Name: Aluminum Composite ball ZTA Zirconium
Category: Aluminum Composite zirconium ball
Technology: Sintering
Size :0.2-20mm
Density: In accordance with the content of zirconium to determine
Accumulation of proportion: In accordance with the zirconium content, the more the more serious
Hardness: 800HV1
Strength, and aluminum zirconium as the perfect combination of grain, excellent wear resistance, especially for use in coatings, inks, agricultural chemical, mineral pigment grinding and dispersion. Applicable to the majority of sanding machine.
Features :
Zirconia Toughened Alumina (ZTA) is a set mill referred super wear-resistant zirconium oxide, high toughness, high-density and high hardness alumina, corrosion resistance and other characteristics of the new products as a whole. Modest price of the product, the right density, excellent wear resistance.
The application of occasions :
Non-metallic mineral, paint, ink, paper, coatings, electronic materials, magnetic materials, dyes, food, medicine, etc.
Specifications
Spherical: φ0.2-15MM.
Physical parameters
|
|
Items
|
Unit
|
Index
|
|
|
Compsision
|
wt%
|
20～80% ZrO2
80～20% A2O3
|
|
|
Packed Density
|
Kg/L
|
2.6～3.3(Φ7mm)
|
|
|
Specific Density
|
g/cm3
|
4.1～5.5
|
|
|
Moh's
|
|
8.0~8.5
|
|
|
Elastic modulus
|
GPa
|
200
|
|
|
Thermal Conductivity
|
W/m.K
|
3
|
|
|
Crushing Load
|
KN
|
≥8 (Φ7mm)
|
|
|
Fracture Toughness
|
MPam1-2
|
6.7
|
|
|
Grain size
|
µm
|
≤0.8
|
|
|
Thermal expansion
Coeffcient(20-400 )°C)
|
10x10 -6 / °C(20-400)
|
7.0
|
