A Copper Base Brazing Alloy Containing Low Percentage of Silver

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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