Introduction of Alumina Disc Ceramic Precision Grinding Disc
Alumina Ceramic Precision Grinding Discs Alumina ceramics is a high-performance ceramic material that is widely used in many industrial fields because of its high hardness, high wear resistance, high chemical stability and other characteristics.
Alumina Disc Ceramic Precision Grinding Disc
Specifications of Alumina Disc Ceramic Plate
|
Property |
Symbol/Unit |
Typical Value(s) |
|
Chemical Composition |
Al₂O₃ (%) |
90 – 99.9+ |
|
Density |
ρ (g/cm³) |
3.5 – 4.0 |
|
Hardness (Vickers) |
HV |
1200 – 2000 HV |
|
Compressive Strength |
σc (MPa) |
3000 – 4000 |
|
Flexural Strength |
σf (MPa) |
300 – 600 |
|
Fracture Toughness |
KIC (MPa·m^½) |
3 – 5 |
|
Young’s Modulus |
E (GPa) |
350 – 400 |
|
Poisson’s Ratio |
ν |
0.20 – 0.25 |
|
Thermal Expansion Coefficient |
α (×10⁻⁶/K) |
7 – 8.5 |
|
Thermal Conductivity |
λ (W/m·K) |
25 – 35 |
|
Specific Heat Capacity |
c (J/kg·K) |
750 – 900 |
|
Electrical Resistivity |
ρ (Ω·cm) |
>10¹² |
|
Dielectric Constant |
εr (@1 MHz) |
9 – 10 |
|
Loss Tangent |
tan δ (@1 MHz) |
<0.0001 |
|
Operating Temperature |
T (°C) |
Up to 1700 |
Features of Alumina Disc Ceramic Precision Grinding Disc
1. High hardness and wear resistance: alumina ceramic has extremely high hardness, its hardness is only second to diamond. Alumina ceramic precision grinding disc has excellent wear resistance and can be in a high-speed, high-load working environment for a long time to maintain the surface flat; not easy to wear.
2. High precision and stability: alumina ceramic precision grinding discs are precision processed, and the surface flatness is extremely high to meet the needs of high-precision grinding. Alumina ceramics have good thermal stability and do not easy to produce deformation due to temperature changes and high visibility of the stability of the grinding process.
3. Good chemical stability: alumina ceramic is resistance to acid, alkali and other chemicals, not easy to be corrode, so in some special environments can also maintain good performance.
Advantages of Alumina Disc Ceramic Precision Grinding Disc
1. Improve production efficiency: Alumina ceramic precision grinding discs have excellent wear resistance and stability, which can reduce the replacement frequency in the grinding process and improve production efficiency.
2. Reduce production costs: the long service life of alumina ceramics can reduce the maintenance cost and replacement costs of enterprises, thus reducing production costs.
3. Improve product quality: the high precision and flatness of alumina ceramic precision grinding discs can make the surface quality and precision of the grinding products well-known and improve product quality.
4. Environmental protection and safety: alumina ceramic material is non-toxic and harmless and will not cause pollution to the environment.
Application of Alumina Disc Ceramic Precision Grinding Disc
1. Semiconductor industry: In the semiconductor manufacturing process, alumina ceramic precision grinding discs are widely used in silicon wafers, wafers and other materials, grinding and polishing in order to improve the visibility of its surface flatness and finish.
2. Optical industry: The high precision and flatness of alumina ceramic precision grinding discs make them ideal for grinding and polishing optical components, such as lenses, prisms, mirrors and so on.
3.Ceramic industry: Alumina ceramic precision grinding discs can also be used for grinding and polishing ceramic materials to improve the surface quality and precision of ceramic products.
Company Profile
Luoyang Tongrun Nano Technology Co. Ltd. (TRUNNANO) is a trusted global chemical material supplier & manufacturer with over 12-year-experience in providing super high-quality chemicals and nanomaterials, including boride powder, nitride powder, graphite powder, ceramic products, 3D printing powder, etc.
The company has a professional technical department and Quality Supervision Department, a well-equipped laboratory, and equipped with advanced testing equipment and after-sales customer service center.
If you are looking for high-quality Alumina Disc Ceramic Precision Grinding Disc, please feel free to contact us or click on the needed products to send an inquiry.
Payment Term
T/T, Western Union, Paypal, Credit Card etc.
Shipment Term
By air, by sea, by express, as customers request.
FAQs of Alumina Disc Ceramic Precision Grinding Disc
What are the main application areas of alumina ceramic discs?
Alumina ceramic discs are widely used in electronic component encapsulation, mechanical seals, medical device components, precision instrument support structures, and other fields due to their high hardness, wear resistance, and chemical stability. They are also commonly used where high precision and flatness are required.
What is the temperature resistance of alumina ceramic discs?
Alumina ceramic discs have excellent thermal stability and are able to withstand extremely high temperatures, often keeping their physical and chemical properties unchanged in environments above 1600°C. This makes them ideal for use as high-temperature components. This makes them ideal for use as support or isolation components in high temperature environments.
Are alumina ceramic discs prone to breakage?
Although alumina ceramic discs are very hard and wear-resistant, they are also brittle materials and can break when subjected to severe impact or improper handling. Therefore, care should be taken during installation and use, and the manufacturer's guidelines should be followed to avoid damage.
Can alumina ceramic discs be custom machined?
Yes, many suppliers offer services to customize alumina ceramic discs to meet customer needs, including different sizes, shapes, tolerance requirements, and surface finishes. Customized services can meet the stringent requirements for product characteristics for specific applications.
How do I properly care for my alumina ceramic discs?
To extend service life and ensure optimal performance, the surface of ceramic discs should be cleaned regularly to remove dirt or residues that may affect their function; cleaners containing abrasive or caustic ingredients should be avoided; and proper protection should be taken against impacts or drops during handling and storage.
