Magnesium-zinc-manganese-tin-yttrium alloy and preparation method of same
An alloy and impurity technology, applied in the field of magnesium alloy and its preparation, can solve the problems of limited use range and low elongation after fracture, and achieve the effects of improving comprehensive mechanical properties, inhibiting grain growth, and refining grains
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[0044] Example 1
[0045] The method for preparing magnesium-zinc-manganese-tin-yttrium alloy in this embodiment includes the following steps:
[0046] 1) Melting: First select the raw materials according to the formula of Example 1 in Table 1. The raw materials are industrial pure magnesium, industrial pure zinc, industrial pure tin, Mg-30% Y master alloy and Mg-5% Mn master alloy; Smelt in a vacuum induction furnace filled with argon. When all is melted, stir for 2-5 minutes to make the composition uniform; finally close the induction furnace, take out the crucible and cool it with water.
[0047] 2) Machining: Turning to remove the oxide layer on the surface of the alloy obtained in step 1), and make the size of the processed magnesium alloy suitable for extrusion machining;
[0048] 3) Homogenization treatment: the alloy obtained in step 2) is heated with the furnace to 420°C, and kept at this temperature for 12 hours for homogenization annealing, where the heating time is 390 min...
Example Embodiment
[0050] Example 2
[0051] The difference between this embodiment and Embodiment 1 is that the ratio of the selected raw materials in this embodiment is the same as the formula of Embodiment 2 in Table 1.
Example Embodiment
[0052] Example 3
[0053] The difference between this embodiment and Embodiment 1 lies in that the ratio of raw materials selected in this embodiment is the same as the formula of Embodiment 3 in Table 1.
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