Al-Mg-Sc series solder wire
A technology of al-mg-sc and welding wire, which is applied in the direction of welding medium, welding equipment, welding/cutting medium/material, etc., can solve the problems of lack of compatibility of base metal properties, unengineerable welding, high alloy strength, etc., to achieve The comprehensive mechanical properties of the joint are good, the high-frequency fatigue limit is improved, and the crack resistance of the welded joint is good
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Embodiment 1
[0025] Its main chemical composition (wt%) is: magnesium (Mg) 5, manganese (Mn) 0.7, zirconium (Zr) 0.1, scandium (Sc) 0.75, titanium (Ti) 0.1, sodium (Na) + potassium (K) ≤ 15ppm, hydrogen (H) ≤ 0.4ppm, aluminum (Al) balance.
[0026] preparation:
[0027] (1) Preparation of raw materials The matrix element aluminum (Al) is added in the form of pure aluminum (Al), and the alloying elements magnesium (Mg), manganese (Mn), scandium (Sc), zirconium (Zr), and titanium (Ti) are all added in the form of aluminum (Al ) is added in the form of a master alloy, prepared by weight percentage;
[0028](2) Alloy smelting Using an induction heating electric furnace, the alloy is smelted under the condition of vacuum argon protection, and cast into a φ100mm alloy ingot;
[0029] (3) Processing and forming: After peeling and cutting the alloy ingot, it is annealed at 450 ° C, single extruded, and then annealed and drawn into φ1.6mm continuous disc-shaped welding wire and φ2.0mm×1000mm stra...
Embodiment 2
[0032] Its main chemical composition (wt%) is: magnesium (Mg) 6, manganese (Mn) 0.7, zirconium (Zr) 0.05, scandium (Sc) 0.5, titanium (Ti) 0.05, sodium (Na) + potassium (K) ≤ 15ppm, hydrogen (H) ≤ 0.4ppm, aluminum (Al) balance.
[0033] preparation:
[0034] (1) Preparation of raw materials The matrix element aluminum (Al) is added in the form of pure aluminum (Al), and the alloying elements magnesium (Mg), manganese (Mn), scandium (Sc), zirconium (Zr), and titanium (Ti) are all added in the form of aluminum (Al ) is added in the form of a master alloy, prepared by weight percentage;
[0035] (2) Alloy smelting Using an induction heating electric furnace, the alloy is smelted under the condition of vacuum argon protection, and cast into a φ100mm alloy ingot;
[0036] (3) Processing and forming: After peeling and cutting the alloy ingot, it is annealed at 450 ° C, single extruded, and then annealed and drawn into φ1.6mm continuous disc-shaped welding wire and φ2.0mm×1000mm st...
Embodiment 3
[0039] Its main chemical composition (wt%) is: magnesium (Mg) 7, manganese (Mn) 0.6, zirconium (Zr) 0.25, scandium (Sc) 0.4, titanium (Ti) 0, sodium (Na) + potassium (K) ≤ 15ppm, hydrogen (H) ≤ 0.4ppm, aluminum (Al) balance.
[0040] preparation:
[0041] (1) Preparation of raw materials The matrix element aluminum (Al) is added in the form of pure aluminum (Al), and the alloying elements magnesium (Mg), manganese (Mn), scandium (Sc), zirconium (Zr), and titanium (Ti) are all added in the form of aluminum (Al ) is added in the form of a master alloy, prepared by weight percentage;
[0042] (2) Alloy smelting Using an induction heating electric furnace, the alloy is smelted under the condition of vacuum argon protection, and cast into a φ100mm alloy ingot;
[0043] (3) Processing and forming: After peeling and cutting the alloy ingot, it is annealed at 450 ° C, single extruded, and then annealed and drawn into φ1.6mm continuous disc-shaped welding wire and φ2.0mm×1000mm strai...
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