Silicon nitride test rod
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材料及含量
产品特点
1. Density: 3.2 g/cm³.
2. Flexural Strength: 600-800 MPa.
3. Vickers Hardness: 1450-1480 HV.
4. Coefficient of Thermal Expansion: 2.7×10⁻⁶/K.
5. Thermal Conductivity: 20-30 W/m·K.
6. Fracture Toughness: 5-7MPa·m¹/².
7. Maximum Operating Temperature: 1000℃ in air / 1400℃ in protective atmosphere.
产品详情
Product Introduction of Silicon nitride test rod:
Silicon nitride ceramic testing rods are made of a high-performance structural ceramic material formed by the covalent bonding of silicon (Si) and nitrogen (N) elements. This material possesses high hardness, high wear resistance, high temperature resistance, and excellent chemical stability, exhibiting superior performance in extreme industrial environments.
Product Features and Advantages
1. Exceptional Environmental Resistance: Maintains a bending strength of 1200 MPa even at 1200℃, which is three times higher than traditional quartz materials.
2. Cleanroom-Grade Purity: Metal ion leaching is <0.01 ppb, controlling the contamination rate of 12-inch wafers to less than one part per million.
3. Corrosion Resistance: Corrosion rate is <0.001 mm/year in 98% concentrated sulfuric acid medium (120℃/35MPa), 20 times better than 316L stainless steel.
4. Self-Lubricating Properties: Friction coefficient is as low as 0.05-0.1, significantly reducing energy consumption and maintenance costs.
5. Thermal Shock Resistance: Can withstand temperature differences of 800℃, with a thermal shock cycle life exceeding 10⁵ cycles.
Application Fields
1. Semiconductor manufacturing: Wafer transfer robots, etching equipment spray nozzles, heat treatment equipment components.
2. High-temperature equipment: Bearing rollers, aerospace fasteners, engine components.
3. Chemical equipment: High-pressure plunger pumps, corrosion-resistant pipes, valves.
4. Precision machinery: High-precision measuring rods, wear-resistant bushings, cutting tools.
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