Magnetic technologies

We are conducting the following research in magnetic technologies:

• manufacturing technologies for soft magnetic composites using iron powder welding with plastics;
• manufacturing technologies for composite permanent magnets (bonded magnets) using welding of hard magnetic powders from Nd-Fe-B alloys with plastics;
• examination of physical (magnetic, mechanical, electrical and thermal) properties of magnetic components;
• magnetisation of two- and multi-pole permanent magnets with variable magnetic pole configuration;
• 3D simulation and analysis of electromagnetic field in electrical machinery and equipment using Maxwell 15 software;
• application of powder magnetic components in electrical machinery and other electromagnetic and electromechanical transducers.

Our process devices:

• hydraulic press with pressure up to 3,000 kN;
• furnace with temperature up to 1,300°C;
• drier with temperature up to 250°C;
• laboratory mills;
• high-voltage pulse magnetisers;
• toroidal winding machine.

Our measuring instruments:

• hysteresis meter for measuring permanent magnet properties within a temperature range of -25°C to 20°C;
• hysteresis meter manufactured by Laboratorio Elettrofisico Engineering (Italy):
  • for measuring permanent magnet properties within a temperature range of 20°C to approx. 200°C;
  • for measuring properties of soft magnetic composites for AC and DC applications with a frequency of up to 20 kHz within a temperature range of 20°C to 200°C and at liquid nitrogen temperature (-195.8°C);
• hysteresis meter for measuring permanent magnet properties at liquid nitrogen temperature (-195.8°C);
• measurement station for testing operating parameters of small-sized electrical machinery;
• Instron universal testing machine with 100 kN range for testing material mechanical properties (shear strength, bending strength and tensile strength) within a temperature range of -73°C to 315°C;
• Brinell hardness tester;
• station for electrical resistivity measurement;
• F.W. Bell Gauss meter for magnetic induction measurement with 2 T range for permanent and variable fields up to 10 kHz;
• Norma electronic fluxmeter for magnetic flux measurement;
• station for material thermal conductivity testing;

Software:

• Maxwell 15 and Opera 3D ver. 10.5 for 3D simulation and analysis of electromagnetic field distribution in electrical machinery and equipment and for the determination of their operating parameters.