Silicon Nitride Ceramic U-Block - High-Temperature Resistant Structural Clamping

Product Specification

Silicon Nitride Ceramic U-Block - High-Temperature Resistant Structural Clamping Component

Product Overview

This is a reaction-sintered silicon nitride ceramic U-block featuring a deep black matte finish. The U-shaped design with three precision-ground working surfaces maintains strict perpendicularity and parallelism. This specialized U-shaped structure ensures secure workpiece positioning while accommodating thermal expansion in high-temperature environments, making it an ideal clamping solution for sintering processes and precision testing applications.

Primary Applications

• Semiconductor Industry: Wafer sintering fixtures, diffusion process carrier blocks
• Laboratory Settings: High-temperature furnace temperature measurement supports, vacuum environment support blocks
• Industrial Sector: Induction heating equipment insulation supports, automated machinery guide blocks
• Research Institutions: Material testing fixtures, specialized equipment insulation components

Product Advantages

→ Exceptional Temperature Resistance: Continuous operation up to 1200°C
→ Superior Wear Resistance: Vickers hardness up to 1400HV
→ Ultra-Low Thermal Expansion: Coefficient of thermal expansion only 3.2×10⁻⁶/°C
→ Excellent Insulation Properties: Volume resistivity >10¹⁴Ω·cm
→ Outstanding Thermal Shock Resistance: Withstands rapid temperature changes without cracking

Technical Specifications

Manufacturing Process

Raw material formulation → Dry pressing → Isostatic pressing → Reaction sintering → CNC precision grinding → Ultrasonic cleaning → Laser marking → Quality inspection → Vacuum packaging

Usage Guidelines

1. Ensure complete contact between the U-groove and mounting surface during installation

2. Recommended tightening torque not exceeding 25N·m using a torque wrench

3. Regular cleaning of groove accumulation; recommend wiping with anhydrous ethanol

4. Avoid contact with hydrofluoric acid chemicals

5. For applications exceeding 800°C, recommend using gradual temperature ramping

Service Commitment

We Provide:
• 12-month product quality warranty
• Complimentary technical selection support
• Custom size manufacturing services
• 48-hour response for after-sales inquiries
• Lifetime complimentary product usage guidance

Frequently Asked Questions

Q: Are custom U-groove dimensions supported?
A: Full custom sizing available, capable of processing based on drawings or samples

Q: Can the product be used in hydrogen environments?
A: Suitable for hydrogen atmosphere applications with maximum service temperature of 1100°C

Q: What is the standard delivery lead time?
A: Standard specifications: 7 working days; Custom orders: 15-20 working days

Q: Are temperature resistance test reports provided?
A: Third-party material analysis reports available upon request with shipment

Product Features:
This U-block utilizes specialized formulation and sintering technology that enhances impact resistance while maintaining silicon nitride's superior properties. The unique stress-relief groove design at the base effectively prevents bottom cracking caused by thermal stress during prolonged high-temperature use, increasing service life by approximately 40% compared to conventional square structures.