Innovations in Sciences, IT, Computers, Robotics and Nanotechnology

[pib] Friction-reducing Nanocomposite Coatings

Note4Students

From UPSC perspective, the following things are important :

Prelims level: Nano-composites and its applications

Mains level: Not Much

A group of scientists at the International Advanced Research Centre for Powder Metallurgy & New Materials (ARCI) have developed a process for size-selective deposition of nanocomposite coatings which can reduce friction of these dynamic systems.

What are Nanocomposites?

  • Nanocomposite coatings are formed by mixing two or more dissimilar materials at nanoscale to improve the physical, chemical and physicochemical properties of the new materials.
  • The scientists have found that nickel tungsten-based coatings with infusion of particular sized Silicon Carbide (SiC) submicron particles using a pulsed electroplating can provide an excellent combination of wear and corrosion resistance.

Applications

  • Many aerospace, defence, automobile, space devices need to reduce friction, wear, and tear to enhance the life of components.
  • Lubricating these dynamic systems add to the cost, complexity, and weight of these systems.
  • The coating could help in reducing the friction of such devices.

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