Nanotechnology for Automotive Lubrication

By: William Crescenzo CMC/Awci MSME

How and why tungsten nanospheres work:

To start, nano particles (spheres) are hard to imagine. So small, that they can interact with engine lubricant and other matter on a molecular level.

This interaction allows them to become one with both the metal surfaces and the lubricant they are exposed to.

The tungsten component is chemically inert, stable and unaffected by temperatures encountered in application as a lubricant. Tungsten nanospheres will not alter the carrier, exposure to them alters the way the metal of the friction surfaces interact with the lubricant .

Once the metals are exposed to the tungsten component in the carrier fluid, metal to metal friction is dramatically reduced, if not eliminated.

This will increase engine efficiency (gas mileage).

The end result is a dramatic reduction in wear, the friction that causes wear, heat, and power losses. This will also increase gas mileage.

Benefits:

Lower friction (improved lubricity, lower energy costs. )

Measurably better gas mileage , reduce wear, increase efficiency and

increased horsepower.

Lower operating temperatures (as less energy is converted into heat)

Increase in Oil / lubricant life and longer changeovers

High Load bearing property means Reduction in wear of mating parts

Offers increased corrosion resistance

Does not clog oil or fuel filters as .5 micron particles easily pass thru filter.

Characteristics :

Nanoparticles are defined as any particle with a size less then 100 nanometer (0.1 micronmeter).

When materials are made into nanoparticles, their reactivity increases. Nanoparticles have a very high surface area to volume ratio, due to this, a higher percentage of atoms (in nanoparticles) can interact with other matter. Therefore, the surface area (measured in square meters per gram) is the most important unit of measure for nanoparticles.The higher the surface area,the higher the lubricity.

Tungsten nanospheres as applied to engine lubrication:

Tungsten nanoparticles are one of the most expensive and highly developed lubricant additives available today.

Nano technology, as applied to lubricant additives, suspends the tungsten spheres in the circulating lubricant. This allows the tungsten component to be applied to all metal bearing surfaces, as well as cylinder walls, pistons and piston rings.

The important characteristic of nanoparticles, is that they bond to the metal friction surfaces. Essentially "plating" them, preventing metal - to metal contact. Tungsten is one of the most wear - resistant substances known to man.

Tungsten is temperature resistant far beyond what is encountered in any automotive application.

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