Continuous extrusion deformation method of magnesium alloy
A technology of extrusion deformation and magnesium alloy, which is applied in the field of continuous extrusion deformation of magnesium alloy, can solve the problems of affecting product quality, product quality decline, and many processes, so as to improve industrial production efficiency, high compressive strength, and high yield strength Effect
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[0031] Example 1, taking the extrusion deformation of cast AZ31 magnesium alloy as an example, in order to make the comprehensive mechanical properties of the AZ31 magnesium alloy extruded bar meet high standards, the magnesium alloy billet is heated to 400°C for 15 hours before extrusion Perform homogenization treatment. The homogenized AZ31 magnesium alloy billet with an average grain size of about 500μm is heated to 350°C, placed in an extrusion die heated to 330°C, and extruded on a horizontal extruder. Pressing, with an extrusion force of 10Mpa~20Mpa, and an extrusion speed of 3m / min, one by one in the sequence of positive extrusion, 90 degree variable channel angle extrusion, and 90 degree channel angle extrusion. Constant velocity unidirectional continuous extrusion. After the forward extrusion stage, the equal amount is divided into 4 streams. The extrusion ratio of the positive extrusion to 90 degrees of the angle of the variable channel is 16:1, and the extrusion ratio...
Example Embodiment
[0035] Example 2, taking the extrusion deformation of cast AZ31 magnesium alloy as an example, in order to make the comprehensive mechanical properties of the AZ31 magnesium alloy extruded bar meet high standards, the magnesium alloy billet is heated to 400°C for 15 hours before extrusion Perform homogenization treatment. The homogenized AZ31 magnesium alloy billet with an average grain size of about 500μm is heated to 400℃, placed in an extrusion die heated to 380℃, and extruded on a horizontal extruder. Pressing, using 15~18Mpa squeezing force, 2m / min squeezing speed, one by one in the sequence of positive extrusion, 90 degree variable channel angle extrusion, 90 degree channel angle extrusion Constant velocity unidirectional continuous extrusion. After the forward extrusion stage, the equal amount is divided into 4 streams. The extrusion ratio of the positive extrusion to 90 degrees of the angle of the variable channel is 16:1, and the extrusion ratio of the variable channel ...
Example Embodiment
[0036] Example 3, taking the extrusion deformation of cast AZ31 magnesium alloy as an example, in order to make the comprehensive mechanical properties of the AZ31 magnesium alloy extruded bar meet high standards, the magnesium alloy blank is heated to 400°C for 15 hours before extrusion After homogenization, the homogenized AZ31 magnesium alloy billet with an average grain size of about 500μm is heated to 450°C, placed in an extrusion die heated to 420°C, and extruded on a horizontal extruder. Pressing, with an extrusion force of 10Mpa~20Mpa, and an extrusion speed of 3m / min, one by one in the sequence of positive extrusion, 90 degree variable channel angle extrusion, and 90 degree channel angle extrusion. Constant velocity unidirectional continuous extrusion. After the forward extrusion stage, the equal amount is divided into 4 streams. The extrusion ratio of the positive extrusion to 90 degrees of the angle of the variable channel is 16:1, and the extrusion ratio of the varia...
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