Exothermic braze precursor material
AssigneeGeneral Electric Company
InventorsVoramon Supatarawanich Dheeradhada, Raghavendra Rao Adharapurapu, Juan Borja, Don Mark Lipkin
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Abstract
A method of furnace-less brazing of a substrate is provided. The method includes providing a substrate having a brazing region thereon; disposing braze precursor material containing a nickel powder, an aluminum powder, and a platinum group metal powder on the brazing region; and initiating an exothermic reaction of the braze precursor material such that the exothermic reaction produces a braze material that reaches a braze temperature above the liquidus temperature for the braze material. A braze precursor material is also provided.
Claims16
A braze precursor material comprising:
- a first powder containing aluminum;
- a second powder containing a platinum-group metal;
- and
- the braze precursor material containing at least 18 atomic percentage of nickel,
- wherein the braze precursor material is capable of propagating and sustaining an exothermic reaction to produce a solidified braze material.
Dependencies are inferred from the claim text.