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Alumina ceramic fixing plate ceramic custom processing flat fine grinding precision grooving

  • Very good electrical insulation.
  • Moderate to extremely high mechanical strength.
  • Very high compressive strength.
  • High hardness.
  • Moderate thermal conductivity.
  • High corrosion and wear resistance.
  • Good gliding properties.
  • Low density.
  • Operating temperature without mechanical load 1,000 to 1,700°C.
  • Bioinert and food compatible.
Availability:
Quantity:
  • 01053

  • HaoRui

  • custom01001

99 Alumina Ceramic Custom Finishing


Alumina Ceramic rods


Alumina Custom Ceramics Bar, also known as alumina ceramic rods or bars, are high-performance ceramic components made from a specialized type of ceramic material called alumina (Al2O3). They are highly sought after for their exceptional properties and wide range of applications in various industries.

Properties of Alumina Custom Ceramics Bar:

  1. High Strength and Hardness: Alumina ceramics exhibit remarkable strength and hardness, making them highly resistant to wear, abrasion, and mechanical stress. This property makes them ideal for applications where durability and longevity are critical.

  2. Excellent Thermal Conductivity: Alumina ceramics possess excellent thermal conductivity, enabling efficient heat transfer and dissipation. This property is particularly beneficial in applications involving high temperatures or thermal management.

  3. High Electrical Resistivity: Alumina ceramics have high electrical resistivity, making them suitable for electrical insulation purposes. They are commonly used in high-voltage applications and as substrates for electronic components.

  4. Corrosion Resistance: Alumina ceramics are highly resistant to corrosion, both from chemicals and moisture. This makes them suitable for use in harsh environments or in contact with corrosive substances.

  5. Biocompatibility: Alumina ceramics are biocompatible, meaning they are safe for use in medical and dental applications. They are often used in implants, surgical instruments, and dental prosthetics.



Properties of Alumina material (Al2O3)


Property
Item
95% Al2O3
99% Al2O3
99.8%Al2O3
Unit
Mechanical Characteristics
Color
White
light yellow
Ivory

Bulk Density
3.7
3.85
3.93
g/cm3
Water Absorption
0
0
0
%
Bending Strength
300
310
370
MPa
Compressive Trength
2,300
2,400
2500
MPa
Elastic Modulus
320
340
390
GPa
Fracture Toughness
3~4
3~4
4
MPa m1/2
Weber Coefficient
12
12
12
m
Vickers Hardness
1,400
1,600
1850
HV 0.5
Thermal Characterics
Coefficient of Line Thermal
Expansion
7~8
7~8
7~8
10-6 K-1
Thermal Conductivity
20
29
32
W/mK
Thermal Shock Resistance
(Put in Water)
250
200
280
ΔT °C
Max Working Temperature
1,500
1,600
1700
°C
Electrical Characteristics
Volume Resistance At 20°C
>1014
>1014
>1014
Ωcm
Dielectric Strength
15×106
15×106
15×106
V/m
Dielectric Constant
9
10
10
εr
One MHZ Dielectric Loss Angle
at 20°C
0.0004
0.0002
0.0001
tanδ
Chemical Characteristics
Nitric Acid (60%) 90°C
0.1
0.1
0.05
24H WT Loss mg/cm2
Sulphuric Acid (95%) 95°C
0.3
0.34
0.22
Caustic Soda (30%) 80°C
0.9
0.95
0.04


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