Intricate geometries and fine features can be molded to net shape, minimizing secondary machining of hard ceramics.
Various ceramics like alumina, zirconia, silicon carbide, and composites can be formulated to optimize specific properties.
Excellent dimensional control down to ±0.002 inches is possible for small, complex ceramic components using ceramic injection molding.
Post-molding ceramic injection molding surface treatments include diamond grinding, laser etching, glass beading, secondary machining, coatings, and hot isostatic pressing to enhance properties.
| Surface Treatment | Description | Applications |
| Glazing | Adds a glossy and protective layer to the ceramic surface. | Tableware, decorative items. |
| Polishing | Achieves a smooth and reflective surface finish. | Optical components, jewelry. |
| Diamond Grinding | Precision grinding for tight tolerances and smooth finish. | Mechanical components, tools. |
| Plasma Etching | Removes surface impurities and enhances adhesion. | Semiconductor components. |
| Sintering | Applies heat to bond particles, creating a denser structure. | Engineering ceramics, tools. |
| Surface Coating | Adds a protective layer for improved wear resistance. | Cutting tools, machinery parts. |
| Laser Marking | Creates permanent markings with high precision. | Medical devices, electronics. |
| Metallization | Deposits a thin metal layer for electrical conductivity. | Electronics, sensors. |
| Thermal Spraying | Coats the surface with melted ceramic particles. | Thermal barrier coatings. |
| Chemical Vapor Deposition (CVD) | Deposits thin films of ceramic material. | Semiconductors, optics. |
Ceramic injection molding enables fabrication of precision components like nozzle guides, turbine blades and ceramic matrix composites able to withstand extreme environments.
Inertness allows ceramics to be molded into implantables like orthopedic joint replacements, dental implants, and catheter components.
Superior hardness makes ceramic injection molded parts ideal for high wear applications including nozzles, pump components, valves, and extrusion dies.
High temperature resistance and dimensional precision enabled injection molding of ceramic diesel fuel injector nozzles with flow geometries impossible by other methods.
Ceramic injection molding of high-strength zirconia provided biocompatible dental implants and components with intricate shapes and superior esthetics.
Alumina ceramic injection molding fabricated high voltage insulators capable of withstanding intense heat for aerospace turbine engine ignition systems.
Yes, ceramics like alumina, zirconia, and silicon carbide can be injection molded using advanced powder metallurgy processes to produce complex, net-shape ceramic components.
Common materials used in ceramic injection molding include alumina, zirconia, silicon carbide, macor, glass ceramics, and composites. The optimal ceramic depends on mechanical, thermal, electrical needs.
Ceramic powder is mixed with thermoplastic binders, injection molded into complex shapes, then debound and sintered to remove binders and densify ceramic parts with fine features and excellent tolerances.
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