Nanocoatings increase operating life of machines and engines
Engines, turbines, machines, planes and production plants have to be able to bear constantly high levels of strain. Thin but highly stable, nanostructured, resistant-material coatings reduce wear and tear and increase thermal stability thus ensuring that highly stressed components are more durable. One method of producing nanocoatings is to use thermal spraying for applying nanopowders. Dortmund’s Thermico GmbH and CoKG provides the necessary know-how and equipment for this.
In high velocity flame spraying, HVOF for short, of ultra-fine carbide powders, the particles are accelerated to a high velocity and sprayed onto the components. This creates a thin but extremely dense and hard-wearing surface. The finer the particles are - some have a diameter of less than ten micrometers - the more durable they are.
This procedure is not only cheaper and more environmentally friendly than the previously-used hard chromium plating. The nanocoated surfaces have also proven themselves to be very hard in practice. Wear and tear is five times less than for chromium coatings. The form and function of components are thus sustained for much longer.
In vehicles, nanocoated engine parts give engines a longer life – and simultaneously reduce fuel consumption. But other industries benefit from these durable surfaces too. Together with renowned machine and turbine producers in Europe, Thermico is working on processing and enhancing this technology in many areas.
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