Xiamen Unipretec Ceramic Technology Co., Ltd.

China Manufacturer with main products: Alumina Ceramic, Zirconia Ceramic, Silicon Nitride, Boron Nitride, Ceramic Grinding Media, Ceramic Cutting Blade, Ceramic Dosing Pump,...

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Zirconia Ceramic Rods

FOB Price: 1.00 - 2.00 USD/Piece
Supply Ability: 10,000 Piece/Pieces per Month
Shipping: 30 days, Xiamen Port
Payment Terms: L/C, T/T, Western Union
In Stock
Export Markets: North America, South America, Eastern Europe, Southeast Asia, Mid East, Eastern Asia, Western Europe
Place of Origin: Fujian in China
Packaging Details: wooden case

Quick Details

  • Brand Name: UNIPRETEC
  • Model Number: N/A
  • density: 6.05 g/cm3
  • color: white
  • water absorption: 0%
  • compressive strength: 2500 Mpa
  • flexural strength: 900 Mpa
  • thermal conductivity: 2.2 W/m.K

Specifications

'Zirconia – Ceramic steel'. The title of the first scientific paper to highlight the possibilities offered by the " transformation toughening" mechanism which occurs in certain zirconia ceramics. Since the publication of this seminal work in 1975, considerable research, development, and marketing effort has been expended on this single material which offers the traditional ceramic benefits of hardness, wear resistance, and corrosion resistance, without the characteristic ceramic property of absolute brittleness.

Mechanical and Physical Properties

The fundamental properties of Technox? zirconia ceramic which are of interest to the engineer or designer are:

- High strength
- High fracture toughness
- High hardness
- Wear resistance
- Good frictional behaviour
- Non-magnetic
- Electrical insulation
- Low thermal conductivity
- Corrosion resistance in acids and alkalis
- Modulus of elasticity similar to steel
- Coefficient of thermal expansion similar to iron



Key Features of Some Advanced Technical Ceramics

Characteristics Unit 95 Al2O3 99 Al2O3  ZrO2 SSiC SiSiC B4C HPS3N4
Color white ivory white black black black dark gray
Density g/cm3 3.65 3.88 6.05 3.12 3.06 2.51  3.25
Young's Modulus Gpa 280 350 205 400 320 420 310
Vickers Hardness Gpa 14 20 12 25 22 36 22
Flexural Strength Mpa 280 300 900 400 300 370 850
Compressive Strength Mpa 1700 2000 2500 2200 2000 2900 2800
Thermal Conductivity W/(m?K) 25 30 2.2 100 130 35-40 27
Thermal shock resistance ΔT(C°) 220 180-200 400 350 220 130 450-650
Max. Working Temperature 1500 1700 850 1500 1300 1500 1200
Volume Resistivity ( 20  ) Ω?cm >10^15 >10^14 >10^12 >10^6 >10^6

_

>10^14



The usual nomenclature used to describe zirconia ceramic alloys is as detailed below

- TZP tetragonal zirconia polycrystals
- PSZ partially stabilised zirconia
- FSZ fully stabilised zirconia
- TTC transformation toughened ceramics
- ZTA zirconia toughened alumina
- TTZ transformation toughened zirconia

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