Cvd tool coating

Anyway, oil is not colorful, it's either honey colored when new or black when draining from your oil pan. That black oil is becoming a colorful rainbow because of refraction. Light reflects off the top of the oil surface and also travels through the thin oil and is reflected back from the water surface below the oil. Depending on the thickness of the oil, light rays will either be reinforced or interfered with by the oil refraction.

When the rays of light reach your eye, the destructive interference wavelengths cancel each other out. The oil thickness variation dictates what colors you see and what color wavelengths get canceled out. So a slight variation in thickness can have a big impact on the color you see. The same holds true with silicon.

Small variations in thickness can make a big difference in the color of the coating. So t he different colors observed on Silco'd treated parts indicate different layer thicknesses. A blue color corresponds to a to Angstrom layer while a rainbow color indicates a coating of at least Angstroms nanometers.

Colors associated with layer thickness are:. So as you can see, a few nanometers change in thickness will result in a dramatic change in the color of the part. Our coatings are colorful because they're thin. Why do we make the coating thin?

Because the amorphous silicon coating when thin does not impact part tolerance significantly and because our coatings are highly durable so they don't need to be thick. Have other questions? Try our Frequently Asked Questions page.

So why don't we make parts all the same color? We're an industrial coating company so we're focused on the ultimate performance of the coating, not appearance. We could in theory make parts with uniform color, but that would impact coating thickness and may result in a less robust coating.

Plus rainbow is more fun! Topics: SilcoTek. Home Coatings About Contact Ordering. Some of the benefits of applying this coatiang include:. High thermal conductivity and heat transfer performance. Increased toughness and durability. Impact and crack resistance. Prevents oxidation. Resistant to wear. Resistant to abrasion and erosion. Withstands harsh environments.

Prevents fatigue. Why Advanced Coating Technologies. This enhanced adhesion protects forming tools from the sliding friction wear-out caused by the severe shearing stresses generated in heavy metal-forming applications.

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