Cold spray is a rapidly emerging, melt-less manufacturing technology that's greener and more cost-effective than conventional methods.

The challenge

Adapting cold spray for industry

Cold spray is an exciting new deposition technology that eliminates several steps in conventional manufacturing.

Industrial parts produced using CSIRO's cold spray technique

It offers a more efficient, cost-effective and environmentally-friendly process which can be applied to industries from biomedical through to aerospace.

Cold spray is versatile. It can be used for direct manufacturing, advanced coating, repair and modification, and can be applied to metal, glass, ceramic and other materials.

Advanced cold spray equipment accelerates particles of material faster than the speed of sound. These particles slam onto the surface and bond with the surface, building up layers of deposition. The system can join chemically dissimilar materials and can be used in a variety of applications.

The challenge is increasing industry adoption and adapting this sophisticated manufacturing method to create solutions for real industry problems.

Our response

Rapid low-waste, low-cost manufacturing

We have established a well-equipped facility, with two dedicated spray rooms, to provide Australian industry with access to the technology.

Items produced using CSIRO's cold spray manufacturing technique

The key advantage of cold spray over other direct manufacturing technologies, including laser or electron beam melting, is that the particles are deposited in a solid state, with no melting.

We have used cold spray for:

  • manufacturing large, free-form components
  • producing seamless titanium pipes
  • replacing electroplating for printing rollers
  • high temperature oxidation protection
  • low friction coatings
  • repair of worn engine parts
  • thin, conductive coatings on electronic ceramics
  • treatments to prevent biofouling for non-paintable polymers.

Each material and application is unique, requiring careful understanding of the relationship between process conditions, particle acceleration and deposition.

Cold spray is helping manufacturing companies develop new products and enter different markets.

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