Product Description
In the realm of advanced materials, zirconia grinding spheres have emerged as a pivotal innovation, transforming processes from laboratory research to industrial mass production. These spheres, known for their exceptional durability and multifunctionality, are revolutionizing industries such as electronics, automotive, and energy storage. This article delves into the journey of zirconia grinding spheres, exploring their applications, technological advancements, and the groundbreaking mass-production techniques that are setting new benchmarks in material science.
Zirconia, a high-demand structural ceramic, boasts remarkable mechanical, thermal, and chemical properties, making it ideal for precision applications. The material's superior combination of physical attributes has catalyzed its use in diverse fields, including aerospace, precision machinery, electronics, and biomedicine. However, the high brittleness and low shear strength of zirconia ceramics have historically hindered their widespread industrial application.
The primary application of zirconia grinding spheres is in dispersing and powderizing materials and polishing surfaces. These spheres are integral to the production of multilayer ceramic capacitors (MLCCs) and electrode materials for lithium-ion batteries. As smartphones become more sophisticated and the demand for electric vehicles rises, the need for reliable and stable raw materials grows. Zirconia spheres play a critical role in meeting these demands, enhancing the reliability and supply stability of products.
Toray Industries, a leader in material science, has pioneered a groundbreaking mass-production technology for rare-earth-free zirconia balls. This innovation minimizes the degradation of crystal structures on zirconia ball surfaces, making them more durable than conventional counterparts. By reducing the sintering temperature to 1,300°C, compared to the regular 1,500°C.
The machining of zirconia ceramics has seen significant advancements, addressing challenges such as tool wear, machined surface quality, and cutting force. Traditional machining methods, including milling and grinding, have been complemented by non-traditional techniques like electrical discharge machining (EDM) and laser-assisted machining (LAM).
Laser-assisted grinding (LAG) has emerged as a promising method to enhance the machinability of zirconia ceramics. By preheating the material before cutting, the yield strength is reduced, transforming the machining mechanism from brittle to ductile. This process not only improves the removal rate but also avoids grinding cracks, resulting in damage-free surfaces.
| Diameter(mm) |
Each ball weight(g) |
100g balls qty(pcs) |
| 1 |
0.00314 |
31847 |
| 2 |
0.02512 |
3981 |
| 3 |
0.08478 |
1180 |
| 4 |
0.20096 |
498 |
| 5 |
0.3925 |
255 |
| 6 |
0.67824 |
147 |
| 7 |
1.07702 |
93 |
| 8 |
1.60768 |
62 |
| 10 |
3.14 |
32 |
| 12 |
5.42592 |
18 |
| 15 |
10.5975 |
9 |
| 20 |
25.12 |
4 |
●Chemical Composition:
|
Composition
|
ZrO2
|
Y2O3 + Others
|
|
Content %
|
94.6
|
5.4
|
●Physical Properties:
|
Specific Gravity
g/cm3
|
Bulk Density
kg/L
|
Hardness
Mohs
|
Hardness Hv
|
Fracture Toughness MPam1-2
|
Crushing Load
Kg.f (Φ0.3mm)
|
Grain size
um
|
Sphericity
(%)
|
|
≥6.03
|
≥ 3.76
|
9
|
≥1210
|
9
|
8.2
|
≤0.3
|
≥98
|
40times under microscope for 0.3mm YSZ ball
● Inner structure:
● Size distribution:
|
product name:
|
Yttria stabilized zirconia bead
|
size:
|
Φ0.3mm
|
|
100pcs test result by selected random(unit: mm)
|
|
0.28
|
0.29
|
0.3
|
0.31
|
0.32
|
|
0.28
|
0.29
|
0.3
|
0.31
|
0.32
|
|
0.28
|
0.29
|
0.3
|
0.31
|
0.32
|
|
0.28
|
0.29
|
0.3
|
0.31
|
0.32
|
|
0.29
|
0.29
|
0.31
|
0.31
|
0.32
|
|
0.29
|
0.3
|
0.31
|
0.31
|
0.32
|
|
0.29
|
0.3
|
0.31
|
0.31
|
0.32
|
|
0.29
|
0.3
|
0.31
|
0.31
|
0.33
|
|
0.29
|
0.3
|
0.31
|
0.31
|
0.33
|
|
0.29
|
0.3
|
0.31
|
0.31
|
0.33
|
|
0.29
|
0.3
|
0.31
|
0.32
|
0.33
|
|
0.29
|
0.3
|
0.31
|
0.32
|
0.33
|
|
0.29
|
0.3
|
0.31
|
0.32
|
0.33
|
|
0.29
|
0.3
|
0.31
|
0.32
|
0.33
|
|
0.29
|
0.3
|
0.31
|
0.32
|
0.33
|
|
0.29
|
0.3
|
0.31
|
0.32
|
0.33
|
|
0.29
|
0.3
|
0.31
|
0.32
|
0.34
|
|
0.29
|
0.3
|
0.31
|
0.32
|
0.34
|
|
0.29
|
0.3
|
0.3
|
0.3
|
0.36
|
|
0.29
|
0.3
|
0.3
|
0.3
|
0.3
|
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●Features:
It has high density and hardness, making it suitable for high-quality products, such as ceramic inking, automobile, paints and coating.
It is suitable for high-efficiency horizontal mills and basket mills.
Low contamination of the milling product.
It is suitable for industries requiring nano-sized particles.
●Pakage:
25KG/Plastic Drum, 800-1000KG/Pallet with shrink wrapped
●Storage:
The grinding media should be stored in a dry and clean place.
Factory equipment
Exhibition & Partner
Case
Ship to philipine
Ship to Germany
FAQ
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How do I store zirconia grinding beads?
-
What is the cost of zirconia grinding beads?
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Can zirconia beads cause contamination?
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What industries use zirconia grinding beads?
-
They are used in pharmaceuticals, paints, coatings, ceramics, electronics, and nanotechnology industries.
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