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All the most important and interesting things about the Huaci company. Learn about the company's new products, developments and major achievements.

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04 2026-03
Silicon Nitride Bearing Balls in Semiconductor Vacuum Pumps: Engineering Ultra-High Reliability
Ultra-high vacuum (UHV) systems are foundational to semiconductor processes such as deposition, etching, and ion implantation. Turbo molecular pumps and dry vacuum pumps must operate at extreme speeds while maintaining contamination-free environments.Silicon Nitride Bearing Balls are increasingly specified in hybrid ceramic bearings within semiconductor vacuum pumps to enhance performance under these demanding conditions.
04 2026-03
Silicon Nitride Bearing Balls in Aerospace Turbomachinery
Aerospace turbines demand:1、High rotational speeds2、Thermal stability across -50°C to 250°C3、Reduced weight for efficiency4、High reliability under variable loadsConventional steel bearings face limitations in high-speed aerospace applications due to centrifugal stress, thermal expansion, and fatigue.
03 2026-03
Chemical Corrosion Resistance of Silicon Nitride (Si3N4) Grinding Media in Aggressive Milling Environments
In chemical processing industries, grinding media must tolerate not only mechanical impact but also corrosive exposure. Acidic slurries, alkaline suspensions, and reactive intermediates can degrade conventional metallic and oxide ceramic media. Silicon nitride (Si3N4) grinding media offers a distinct advantage due to its chemical stability and covalent bonding structure.
03 2026-03
Silicon Nitride (Si3N4) Grinding Media in High-Temperature Dry Milling Applications
Dry milling under elevated temperatures presents unique mechanical and thermal challenges. Frictional heating, impact stress concentration, and oxidation risk can accelerate media degradation. Silicon nitride (Si3N4) grinding media is increasingly selected for high-temperature dry milling due to its exceptional thermal shock resistance and structural stability.
03 2026-03
Mechanical Alloying Efficiency Using Silicon Nitride (Si3N4) Grinding Media
Mechanical alloying (MA) is a high-energy milling process used to produce advanced alloys, nanostructured materials, and composite powders. Media selection significantly influences alloy homogeneity, contamination level, and processing efficiency. Silicon nitride (Si3N4) grinding media has gained attention in MA applications for its strength-to-weight ratio and low contamination profile.
03 2026-03
Silicon Nitride (Si3N4) Grinding Media for High-Purity Electronic Ceramic Powder Production
Electronic ceramics demand extreme material purity and precise microstructural control. From dielectric substrates to semiconductor-related ceramics, contamination control during milling is critical. Silicon nitride (Si3N4) grinding media is increasingly adopted in electronic powder production lines due to its mechanical strength and chemical stability.
Dedicated to the research and development and manufacturing of new silicon nitride ceramic materials

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