Abstract Scholars at the National Institute of Steel Alloys (NUSTMISIS) of the Russian National Research University of Technology have invented an economical method for obtaining cubic boron nitride nanoparticles. This method helps to produce a composite improver, a fortifier, on an industrial scale. Research knot...

Scholars at the National Institute of Steel Technology of Russia (NUST MISIS) invented an economical method for obtaining cubic boron nitride nanoparticles. This method helps to produce a composite improver, a fortifier, on an industrial scale. The research results were published in the scientific journal Materials Science and Engineering A.

Composite materials are multi-component materials, usually made of a plastic base, while plastic foundations are reinforced with a strong filler. Many composite materials surpass traditional materials and alloys in terms of mechanical properties, but are thinner and lighter.

Scholars at the Institute's Inorganic Nanomaterials Research Laboratory have invented techniques for obtaining nanoparticles by controlled layering of cubic boron nitride in a ball mill and pulverizing its fine powder. Cubic boron nitride is a typical interlayer material and is a structural twin with graphene. Andrei Kovalisti, a senior researcher at the laboratory and co-author of the study, said: "The results show that the efficiency of stratification and pulverization of cubic boron nitride in a ball mill is extremely high. To ensure efficient production of nanoparticles with an average size between 50 nm and 100 nm."

Using the obtained nanoparticles, the scholars synthesized the first batch of composite cermet materials based on the aluminum that has been shown to be extremely hardened. According to calculations, the cost of acquiring new nanostructures for new technologies may be reduced to one-twentieth of the cost of using traditional high-temperature synthesis methods.



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