Product Details
alumina ceramic housing for direct current relay
1. Description:
TCKT-52 Alumina Ceramic Sealed Parts for HVDC relay is produced
with high-purity toughened alumina ceramics and thick-film nickel
plating technology.It is suitable for brazing different materials
such as copper and alloys.
2. Key Words:
Custom mold for customers,meet the requirements of seismic and tensile,withstand high current
and arc shock,Reaching the reliable sealing and insulation
standards of DC high-voltage relays,new energy vehicles and DC
high-voltage electronic control.
3. Parameters table:
Product Parameters |
Physical Property | Material | 95% Alumina |
Production Process | Dry Pressing |
Product Dimension | Per customers' drawing |
Density (g/cm3) | 3.70-3.75g/cm3 |
Water Absorption | 0% |
Mechanical Performance | Flexural Strength (Mpa) | 310Mpa |
Modulus of Elasticity (Gpa) | 310Gpa |
Hardness (Gpa) | 12.9Gpa |
Poisson Ratio | 0.23 |
Thermal Character | Linear Thermal Expansion Coefficient | 7.2 |
Heat Conductivity (W/mk) | 23 |
Electrical Property | Dielectric Constant | 9.2 |
Dielectric Loss Tangent (x10-4) | 8 |
Insulation Strength (x106V/M) | 15 |
Metalized Ceramic Performance | Air Tightness (Pa·m3/s) | ≤10-8 |
Bulk Resistivity (Ω·cm) | ≥1010 (20°C), ≥106 (300°C) |
Bonding Strength (Mpa) | ≥120Mpa |
Metallization Thickness (μm) | ≥20μm |
Company Profile
Hunan Meicheng Ceramics Technology Co., Ltd. was established in
August 2010 with a registered capital of 36.8 million yuan. It is a
modern large-scale special ceramics enterprise integrating R&D,
production and sales. It passed the national high-tech enterprise
certification in 2014. The company is located in the Special
Ceramics Industrial Park of the Economic Development Zone of Xinhua
County with a beautiful environment, covering an area of 40000
Sq.m. It is the first enterprise to settle in the Special Ceramics
Industrial Park.
Meicheng consists of ceramics division, new energy division, sensor
division, brazing division, mainly engaged in the research and
application of zirconia ceramics, alumina ceramics, talc ceramics
and other non-oxide ceramics. The production mainly adopts dry
pressing process, supplemented by injection molding and tape
casting process, and expands 3D ceramic printing: It has advanced
ceramic nano metallization technology, ceramic brazing and ceramic
finishing capabilities.
Meicheng has a professional R&D and testing platform, a mold
making center and a raw material distribution base. And
successively established long-term industry-university-research
cooperation relations with Tsinghua University, Central South
University, Hunan University, Changsha University of Science and
Technology and other universities. Products are widely used in
electronic appliances, communication interconnection, electric
vehicles, urban light rail, aerospace, robotics and other fields.