High Mechanical Strength Alumina Ceramic Pads For Frequency Converters In Industrial Automation

High Mechanical Strength Alumina Ceramic Pads For Frequency Converters In Industrial Automation

Alumina ceramic thermal pads are high-performance thermally conductive and electrically insulating materials made primarily from high-purity aluminum oxide (Al₂O₃). Designed specifically for electronic cooling applications, these ceramic pads offer excellent thermal conductivity, electrical insulation, and mechanical strength. Their unique microstructure makes them an ideal alternative to traditional plastic thermal pads and metal heat sinks.

Applications

• Power Electronics: IGBT modules, power transistors, rectifiers

• LED Lighting Systems: Heat dissipation for high-power LED chips

• New Energy Vehicles: Battery management systems, motor controllers

• Communication Equipment: 5G base stations, RF power amplifiers

• Industrial Automation: Frequency converters, servo drives

• Consumer Electronics: High-end CPU/GPU cooling solutions

Key Advantages

1. Superior Thermal Conductivity: Thermal conductivity of 20-30 W/m·K, far exceeding standard plastic pads

2. Excellent Electrical Insulation: Breakdown voltage >10 kV/mm, ensuring device safety

3. High-Temperature Stability: Operating range from -50°C to 500°C without deformation or performance degradation

4. Chemical Inertness: Resistant to acids, alkalis, and oxidation, ensuring long service life

5. High Mechanical Strength: Compressive strength >200 MPa, resistant to breakage during installation

6. Eco-Friendly & Non-Toxic: Compliant with RoHS standards, free of heavy metals and hazardous substances

Technical Specifications

Manufacturing Process

1. Raw Material Preparation: High-purity alumina powder with sintering additives

2. Forming Process: Dry pressing or tape casting to form green bodies

3. Sintering: Precision sintering at 1600-1800°C

4. Precision Machining: CNC processing to achieve required dimensions and surface finish

5. Surface Treatment: Optional polishing or coating for enhanced performance

6. Quality Inspection: Full dimensional and performance testing

7. Cleaning & Packaging: Ultrasonic cleaning and vacuum sealing

Installation Guidelines

1. Surface Preparation: Clean contact surfaces to remove oil and dust

2. Proper Mounting: Apply even pressure to avoid localized stress

3. Torque Control: Use a torque wrench with recommended tightening values

4. Interface Treatment: Apply thermal grease to minimize contact thermal resistance

5. Periodic Inspection: Check pad condition every 6-12 months

6. Replacement Criteria: Replace if cracks, wear, or performance degradation occurs

After-Sales Service

• Free replacement for non-human damage

• Custom solutions available

• Regular customer follow-ups

• Performance monitoring services

Frequently Asked Questions (FAQ)

Q: How does alumina ceramic compare to silicone thermal pads?
A: Alumina offers higher thermal conductivity and temperature resistance, making it suitable for high-power applications, while silicone pads are softer for irregular surfaces.

Q: How to select the right thickness?
A: Depends on cooling requirements and assembly space; common thicknesses are 0.5-3mm. Consult our engineers for guidance.

Q: Can the pad be reused?
A: Not recommended—removal may affect flatness and thermal performance.

Q: Is thermal grease necessary?
A: Optional for precision-machined surfaces, but a thin layer improves heat transfer.

Q: What is the maximum pressure tolerance?
A: Compressive strength >200 MPa, but installation pressure should not exceed 10 MPa to avoid cracking.

We are a company with many years of experience in the production of special precision ceramics and the ability to design, manufacture, process and sell structural and functional parts of various special precision ceramics.

Deyu Precision Ceramics Technology Co., Ltd. has many years of experience in producing special precision ceramics, and has the ability to design, manufacture, process and sell structural and functional parts of various special precision ceramics. At present, the company has production and processing equipment such as dry press, isostatic press, experimental furnace, flat kiln, machining center, surface grinder, universal internal and external grinder, centerless grinder and laser cutting machine, as well as complete high-precision testing equipment such as high-precision projector, three-dimensional tester, metallographic microscope, hardness tester and densitometer.

With advanced production technology and complete production facilities, the company is one of the few domestic enterprises that can produce special precision ceramic structural parts and functional parts with machining accuracy less than 2 microns, and has strong core competitiveness in the same industry in China.

Advantages of the company: 1. National new technology enterprises; 2. The company has a municipal R&D center; 3. Cooperation with domestic key universities and research institutes; 4. Design, molding, sintering and precision processing; 5. The products cover alumina, zirconia, silicon nitride, silicon carbide and other precision ceramics; 6. Precision plus technology.

The company has always been standing in the position of customers to solve problems, focusing on the principle of quality and delivery time, adhering to the business philosophy of "integrity, innovation and reassurance", and sincerely looking forward to cooperating with you.