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US 2017/0304959 A1Published application
Braze materials and earth-boring tools comprising braze materials
AssigneeBaker Hughes Incorporated
InventorsWei Chen, Marc W. Bird, John H. Stevens
Life of this patent
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Abstract
A method includes disposing a braze material adjacent a first body and a second body; heating the braze material and forming a transient liquid phase; and transforming the transient liquid phase to a solid phase and forming a bond between the first body and the second body. The braze material includes copper, silver, zinc, magnesium, and at least one material selected from the group consisting of nickel, tin, cobalt, iron, phosphorous, indium, lead, antimony, cadmium, and bismuth.
Claims20
A braze material comprising:
- copper;
- silver;
- from about 25% to about 35% zinc by weight;
- magnesium;
- and
- at least one material selected from the group consisting of nickel, tin, cobalt, iron, phosphorous, indium, lead, antimony, cadmium, and bismuth.
3 more elements
A braze material comprising:
- copper;
- silver;
- at least one element selected from the group consisting of nickel and titanium;
- and
- at least one element selected from the group consisting of indium, tin, zinc and magnesium.
2 more elements
An earth-boring tool, comprising:
- a first body,
- a second body;
- and
- a braze material bonding the second body to the first body, the braze material comprising:
- copper;
- silver;
- at least one element selected from the group consisting of nickel and titanium;
- and
- at least one element selected from the group consisting of indium, tin, zinc and magnesium.
6 more elements
Dependencies are inferred from the claim text.