| |
Zirconia Grinding Media
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Speciality
1. Pindling abrasive wear(ppm), preventing material from being
polluted.
2. Suitable for high viscosity, wet grinding and dispersion
circumstances
3. High grinding efficiency
4. Long-time working life, lower running cost.
Field of application
1. High strength and toughness product: magnetic
material, piezoelectric ceramics, dielectric ceramics
|
2. Depollution: medicine industry, food industry, cosmetic industry
3. Abrasion and corrosion resistant product: coatings, textile industry,
color industry, printing and dyeing industry|
4. Ceramics: electronic ceramics, refractory ceramics, structural
ceramics
Specification:
ball-type:φ0.1-0.4,φ0.4-0.6,φ0.6-0.8,φ0.8-1,φ1,φ2, φ3,φ4,φ5,φ7,φ10,φ12,φ15,φ20,φ55mm
cylinder-type:3×3,5×5,7×7,10×10,12×12mm
| 性能 |
Items |
单位 |
参数 |
| 成分 |
composition |
wt% |
94.8%ZrO25.2%Y2O3 |
| 填充密度 |
Packed Density |
kg/L |
3.5(Φ7mm) |
| 密度 |
Specltic Density |
g/cm3 |
≥6.02 |
| 硬度(HV) |
Hardness(HV) |
GPa |
>11 |
| 弹性模量 |
Elastic Modulls |
GPa |
200 |
| 导热系数 |
Thermal Conductivity |
W/m.k |
3 |
| 压碎强度 |
Crushing Load |
KN |
≥20(Φ7mm) |
| 断裂韧性 |
Fracture Toughness |
MPam1/2 |
9 |
| 晶粒大小 |
Grain size |
μm |
≤0.5 |
| 热膨胀系数 |
Thermal expansion
Codfficient(20-400。c) |
10x10-6/10c
(20 to 400) |
9.6 |
| |
Form Tolerances and Surface Roughness of Balls |
| 等级成分 |
球直径变动量vdws |
球行误差(△sph) |
表面粗糙度(Ra) |
| 不超过μm |
| G3 |
0.08 |
0.08 |
0.012 |
| 5 |
0.13 |
0.13 |
0.02 |
| 10 |
0.25 |
0.25 |
0.025 |
| 16 |
0.4 |
0.4 |
0.032 |
| 20 |
0.5 |
0.5 |
0.04 |
| 28 |
0.7 |
0.7 |
0.05 |
| 40 |
1 |
1 |
0.08 |
| 60 |
1.5 |
1.5 |
0.10 |
| 200 |
5 |
5 |
0.2 |
|
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