |
Mpa |
2,500 |
|
Electrical Resistivity |
Ω·cm |
>1010 |
|
Dielectric Strength |
KV/mm |
9 |
|
Dielectric Constant |
1 MHz |
28 |
|
Thermal Conductivity |
W/m.K |
2.2 |
|
Max. Working Temperature |
℃ |
600 |
|
Resistance to Thermal Shock |
△T(℃) |
260 |
|
Thermal Expansion Coefficient (25 - 1,000 ℃) |
10-6/K |
11 - 13 |
∆ The above data is offered for reference and comparison only, exact data will vary depending on manufacturing method and part configuration.
Black zirconia ceramic serves wide-ranging high-end sectors: semiconductor and optoelectronic equipment, precision automation fixtures, medical instruments, new energy equipment and high-performance wear-resistant components. It is a premium alternative to conventional ceramics and metal alloys for scenarios demanding mechanical durability, corrosion resistance, visual uniformity and precise dimensional control. We provide full customization from raw material formulation to finished machining to match your unique operating requirements.
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