Flaky composite brazing filler metal, preparation method and application thereof and method for welding blades by adopting flaky composite brazing filler metal
A composite solder and flake technology, applied in the direction of welding medium, welding equipment, welding/cutting medium/material, etc., can solve the problem of product processing stability and quality impact, poor consistency of blade cladding volume, and affect welding cladding quality and other problems, to achieve the effect of high consistency in size and shape, improved quality, and consistent composition
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Embodiment 1
[0040] A preparation method of sheet-like composite brazing filler metal, specifically comprising the following steps:
[0041] 1. Material preparation
[0042] 1) Preparation of tungsten carbide: prepare powdered cast tungsten carbide, and dry it for 1 hour at a temperature of 60°C in a vacuum drying box under a vacuum of 6Pa atmosphere;
[0043] 2) Preparation of brazing filler metal: B-Ti57CuZrNi-S powder with a melting temperature of 910-920 ℃ is used as the brazing filler metal, and it is dried in a vacuum drying box at a vacuum degree of 6Pa for 1 hour at a temperature of 60 ℃;
[0044] 3) Preparation of adhesive: use a mixture of xylene, acetone and butyl acetate to dilute polybutyl methacrylate to dissolve polybutyl methacrylate to make a special adhesive.
[0045] Calculated by mass percentage, xylene accounts for 40%, acetone accounts for 30%, and butyl acetate accounts for 30%.
[0046] 2. Material mixing:
[0047] Calculated according to the mass percentage, fir...
Embodiment 2
[0053] A preparation method of sheet-like composite brazing filler metal, specifically comprising the following steps:
[0054] 1. Material preparation
[0055]1) Preparation of tungsten carbide: prepare powdered cast tungsten carbide, and dry it in a vacuum drying box at a vacuum of 6Pa at a temperature of 60°C for 1 hour;
[0056] 2) Preparation of brazing filler metal: B-Ti57CuZrNi-S powder is used for brazing filler metal, which is dried for 1 hour at a temperature of 60°C in a vacuum drying box under a vacuum of 6Pa atmosphere;
[0057] 3) Preparation of adhesive: use a mixture of xylene, acetone and butyl acetate to dilute polybutyl methacrylate to dissolve polybutyl methacrylate to make a special adhesive.
[0058] Calculated by mass percentage, xylene accounts for 40%, acetone accounts for 30%, and butyl acetate accounts for 30%.
[0059] 2. Material mixing:
[0060] Calculated according to the mass percentage, first take 50% tungsten carbide and 50% solder into the...
Embodiment 3
[0066] like figure 1 As shown, a preparation method of sheet-like composite brazing filler metal specifically includes the following steps:
[0067] 1. Material preparation
[0068] 1) Preparation of tungsten carbide: prepare powdered cast tungsten carbide, and dry it for 1 hour at a temperature of 60°C in a vacuum drying box under a vacuum of 6Pa atmosphere;
[0069] 2) Preparation of brazing filler metal: B-Ti57CuZrNi-S powder is used for brazing filler metal, which is dried for 1 hour at a temperature of 60°C in a vacuum drying box under a vacuum of 6Pa atmosphere;
[0070] 3) Preparation of adhesive: use a mixture of xylene, acetone and butyl acetate to dilute polybutyl methacrylate to dissolve polybutyl methacrylate to make a special adhesive.
[0071] Calculated by mass percentage, xylene accounts for 40%, acetone accounts for 30%, and butyl acetate accounts for 30%.
[0072] 2. Material mixing:
[0073] Calculated according to the mass percentage, first take 55% tun...
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