Novel 4Al3 aluminum alloy used for vacuum soldering
An aluminum alloy and vacuum technology, applied in welding medium, welding equipment, metal processing equipment, etc., can solve problems such as high brazing temperature and unsatisfactory brazing quality, improve quality, simplify vacuum brazing process, and enhance flow sexual effect
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Embodiment 1
[0006] Embodiment 1: A new type of 4A13 aluminum alloy for vacuum brazing, which contains the following materials with a total weight of 100 parts: 9 parts of silicon (Si), 0.1 part of copper (Cu), 0.2 part of manganese (Mn), magnesium (Mg) 0.08 parts, zinc (Zn) 0.1 parts, other impurities and trace elements 0.075 parts, and the rest aluminum (Al).
Embodiment 2
[0007] Embodiment 2: A new type of 4A13 aluminum alloy for vacuum brazing, which contains the following materials with a total weight of 100 parts: 8.21 parts of silicon (Si), 0.3 parts of iron (Fe), 0.1 parts of manganese (Mn), magnesium (Mg) 0.2 parts, titanium (Ti) 0.15 parts, and the rest aluminum (Al).
Embodiment 3
[0008] Embodiment 3: A new type of 4A13 aluminum alloy for vacuum brazing, which contains the following materials with a total weight of 100 parts: 8.6 parts of silicon (Si), 0.6 parts of iron (Fe), 0.2 parts of copper (Cu), magnesium (Mg) 0.14 parts, zinc (Zn) 0.2 parts, titanium (Ti) 0.075 parts, other impurities and trace elements 0.15 parts, and the rest aluminum (Al).
[0009] The processing process of a new type of aluminum alloy 4A13 for vacuum brazing of the present invention comprises the following steps: first melting, putting the aluminum ingot into the melting furnace and fully stirring after the aluminum ingot is completely melted; when the temperature of the molten aluminum reaches 760°C to After 780°C, add Si, Fe, Cu, Mn, Zn, Ti into the melting furnace sequentially according to the requirements of parts by weight for melting, then add Mg into the melting furnace for further melting, after testing the components to pass the converter refining, and finally casting...
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