Low-cost high-plasticity soluble magnesium alloy material and preparation method thereof
A magnesium alloy, high plasticity technology, applied in the field of metal materials, can solve the problems of low corrosion rate, high production cost, poor plasticity, etc., and achieve the effect of low cost, fast dissolution, and good plasticity
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Embodiment 1
[0023] Example 1: Mg-3Al-1Zn-0.5Mn-0.1Ca-0.3Ni-0.1Si-0.15Sn alloy
[0024] Weigh the required alloy raw materials in proportion, add pure magnesium into the crucible to melt at 750 ° C, and pass through gas protection, sprinkle refining agent, add other metal raw materials after the pure magnesium is completely melted, stir and remove slag, and perform drawing casting, drawing The casting speed was 20 cm / min. Subsequently, the ingot was subjected to homogenization treatment, and the holding temperature was 350° C. for 48 hours. The homogenized ingot was processed into a cylinder for extrusion processing, the extrusion temperature was 320° C., the extrusion speed was 5 mm / s, and the extrusion ratio was 5. After extrusion, the rods are subjected to aging treatment at a temperature of 170°C for 48 hours.
[0025] The room temperature tensile strength of the Mg-3Al-1Zn-0.5Mn-0.1Ca-0.3Ni-0.1Si-0.15Sn alloy obtained by the above steps is 300MPa, the yield strength is 218MPa, and t...
Embodiment 2
[0026] Example 2: Mg-9Al-0.7Zn-0.3Mn-0.3Ca-0.2Ni-0.2Si alloy
[0027] Weigh the required alloy raw materials in proportion, add pure magnesium to the crucible to melt at 780 ° C, and pass through gas protection, sprinkle refining agent, add other metal raw materials after the pure magnesium is completely melted, stir and remove slag, and perform drawing casting, drawing The casting speed was 20 cm / min. Subsequently, the ingot was subjected to homogenization treatment, and the holding temperature was 400° C. for 40 hours. The homogenized ingot was processed into a cylinder for extrusion processing, the extrusion temperature was 340° C., the extrusion speed was 2 mm / s, and the extrusion ratio was 5. After extrusion, the rods are subjected to aging treatment at a temperature of 150°C for 36 hours.
[0028] The room temperature tensile strength of the Mg-9Al-0.7Zn-0.3Mn-0.3Ca-0.2Ni-0.2Si alloy obtained by the above steps is 306 MPa, the yield strength is 217 MPa, and the elongat...
Embodiment 3
[0029] Example 3: Mg-5Al-0.8Zn-0.25Mn-0.5Ca-0.1Ni-0.6Sn alloy
[0030] Weigh the required alloy raw materials in proportion, add pure magnesium into the crucible to melt at 800 ° C, and pass through the gas protection, sprinkle refining agent, after the pure magnesium is completely melted, add other metal raw materials, stir and remove slag, and perform drawing casting, drawing The casting speed was 15 cm / min. Subsequently, the ingot was subjected to homogenization treatment, the holding temperature was 350° C., and the time was 30 h. The homogenized ingot was processed into a cylinder for extrusion processing, the extrusion temperature was 380° C., the extrusion speed was 1 mm / s, and the extrusion ratio was 8. After extrusion, the rods are subjected to aging treatment at a temperature of 200°C for 30 hours.
[0031] The room temperature tensile strength of the Mg-5Al-0.8Zn-0.25Mn-0.5Ca-0.1Ni-0.6Sn alloy obtained by the above steps is 286 MPa, the yield strength is 184 MPa, ...
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