Converting Industrial Waste into Nanostructured Aircraft Turbine Coatings

Industrial waste converted in coating for aircraft turbines

Researchers at the Center for Research in Advanced Materials (Cimav) in Moneterrey have developed a nanostructured coating for aircraft turbines which can withstand temperatures greater than 1000°C.

The superalloys which are used to create aircraft turbines are subjected to very high temperatures. The aircraft’s nozzle and blades are made up of nickel-based superalloys and are located in the turbine’s ‘hot zone’.

The high temperatures cause microstructural degradation, which is a substantial problem in the aviation industry. This degradation affects mechanical and thermal properties, and also reduces the turbines’ energy efficiency. The project leader, Dr. Ana Maria Arizmendi Morquecho, stated that the nanostructured coating would help address this issue.

The researchers developed nanocomposites, which are based on advanced thermal barriers, using flying ash and nanoparticles in the composite material. Flying ash contains a thermally and chemically stable compound called mullite, which the researchers used as a ceramic matrix in the novel nanocomposite material.

This reduces the thermal conductivity and allows it to be used as a coating for superalloys. Flying ash has been considered as a polluting material and its application for coatings in the aviation industry will benefit the environment.

Alexander Chilton

Written by

Alexander Chilton

Alexander has a BSc in Physics from the University of Sheffield. After graduating, he spent two years working in Sheffield for a large UK-based law firm, before relocating back to the North West and joining the editorial team at AZoNetwork. Alexander is particularly interested in the history and philosophy of science, as well as science communication. Outside of work, Alexander can often be found at gigs, record shopping or watching Crewe Alexandra trying to avoid relegation to League Two.

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