Carbide materials are a proven means for wear and erosion protection. Our comprehensive carbide portfolio includes the right material to match your specific wear needs and operating environment.
Carbide-containing materials are well-known for their ability to provide wear protection on surfaces for many different applications. Oerlikon Metco offers a wide range of carbide materials for different application processes including:
We understand wear in all its forms. Let our experts guide you when you need a surface with protection against:
Tungsten carbide (WC/W2C) materials, often in a cobalt matrix, offer the best wear protection. For service that requires better corrosion resistance, we recommend a matrix of nickel-cobalt-chromium (NiCoCr), or cobalt-chromium-nickel (CoCrNi).
If your application requires service temperatures above 500 °C (930 °F), we recommend chromium carbide (Cr3C2) materials, generally with varying amounts of nickel-chromium matrix. Materials with a higher percentage of matrix produce coatings with better ductility, resulting in improved impact and fretting resistance. Conversely, a lower percentage of matrix offers greater hardness, resulting in better abrasion and wear resistance.
Tungsten titanium carbide (WTiC) can be considered as a possible replacement for tungsten carbide. WTiC is less dense than tungsten carbide fand has unique properties, such as:
In addition to the carbide types discussed above, ask us about materials designed with our proprietary Scoperta™ rapid alloy development process that form fine, homogeneous exotic carbides during processing that offer overlays with unique surface properties.
The manufacturing processes we use to produce our materials directly affect their service and spray properties. Agglomerated and sintered carbides produce surfaces with better microhardness and coating deposition efficiency compared to fused and crushed carbides. We achieve even higher deposition efficiencies through further powder densification. Through our manufacturing processes, we optimize our carbide materials for various applications and spray processes. We supply many of our product chemistries in different powder sizes to suit specific liquid fuel or gas fuel HVOF spray guns. The right combination of all these optimization procedures ultimately saves you time and money on your production and enhances surface service life. We can produce these products in a wide range of particle size distributions. Consult with our material scientists on your specific application requirements.
Look through our carbide portfolio for excellent alternatives to hard chromium plating, particularly for landing gears, hydraulic rods, and oil field equipment. The benefits include:
For components that are difficult or too costly to machine, we offer very fine carbide materials. They provide very smooth "as-sprayed" surface finishes that require little or no machining. For example, corrugating rolls used in the paper industry need an abrasion resistant surface but have a geometry that would be cost-prohibitive to machine.
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