Niobium-boron binary alloy brazing material
A technology of binary alloy and brazing material, which is applied in the field of alloy brazing material, can solve the problems of high price and high production cost, and achieve the effects of low cost, low steam pressure and strong seam filling ability
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Embodiment 1
[0014] The niobium-boron binary alloy brazing filler metal of the present embodiment is made up of the raw material of following weight percentage: Boron 1.5%, the balance is niobium and unavoidable impurity, and the weight percentage content of Zn, Cd and Pb element is all different in the described impurity More than 0.001%; the melting temperature of the brazing material is 1600°C-1780°C, and the brazing material is in powder form.
[0015] The preparation method of the niobium-boron binary alloy brazing filler metal of the present embodiment is: according to 1.5 (wt)% B, the balance is Nb batching, adopts electric arc furnace to melt into alloy ingot, then alloy ingot is prepared into amorphous foil Then the amorphous foil is ground in a high-energy ball mill, and finally sieved and pickled to obtain niobium-boron binary alloy brazing powder.
[0016] The niobium-boron binary alloy brazing filler metal of this embodiment is carried out the welding process test of brazing...
Embodiment 2
[0018] The niobium-boron binary alloy brazing filler metal of the present embodiment is made up of the raw material of following weight percent: boron 3.5%, surplus is niobium and unavoidable impurity, and the weight percent content of Zn, Cd and Pb element is all different in the described impurity Greater than 0.001%; the melting temperature of the brazing material is 1600°C-1730°C, and the brazing material is in powder form.
[0019] The preparation method of the niobium-boron binary alloy brazing filler metal of the present embodiment is: according to 3.5 (wt)% B, the balance is Nb batching, adopts electric arc furnace to melt into alloy ingot, then the alloy ingot is prepared into amorphous foil Then the amorphous foil is ground in a high-energy ball mill, and finally sieved and pickled to obtain niobium-boron binary alloy brazing powder.
[0020] The niobium-boron binary alloy brazing filler metal of this embodiment is carried out the welding process test of brazing fi...
Embodiment 3
[0022] The niobium-boron binary alloy brazing filler metal of the present embodiment is made up of the raw material of following weight percentage: boron 5.5%, the balance is niobium and unavoidable impurity, and the weight percentage content of Zn, Cd and Pb element is all different in the described impurity Greater than 0.001%; the melting temperature of the brazing material is 1600°C-1800°C, and the brazing material is in powder form.
[0023] The preparation method of the niobium-boron binary alloy brazing filler metal of this embodiment is: according to 5.5 (wt)% B, the balance is Nb batching, adopts electric arc furnace to melt into alloy ingot, then alloy ingot is prepared into amorphous foil Then the amorphous foil is ground in a high-energy ball mill, and finally sieved and pickled to obtain niobium-boron binary alloy brazing powder.
[0024] The niobium-boron binary alloy brazing filler metal of this embodiment is carried out the welding process test of brazing fil...
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