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Technology and equipment for production of soft magnetic materials based on iron powder

Country of Origin: Belarus
Reference Number: TOBY20180411001
Publication Date: 13 April 2018

Summary

Belarus research institute offers new method and equipment for synthesis of metallic powder used to produce soft magnetic materials with better properties. The technology reduces production costs of soft magnetic materials in 1.5-2 times compared to existing methods. The institute seeks cooperation with industrial partners for license agreement, commercial agreement with technical assistance or joint venture agreement and R&D institutions for research cooperation agreement.

Description

Belarus scientific institute developed new method and equipment for synthesis of metallic powder, which is then used to produce soft magnetic materials with new properties. Produced materials can be used as replacement for electromagnetic steel.

In comparison to electromagnetic steel the soft magnetic materials have no eddy current losses at high frequencies due to electrical insulation of individual iron particles in the ferrite layer. The advantages for low frequency (50 Hz) applications are high linearity of magnetic characteristic and thermal stability. The manufacturing of parts using powder metallurgy means non-waste production and lower cost of finished products.

Typical applications of soft magnetic materials incl. electric motors, transformers, broadband electromagnetic screens, etc.

Specification of powder synthesis equipment:
* Particle size: 40-150 micrometers
* Average thickness of ferrite layer: 1-3 nanometers, compared to ca. 1 micrometer competitor
* Working temperature: 150-200 C, compared to ca. 1000 C competitor
* Productivity of single plant: 50 kg/h (scalable).

Parameters of offered soft magnetic materials based on iron powder:
* Magnetic saturation induction: up to 2.1 T, compared to 1.7 T competitor
* Working frequency: 100 Hz - 1 MHz, compared to 50-100Hz competitor
* Low electromagnetic losses.

Density of components manufactured by moulding powder under 0.5-0.6 GPa pressure is 7.3-7.5 g/cm3.

The institute seeks cooperation with industrial partners for license agreement, commercial agreement with technical assistance or joint venture agreement. R&D organisation interested in improving the technology and equipment for production of soft magnetic materials based on iron powder under research cooperation agreement.
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Advantages and Innovations

Working temperature in offered technology is 150-200 C, compared to ca. 1000 C used in existing methods to produce soft magnetic materials. This reduces the production costs of the materials in 1.5-2 times compared to existing methods. 

Main advantages of offered soft magnetic materials:
* Magnetic saturation induction: up to 2.1 T, compared to 1.7 T competitor
* Working frequency: 100 Hz - 1 MHz, compared to 50-100Hz competitor.

Stage Of Development

Available for demonstration

Requested partner

The institute wants to establish cooperation with industrial partner or R&D organisation.

Industrial partner interested in production of material or equipment for production of soft magnetic materials based on iron powder under license agreement.

Industrial partner interested in using the equipment for production of soft magnetic materials under commercial agreement with technical assistance.

Joint venture agreement
Type of partner sought: industrial partner
Field of partner's activity: production of material or equipment for production of soft magnetic materials based on iron powder.
Tasks to be performed: financing of joint venture activities, participation in enterprise management.

R&D organisation interested in improving the technology and equipment for production of soft magnetic materials based on iron powder under research cooperation agreement.

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