composite powder diffusion brazing
1998
The invention concerns a composite powder whereof each grain comprises a nickel superalloy core (21) coated with an autocatalytic nickel-boron deposit (22, 24) wherein are included metal silicide particles (20). Said powder can be used for repairing by diffusion-welding nickel superalloy aeronautical parts, the boron and silicon acting as fluxing materials.
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