Method for preparing magnesium alloy welding wires
A magnesium alloy and welding wire technology, applied in the field of magnesium alloy welding wire preparation, can solve the problems of multiple burrs on the surface, increased extrusion force, low production efficiency, etc., and achieve the effects of accurate size, smooth surface and simple equipment
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Embodiment 1
[0040] Determination of pass deformation degree
[0041] Magnesium alloys have poor plasticity, so the average pass deformation should not be too large, generally not more than 30%. The diameter of the thick wire billet for the drawing test is 4.0mm, and the designed product is 0.6mm. According to this condition, the calculation to determine the deformation degree of the pass can be carried out.
[0042] 1) Total compression ratio
[0043] Q = ( 1 - d j 2 d q 2 ) × 100 %
[0044] = ( 1 - 0.6 2 4.0 2 ...
Embodiment 2
[0092] The calculation process is the same as in Example 1
[0093] First pass: by pulled to
[0094] Will The thick wire blank of the extruded AZ31 magnesium alloy wire rod was annealed at 300°C for 45 minutes, then sharpened, and drawn to
[0095] The second pass: by pulled to
[0096] Will The wire blank is annealed at 300°C for 45 minutes, then sharpened, drawn to
[0097] The third pass: by pulled to
[0098] Will The wire blank is annealed at 300°C for 45 minutes, then sharpened, drawn to
[0099] The fourth pass: by pulled to
[0100] Will The wire blank is annealed at 300°C for 45 minutes, then sharpened, drawn to
[0101] The fifth pass: by pulled to
[0102] Will The wire blank is annealed at 300°C for 45 minutes, then sharpened, drawn to
[0103] The sixth pass: by pulled to
[0104] Will The wire blank is annealed at 300°C for 45 minutes, then sharpened, drawn to
[0105] Seventh pass: by pulled to
[01...
Embodiment 3
[0123] The calculation process is the same as in Example 1
[0124] First pass: by pulled to
[0125] Will The thick wire blank of the extruded AZ31 magnesium alloy wire rod was annealed at 350°C for 45 minutes, then sharpened, and drawn to
[0126] The second pass: by pulled to
[0127] Will The wire billet is annealed at 350°C for 45 minutes, then sharpened, drawn to
[0128] The third pass: by pulled to
[0129] Will The wire billet is annealed at 350°C for 45 minutes, then sharpened, drawn to
[0130] The fourth pass: by pulled to
[0131] Will The wire billet is annealed at 350°C for 45 minutes, then sharpened, drawn to
[0132] The fifth pass: by pulled to
[0133] Will The wire billet is annealed at 350°C for 45 minutes, then sharpened, drawn to
[0134] The sixth pass: by pulled to
[0135] Will The wire billet is annealed at 350°C for 45 minutes, then sharpened, drawn to
[0136] Seventh pass: by pulled to
...
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Abstract
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