Jackson, Melvin Robert; Ferrigno, Stephen Joseph; Budinger, David Edwin;

Repair alloy compositions

A Ni-base alloy composition comprises of Zr, B, and Si. Zr and B are coupled to each other to form ZrB.sub.2, the B and Zr suppress melting points of the Ni-base alloy composition. Further, a Ni-base alloy composition also comprises Cr, Ti, and Ni, where the Ti and Cr suppress melting points.

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We claim:

1. A nickel-base alloy composition consisting essentially of:

chromium;

titanium;

boron and silicon, wherein at least one of boron and silicon are provided in amounts that provide wettability and capillary flow for the nickel-base alloy composition, when the nickel-base alloy composition is in a liquid form, wherein boron is in a range from about 0.5 to about 5.0, and silicon is in a range from about 0.5 to about 3.0; and

a balance of nickel,

where the titanium and chromium suppress melting points of the nickel-base alloy composition.

2. A nickel-base alloy composition consisting essentially of:

chromium;

titanium;

at least one strengthener selected from the group consisting of:

aluminum, tungsten, molybdenum, rhenium, tantalum, and niobium, wherein aluminum is in a range of about 4.0-15.0 atomic percent; tungsten is in a range up to about 3.0 atomic percent; molybdenum is in a range up to about 3.0 atomic percent; rhenium is in a range in a range of about 0.2 to about 1.5 atomic percent; tantalum is in a range in a range up to about 3.0 atomic percent and niobium in a range of about 0.2 to about 2.5 atomic percent; and

a balance of nickel,

where the titanium and chromium suppress melting points of the nickel-base alloy composition.

3. A nickel-base alloy composition consisting essentially of:

chromium;

titanium in a range of about 8.0 to about 28.0 atomic percent;

a balance of nickel,

where the titanium and chromium suppress melting points of the nickel-base alloy composition.

4. A nickel-base alloy composition consisting essentially of:

chromium;

titanium; and

a balance of nickel;

wherein the chromium is provided in a range of about 18.0 to about 37.0, and the titanium is provided in a range of about 8.0 to about 28.0 atomic percent and the titanium and chromium suppress melting points of the nickel-base alloy composition.

5. A composition according to claim 1, the composition comprises a nickel-base alloy powder composition.