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Customized High hardness, wear resistance, high temperature resistance, corrosion resistance Alumina machined structural parts

  • 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:
  • 01072

  • HaoRui

  • custom01001

 Alumina Ceramic Custom Finishing


Alumina ceramic structural parts


Alumina ceramics are also known as precision ceramics, special ceramics, structural ceramics, or high-tech ceramics. It is a ceramic with highly selected raw materials, produced according to a special manufacturing process, which can precisely control the chemical composition and has excellent properties. Currently, alumina ceramics are mainly used in high-tech and cutting-edge industries, such as microelectronics, nuclear reactors, aerospace, magnetic fluid power generation, artificial bone and artificial joints. 

Alumina ceramics are highly regarded in various industries due to their exceptional properties and precise manufacturing process. They are commonly utilized in cutting-edge sectors like microelectronics, nuclear reactors, aerospace, magnetic fluid power generation, artificial bone, and artificial joints. The unique chemical composition of alumina ceramics makes them ideal for applications that demand high performance and reliability. These ceramics play a crucial role in advancing technology and innovation, providing solutions for complex engineering challenges. With their versatility and durability, alumina ceramics continue to be at the forefront of material science, driving advancements in diverse fields and contributing to the development of groundbreaking technologies.

Selected raw materials must be chosen with high purity, the particles should be as fine as possible, so that the material to ensure that the alumina ceramic, high temperature resistance, corrosion resistance, wear resistance and other effects will be better. If it is not pure alumina ceramics, its effect is obviously not so good.


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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Founded in June 2006, Shenzhen Haorui IndustriaI Technology Co.,Ltd. is a professional enterprise engaged in R&D, manufacturing and sales of non-standard industrial ceramics, hard alloys (tungsten steel) and various metal and non-metal precision machinery parts.

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