A Process for the Production of Ceramic Magnets

Type of Technology

Indigenous

Area of Technology

Material and Material Science

Brief Description

Produced through PM route using cheap raw materials, coercive force 1700-2000 Oe. Resonance 2-3.5 KG BH max 3-3.5 MGOe

Major raw materials

Iron oxide, Barium carbonate/strontium carbonate, Lead oxide

Major Plant Equipment/Machinery

Sintering furnace, automatic press, ball milling, magnetising and magnetic testing units.

Area of Application

Minerals, Metals and Materials

Applications

Its finds its use in telephones, magnets, microphone dynamics, toys etc.

Status of Specific Development

Laboratory scale of 1 kg. including component and testing in industry

Ecological/Environmental Impact

No significant environmental problem

Technology Transfer Assistance Offered

Includes

• Process know-how
• Details of the equipment
• Plant lay-out
• Quality assurance methods. Assistance in setting up the plant and separate terms

Additional Information

Techno-economically viable at 100 tpa

For further information please contact

Director
National Metallurgical Laboratory
Jamshedpur-831 007, India