Palladium-containing high-temperature nickel-base multicomponent alloy brazing materials
A brazing material and alloy technology, applied in welding/cutting medium/material, welding medium, welding equipment, etc., can solve the problem of poor high temperature oxidation resistance and corrosion resistance of manganese-based brazing material, reduced brazing seam strength, reliable It can achieve the effect of good alloying, improving fluidity and improving mechanical properties
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Embodiment 1
[0013] According to the nominal composition of the alloy, the ingot is smelted into an ingot by a conventional intermediate frequency induction furnace. The weight percentage of the alloy is: Pd: 21%, Au: 25%, Fe: 16.2%, Co: 2.3%, W: 0.6%, and the balance is Nickel and unavoidable impurities, the prepared alloy is processed into a sheet with a thickness of 0.12mm, and the ruthenium alloy and superalloy are brazed by conventional methods, which have good wettability on the base metal and a spreading area of 505mm 2 , The maximum filling gap of the brazing material is 0.25mm, and the weld seam has a tensile strength of 167MPa at a high temperature of 1100°C.
Embodiment 2
[0015] According to the nominal composition of the alloy, the ingot is smelted into an ingot by a conventional intermediate frequency induction furnace. The weight percentage of the alloy is: Pd: 30%, Au: 20%, Fe: 10.5%, Co: 4.5%, W: 1.3%, and the balance is Nickel and unavoidable impurities, the prepared alloy is processed into a sheet with a thickness of 0.10mm, and the iridium alloy and superalloy are brazed by conventional methods, which have good wettability on the base metal and a spreading area of 530mm 2 , The maximum filling gap of the brazing material is 0.25mm, and the weld seam has a tensile strength of 202MPa at a high temperature of 1100°C.
Embodiment 3
[0017] According to the nominal composition of the alloy, the ingot is smelted into an ingot by a conventional intermediate frequency induction furnace. The weight percentage of the alloy is: Pd: 30%, Au: 15%, Fe: 12.5%, Co: 3.5%, W: 2%, and the balance is Nickel and unavoidable impurities, the prepared alloy is processed into a wire with a diameter of 0.5mm, and the ruthenium alloy and superalloy are brazed by conventional methods, which have good wettability on the base metal and a spreading area of 565mm 2 , The maximum filling gap of the brazing material is 0.25mm, and the weld seam has a tensile strength of 190MPa at a high temperature of 1100°C.
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