Deformed magnesium alloy
A technology of wrought magnesium alloy and weight percentage, which is applied in the field of high-performance wrought magnesium alloy, can solve the problems of low mechanical properties of magnesium alloys, improve tensile strength and elongation, reduce undercooling, and refine grains. Effect
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Embodiment 1
[0023] Put 1168.8kg of magnesium ingot into the prepared clean crucible, add 18kg of RJ-2 base flux to melt, sprinkle 3.6kg of RJ-4 covering agent in the process to prevent burning, control the time within 4h, and control the final temperature of the magnesium liquid At 670°C; after melting, blow argon into the magnesium liquid, and use mechanical stirring, add 18kg of RJ-6 refining agent and 35.7kg of manganese chloride for refining at the same time, the time is controlled at 30min, and the temperature is controlled at 680°C; Refining After the completion, when the magnesium alloy liquid continues to heat up to 740°C, 14.4kg of rare earth element cerium and 1.2kg of metal element strontium are added, the time is controlled at 5min, and the temperature is controlled at 740°C; Controlled at 30min; finally under the temperature condition of 660℃, and in SF 6 +N 2 Pouring in a protective atmosphere.
[0024] Due to the process of static slag extraction of magnesium liquid and s...
Embodiment 2
[0026] Put 1165.2kg of magnesium ingot into the prepared clean crucible, add 24kg of RJ-2 base flux to melt, sprinkle 4.8kg of RJ-5 covering agent in the process to prevent burning, control the time at 5h, and control the final temperature of the magnesium liquid At 680°C; after melting, blow argon into the magnesium liquid, and use mechanical stirring, and add 24kg of RJ-5 refining agent and 49.5kg of manganese chloride for refining at the same time, the time is controlled at 30min, and the temperature is controlled at 710°C; Refining After the completion, when the magnesium alloy solution continues to heat up to 750°C, 9.6kg of rare earth element cerium and 3.6kg of metal element strontium are added, the time is controlled at 5min, and the temperature is controlled at 750°C; Controlled at 30min; finally under the temperature condition of 680℃, and in SO 2 Pouring in a protective atmosphere.
Embodiment 3
[0028] Put 1162.8kg of magnesium ingots into the prepared clean crucible, add 30kg of RJ-2 bottom flux to melt, sprinkle 6.0kg of RJ-6 covering agent in the process to prevent burning, control the time at 6h, and control the final temperature of the magnesium liquid At 690°C; after melting, blow argon into the magnesium liquid, and use mechanical stirring, add 30kg of RJ-4 refining agent and 63.2kg of manganese chloride for refining at the same time, the time is controlled at 30min, and the temperature is controlled at 740°C; Refining After the completion, when the magnesium alloy solution continues to heat up to 760°C, 3.6kg of rare earth element cerium and 6.0kg of metal element strontium are added, the time is controlled at 5min, and the temperature is controlled at 760°C; Controlled at 30min; finally under the temperature condition of 660℃, and in CO 2 Pouring in a protective atmosphere.
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