Preforms for brazing

China Patent

APP PUB NO CN-106413943-A
SERIAL NO

201480073745

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Abstract

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The inventors of the present invention has unexpectedly found a solution to the above mentioned problem and provided a method for producing brazing preforms including the steps of providing an iron-, iron and chromium-, nickel- or cobalt- based spherical brazing powder. Converting the brazing powder into an agglomerated coarser powder suitable to be compacted into desired preforms and ejecting the preforms from the compaction die, the preforms having integrity and strength enough to let them be handled in an automated brazing line. Optionally, after ejecting from the compaction die, the preforms may be heat treated or subjecting to a sintering process if higher strength is desired. The present invention also provides the preform per se and a brazing process utilizing the brazing preform.

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Patent Owner(s)

Patent OwnerAddress
HOGANAS AB (PUBL)Not Provided

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Inventor(s)

Inventor Name Address
KNUTSSON PER -
SZABO CHRISTOPHE -

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