Method for preparing dual special structure combined reinforced Mg-Zn-Y alloy
A technology of composite reinforcement and special structure, which is applied in the preparation of double special structure phase composite reinforced magnesium alloy, high-strength magnesium alloy material and preparation field, can solve the problem of hindering dislocation movement deformation twin crystal expansion, coarse size, difficult to coarsen, etc. question
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Embodiment 1
[0012] This implementation example is a high-strength Mg-Zn-Y alloy, which is 10wt% of the total amount of Zn and Y, and the atomic mass ratio of Zn and Y is 0.5, wherein Zn is added with industrial Zn, and Y is added with Mg-25wt.% Y master alloy is added, and Mg is industrial pure magnesium.
[0013] The concrete preparation method of this embodiment is:
[0014] In the first step, the crucible was heated to 720°C, industrial pure Mg was added into the crucible and CO 2 +0.5vol%SF 6 Mixed gas for protection; after the pure magnesium is completely melted, add Zn, Mg-25wt.%Y master alloy. The way of adding Mg-25wt.%Y master alloy is to use an iron bell jar to press into the alloy melt, and slightly swim around to prevent the segregation of rare earth, so that the rare earth can be quickly and evenly diffused into the melt. After the pure Zn is pressed into the bottom of the alloy melt with a bell jar, the bell jar can be taken out; after the intermediate alloy and pure Zn a...
Embodiment 2
[0017] This implementation example is a high-strength Mg-Zn-Y alloy, which is 10wt% of the total amount of Zn and Y, and the atomic mass ratio of Zn and Y is 1, wherein Zn is added with industrial Zn, and Y is Mg-25wt.% Y master alloy is added, and Mg is industrial pure magnesium.
[0018] The concrete preparation method of this embodiment is:
[0019] In the first step, the crucible was heated to 720°C, industrial pure Mg was added into the crucible and CO 2 +0.5vol%SF 6 Mixed gas for protection; after the pure magnesium is completely melted, add Zn, Mg-25wt.%Y master alloy. The way of adding Mg-25wt.%Y master alloy is to use an iron bell jar to press into the alloy melt, and slightly swim around to prevent the segregation of rare earth, so that the rare earth can be quickly and evenly diffused into the melt. After the pure Zn is pressed into the bottom of the alloy melt with a bell jar, the bell jar can be taken out; after the intermediate alloy and pure Zn are completely...
Embodiment 3
[0023] This implementation example is a high-strength Mg-Zn-Y alloy, its composition is Zn, the total amount of Y is 10wt%, the atomic mass ratio of Zn and Y is 0.5, wherein Zn is added with industrial Zn, and Y is added with Mg-25wt.% Y master alloy is added, and Mg is industrial pure magnesium.
[0024] The concrete preparation method of this embodiment is:
[0025] In the first step, the crucible was heated to 720°C, industrial pure Mg was added into the crucible and CO 2 +0.5vol%SF 6 Mixed gas for protection; after the pure magnesium is completely melted, add Zn, Mg-25wt.%Y master alloy, Mg-25wt.%Y master alloy is added by pressing into the alloy melt with an iron bell jar, and slightly Swimming around to prevent the segregation of rare earths, so that the rare earths can quickly and evenly diffuse into the melt. After the pure Zn is pressed into the bottom of the alloy melt with a bell jar, the bell jar can be taken out; after the intermediate alloy and pure Zn are com...
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