Braze alloy mix for application in a method for brazing a component, additive alloy, brazing method, and component
The invention relates to a braze alloy mix for application in a method for brazing a component that has a nickel-based superalloy as base material, wherein the braze alloy mix comprises the following powders in a predetermined mixing ratio: a powder of a first braze alloy, a powder of a second braze alloy, a powder of a third braze alloy, and a powder of an additive alloy.
1. A braze alloy mix for application in a method for brazing a component that has a nickel-based superalloy as base material, wherein
the braze alloy mix comprises the following powder in a predetermined mixing ratio: a powder of a first braze alloy, a powder of a second braze alloy, a powder of a third braze alloy, and a powder of an additive alloy, wherein
an alloy composition of the first braze alloy comprises the following in mass percent:
between 5.00% and 15.00% cobalt;
between 8.00% and 16.00% chromium;
between 1.00% and 4.50% aluminum;
between 0.00% and 4.50% tantalum;
between 0.00% and 10.0% germanium;
between 1.00% and 3.00% boron;
between 0.00% and 4.00% hafnium;
and
nickel as well as unavoidable impurities as the remainder;
an alloy composition of the second braze alloy comprises the following in mass percent:
between 15.00% and 25.00% chromium;
between 8.50% and 13.00% titanium;
between 0.00% and 5.00% niobium; and
cobalt as well as unavoidable impurities as the remainder;
an alloy composition of the third braze alloy comprises the following in mass percent:
between 0.00% and 10.00% cobalt;
between 18.00% and 30.00% chromium;
between 10,00% and 14.50% titanium;
between 0.00% and 1.80% niobium; and
nickel as well as unavoidable impurities as the remainder;
an alloy composition of the additive alloy comprises the following in mass percent:
between 0.00% and 10.00% cobalt;
between 10.00% and 18.00% chromium;
between 4.00% and 7,00% aluminum;
between 4.00% and 7.00% tantalum;
between 0.00% and 3.00% molybdenum;
between 5.00% and 14.00% tungsten;
between 0.00% and 0.60% yttrium;
between 0.00% and 2.00% hafnium; and
nickel as well as unavoidable impurities as the remainder.
2. The braze alloy mix according to claim 1 , wherein the alloy composition of the first braze alloy comprises the following in mass percent:
between 0.00% and 0.05% yttrium.
3. The braze alloy mix according to claim 1 , wherein the alloy composition of the second braze alloy (BFM2) comprises the following in mass percent:
between 0.00% and 3.00% aluminum.
4. The braze alloy mix according to claim 1 , wherein the alloy composition of the second braze alloy comprises the following in mass percent:
between 0.00% and 7.00% tungsten.
5. The braze alloy mix according to claim 1 , wherein the alloy composition of the third braze alloy (BFM3) comprises the following in mass percent:
between 0.00% and 3.00% aluminum.
6. The braze alloy mix according to claim 1 , wherein the alloy composition of the third braze alloy comprises the following in mass percent:
between 0.00% and 5.70% tungsten.
7. The braze alloy mix according to claim 1 , wherein the predetermined mixing ratio of the powders of the braze alloy mix comprises the following in mass percent:
15% first braze alloy;
25% second braze alloy;
25% third braze alloy; and
35% additive alloy.
8. The braze alloy mix according to claim 1 wherein the predetermined mixing ratio of the powders of the braze alloy mix comprises the following in mass percent:
25% first braze alloy;
12.5% second braze alloy;
12.5% third braze alloy; and
50% additive alloy.
9. The braze alloy mix according to claim 1 , wherein the predetermined mixing ratio of the powders of the braze alloy mix comprises the following in mass percent:
50% first braze alloy;
10% second braze alloy;
10% third braze alloy; and
30% additive alloy.
10. The braze alloy mix according to claim 1 , wherein the predetermined mixing ratio of the powders of the braze alloy mix comprises the following in mass percent:
30% first braze alloy;
10% second braze alloy;
20% third braze alloy; and
40% additive alloy.
11. The braze alloy mix according to claim 1 , wherein the predetermined mixing ratio of the powders of the braze alloy mix comprises the following in mass percent:
30% first braze alloy;
20% second braze alloy;
10% third braze alloy; and
40% additive alloy.
12. The braze alloy mix according to claim 1 , wherein the predetermined mixing ratio of the powders of the braze alloy mix comprises the following in mass percent:
50% first braze alloy;
10% second braze alloy;
10% third braze alloy; and
30% additive alloy.