Cu-P based amorphous brazing filler metal and method for manufacturing the same
A brazing filler metal and amorphous technology, applied in the field of amorphous brazing filler metal and copper and copper alloy brazing, can solve the problems of reducing joint strength and achieve the effect of narrow melting range and good toughness
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Embodiment 1
[0033] 1. Component formula:
[0034] The composition and content of the brazing filler metal are: P: 7.6%, Ni: 14.0%, Sn: 5.0%, Zr: 0.04%, Si: 0.2%, and the rest is Cu. The sum of the mass percentages of each component is 100 %.
[0035] 2. Preparation method:
[0036] 1. Formula: crush the raw materials of zirconium, copper, tin, nickel and copper-silicon, copper-phosphorus master alloy, and make the ratio;
[0037] 2. Loading: Put the above ingredients in the electric arc furnace, 5 copper crucibles in the electric arc furnace, put a piece of pure Ti sample in one of the crucibles, and put four kinds of the same formula or different formulas in the other four crucibles at the same time. Ingredients;
[0038] 3. Vacuuming: first vacuumize the furnace to 10 -2 Pa, after flushing the furnace with argon for 3-4 times, then evacuate to 10 -2 Pa, filled with argon to -0.06MPa;
[0039] 4. Deoxygenation: Melt a piece of pure Ti sample put into the crucible for 3-4 times to r...
Embodiment 2
[0048] 1. Component formula:
[0049] The composition and content of the brazing material are: P: 7.0%, Ni: 14%, Sn: 5.0%, Zr: 0.06%, Si: 0.2%, and the rest is Cu. The sum of the mass percentages of each component is 100 %.
[0050] Two, preparation method: same as embodiment 1 preparation method.
[0051] The melting temperature range of the prepared amorphous solder is 593-635° C., and the joint shear strength of the flame brazed red copper is 102 MPa.
Embodiment 3
[0053] 1. Component formula:
[0054] The components and contents of solder are: P: 8.0%, Ni: 14%, Sn: 5.0%, Zr: 0.02%, Si: 0.2%, and the rest is Cu. The sum of the mass percentages of each component is 100% %.
[0055] Two, preparation method: same as embodiment 1 preparation method.
[0056] The melting temperature range of the prepared amorphous solder is 590-634° C., and the joint shear strength of the flame brazed red copper is 92 MPa.
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