ceramic structure workpiece
2 year ago
OEM electrical alumina ceramic bases
The ceramic base provides a stable and reliable platform for mounting and connecting electronic components. It ensures proper electrical isolation and minimizes the risk of short circuits or electrical interference. The high thermal conductivity of alumina ceramic allows for efficient heat dissipation, preventing overheating and ensuring the longevity of the electronic components.
The electrical alumina ceramic base is also known for its mechanical strength and chemical resistance. It can withstand harsh environments and is resistant to corrosion, making it suitable for applications in industries such as aerospace, automotive, telecommunications, and power generation.
Overall, the electrical alumina ceramic base is a crucial component in electrical systems, providing a durable, reliable, and high-performance platform for various electronic applications.
Item
Unit
Al2O3 95％－97％
Al2O3 99％
Desity
g/cm3
3.7
3.85
Flexural Strength
Mpa
300
340
Compressive Strength
Mpa
3400
3600
Modulus of Elaslicity
Gpa
350
380
Impact Resistance
Mpa m1/2
4.0
5
Weibull Moudulus
m
10.0
10
Vickers Hardness
HV0.5
1200.0
1300
Thermal Expansion Coefficent
10-6K-1
5.0-8.3
5.4-8.3
Thermal Conductivity
W/mK
24
27
Thermal Shork Resistance
△T℃
250
270
Maximum Use Temperature
℃
1600
1650
Volume Resistivity at 20℃
Ω
≥1014
≥1014
Dielectric Constant
KV/mm
20
25
Open Porosity
%
0
0
Dielectric Constant
ξr
10
10
Dielectric Loss Angle
Tanσ
0.001
0.001
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