Scientists at Novosibirsk State Technical University (NSTU) have developed manganese-zinc ferrites — ceramic materials with magnetic properties that are comparable to imported counterparts and can operate at temperatures up to 180°C. The development is intended for the production of radio-electronic equipment and pulse power supplies, TASS was told in the press service of the university. Ferrites are obtained from iron, manganese, and zinc oxides; they are used in transformers and filters for converting electricity and suppressing interference. Novosibirsk scientists have created a special chemical composition that takes into account the characteristics of domestic raw materials, which has solved the problem of import substitution.
How Material Stability Was Achieved
NSTU specialists conducted large-scale studies of the relationship between the composition, structure, and properties of manganese-zinc ferrites, supplementing the data available in the scientific literature. As a result, they obtained fine-grained materials with additives, characterized by high temperature stability in the range from 25 to 180 degrees. Methods for introducing additives directly in the laboratory have also been developed.
The results obtained will allow us to move on to the development of a new generation of functional materials for domestic electronics
What Will Be Created Based on Manganese-Zinc Ferrites
In parallel, the university team is working on new low-profile cores made of power manganese-zinc ferrites with an operating frequency of up to 2 MHz. Such products are necessary for compact power supplies. Currently, scientists are manufacturing batches of prototypes of magnetic cores for transfer to radio-electronic industry enterprises.
The creation of domestic ferrites allows us to form our own competitive component base. Unlike traditional soft magnetic materials, power manganese-zinc ferrites make it possible to manufacture cores of any shape and reduce the cost of mass production.
Manganese-zinc ferrites are a basic component for transformers, filters, and power supplies for almost any electronics. The creation of our own technology and the establishment of production of such materials reduces dependence on external supplies and lays the foundation for the production of a new generation of compact and energy-efficient radio-electronic equipment in Russia.
