High-drooping-resistance high-strength composite aluminum foil core material alloy and preparation method thereof
A technology of composite aluminum foil and aluminum alloy plate, which is applied in metal processing equipment, welding equipment, manufacturing tools, etc., can solve the problem that it is difficult to obtain thick and long recrystallized grains, and achieve easy realization, corrosion inhibition, and simple method easy effect
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Embodiment 1
[0023] First, use 1290 grams of industrial pure aluminum ingot, 16 grams of aluminum-iron alloy, 256 grams of aluminum-manganese alloy, 23 grams of aluminum-copper alloy, 2 grams of instant silicon and 5 grams of Cr agent for melting; the melting temperature is 720 ° C, and the master alloy is melted and stirred for 2 Minutes, keep warm for 30 minutes and carry out refining and purification treatment, then add instant silicon and aluminum foil wrapped chromium agent after heating up to 780°C, cool down to 720°C after melting, clean the aluminum slag on the surface of the aluminum liquid; pour 250°C after holding for 30 minutes In the preheated plate mold, after it cools down, it is casted into a 20mm thick aluminum alloy plate; sampling is carried out, and the weight percentage content of each alloy element of the aluminum alloy plate is analyzed by direct reading spectrum: iron 0.21%, silicon 0.15%, 1.57% manganese, 0.69% copper, 0.19% chromium, and the rest is aluminum; final...
Embodiment 2
[0026] First, use 1300 grams of industrial pure aluminum ingot, 18 grams of aluminum-iron alloy, 260 grams of aluminum-manganese alloy, 25 grams of aluminum-copper alloy, 3 grams of instant silicon and 1.5 grams of Cr agent for melting; the melting temperature is 720 ° C, and the intermediate alloy is melted and stirred for 2 Minutes, keep warm for 30 minutes and carry out refining and purification treatment, then add instant silicon and aluminum foil wrapped chromium agent after heating up to 780°C, cool down to 720°C after melting, clean the aluminum slag on the surface of the aluminum liquid; pour 250°C after holding for 30 minutes In the preheated plate mold, after it cools down, it is casted into a 20mm thick aluminum alloy plate; sampling is carried out, and the weight percentage content of each alloy element of the aluminum alloy plate is analyzed by direct reading spectrum: iron 0.23%, silicon 0.21%, 1.59% manganese, 0.61% copper, 0.07% chromium, and the rest is aluminu...
Embodiment 3
[0029] First, 1290 grams of industrial pure aluminum ingot, 15 grams of aluminum-iron alloy, 240 grams of aluminum-manganese alloy, 20 grams of aluminum-copper alloy, 3 grams of instant silicon and 2.5 grams of Cr agent were used for melting; the melting temperature was 720 ° C, and the master alloy was melted and stirred for 2 Minutes, keep warm for 30 minutes and carry out refining and purification treatment, then heat up to 780°C, add instant silicon and chrome agent wrapped in aluminum foil, cool down to 720°C after melting, clean the aluminum slag on the surface of the aluminum liquid; pour 250°C after holding for 30 minutes In the preheated plate mold, after it cools down, it is casted into a 20mm thick aluminum alloy plate; sampling is carried out, and the weight percentage content of each alloy element of the aluminum alloy plate is analyzed by direct reading spectrum: iron 0.19%, silicon 0.18%, 1.42% manganese, 0.57% copper, 0.11% chromium, and the rest is aluminum; fi...
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