A Copper Base Brazing Alloy Containing Low Percentage of Silver

Type of Technology

Indigenous

Area of Technology

Material and Material Science

Brief Description

Conventional brazing alloys contain about 70% silver and 20% copper. This NML developed alloy contains 35% silver and 65% copper with minor addition of other elements.

Major raw materials

Copper and Silver

Major Plant Equipment/Machinery

• Pot type electrical furnace for melting, muffle furnace for heat-treatmnt
• Rolling mill

Area of Application

Minerals, Metals and Materials

Applications

Used for joining electrical and electronic components

Status of Specific Development

Process standardised at 5kg/day

Technology Transfer Assistance Offered

Includes

• Process know-how
• Details of the equipment
• Plant lay-out
• Quality assurance methods. Assistance can be provided at the time of production or trails on separate terms and conditions.

Additional Information

Techno-economically viable at 100 tpa

For further information please contact

Director
National Metallurgical Laboratory
Jamshedpur-831 007, India