Simple and cheap method to make stronger materials

Scholars at the Moscow State Institute of Steel and Iron Alloys (NUST MISIS) at the Russian National Research Technical University have invented an economical method for obtaining cubic boron nitride nanoparticles. This method is helpful for the production of composite material improvers on an industrial scale-fortifiers. The research results were published in the scientific journal "Material Science and Engineering A".

Composite materials are multi-component materials, usually composed of a plastic foundation, and the plastic foundation is reinforced with a high-strength filler. Many composite materials surpass traditional materials and alloys in mechanical properties, but are thinner and lighter.

The scholars of the Institute of Inorganic Nanomaterials Research of the College invented the technology to obtain nanoparticles by the method of controlled layering and pulverization of cubic boron nitride in a ball mill. Cubic boron nitride is a typical interlayer material, and graphene is the structural twin. Senior researcher in the laboratory and co-author of the study, Andrei Kovalisti, said: "The work shows that the efficiency of layering and crushing cubic boron nitride in the ball mill is extremely high, which helps To ensure efficient production of nanoparticles with an average size of 50 nm to 100 nm. "

Using the obtained nanoparticles, scholars synthesized the first batch of composite cermet materials on the basis of the already hardened aluminum. According to calculations, the cost of new technologies to obtain similar nanostructures may be reduced to one-twentieth the cost of using traditional high-temperature synthesis methods.

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