Ceramic Coating Machine, Powder Modification Machine, Surface Modification Machine

Release time:

2026-02-27 08:23

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Ceramic materials inherently possess natural advantages such as high hardness, high-temperature resistance, and corrosion resistance. However, their raw powders suffer from drawbacks including poor dispersibility, inadequate formability, and weak interfacial bonding, which limit their application in high-end fields. Coating and modification technologies, through targeted processing, enable ceramic materials to achieve a significant leap in value across multiple key areas.

Honeycomb grinding technology advantages:

Integrated continuous production: Dispersing, grinding, coating, drying, and classifying are all integrated into a single piece of equipment for continuous operation, significantly shortening the process flow, enhancing efficiency, and reducing pollution and energy consumption.

Uniform coating and high density: The dynamic mechanochemical process ensures nanoscale uniformity of the coating layer and its tight bonding with the core, leaving no dead corners. The coating coverage rate can reach... Over 98%.

Wide process adaptability: The system can handle a variety of material combinations, ranging from organic to inorganic substances and from liquid coating agents to solid coating powders. By adjusting parameters such as rotational speed, temperature, medium, and residence time, the thickness (from several nanometers to several micrometers) and structure of the coating layer can be precisely controlled.

Preserving the morphology of core particles: Relying primarily on gentle yet efficient shear forces and pressure, surface modification can be achieved without excessively crushing the core particles, thereby retaining their original morphological advantages.

Clean and pollution-free: The system operates in a closed-loop configuration, preventing material leakage and external contamination, making it particularly suitable for the preparation of high-purity ceramic materials.

The ceramic composite powder, after being coated and modified by the honeycomb milling process, can significantly enhance the performance of the final product during subsequent forming and sintering processes, opening the door to high-value-added applications.

Strengthening and toughening of structural ceramics: Coating the surfaces of particles such as alumina and zirconia with nanoscale yttria, magnesium oxide, or silicon carbide can effectively inhibit abnormal grain growth during sintering, enhance sintering activity, and result in a finer microstructure of the sintered body. This, in turn, significantly improves flexural strength, fracture toughness, and thermal shock resistance. For example, these materials are used in high-end cutting tools, wear-resistant components, and artificial joints.

Performance Optimization of Functional Ceramics: Barium Titanate ( By coating the surfaces of dielectric ceramic powders—such as those from BT—with specific oxides, it is possible to precisely control their dielectric constants and temperature stability, thereby meeting the stringent requirements for miniaturization and high capacitance in multilayer ceramic capacitors (MLCCs). Surface modification of piezoelectric ceramic powders can enhance their polarization efficiency and piezoelectric performance.

Improving Processing and Sintering Performance: Coating a very thin layer of organic additives or low-melting-point glass phases can serve as excellent sintering aids or dispersants, enhancing the fluidity of powders in slurries, lowering sintering temperatures, reducing internal porosity in sintered bodies, and increasing the yield of finished products.

Endowing with new functionalities: By coating the surface of ceramic powders with materials such as silver and zinc oxide, it is possible to produce composite functional materials with outstanding electrical conductivity, antibacterial properties, or photocatalytic performance, which can be applied in fields such as specialty coatings, sensors, and environmental purification.

Reducing Costs and Optimizing Resource Utilization: By surface-coating and modifying inexpensive or bulk ceramic powders to give them surface properties or reactivity similar to those of more expensive powders, we can achieve cost-effective production of high-performance materials or enhance the added value of industrial by-products.

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