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Magnesium alloy forging and preparation process thereof
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A kind of preparation process, technology of magnesium alloy
Inactive Publication Date: 2020-01-07
冯波
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[0003] The purpose of the present invention is to provide a magnesium alloy forging, which solves the problem of low strength of the existing magnesium alloy forging
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preparation example Construction
[0019] The preparation process of the magnesium alloy forgings includes the following steps:
[0020] Step 1: Weigh 21-25% molybdenum, 16-20% iron, 3-7% palladium, 0.2-0.3% manganese, 0.2-0.4% nickel, 0.1-0.4% tungsten, and magnesium as the balance according to mass percentages. The sum of the mass percentages of the components is 100%;
[0022] Step 3: Move the magnetic boat in step 2 into a baking furnace, smelt at 3100-3500°C for 2 to 4 hours under the protection of nitrogen, and then cool to room temperature to obtain an alloy body blank;
[0023] Step 4: The alloy body blank obtained in step 3 is formed and forged at a temperature of 2050-2250°C to obtain a forging.
[0024] Through the above method, the magnesium alloy forgings of the pres...
Embodiment 1
[0026] Weigh 21% of molybdenum, 16% of iron, 3% of palladium, 0.2% of manganese, 0.2% of nickel, 0.1% of tungsten, and the balance of magnesium according to mass percentages. The total mass percentage of the above components is 100%; Molybdenum powder, iron powder, palladium powder, manganese powder, nickel powder, tungsten powder and magnesium powder are placed in a ball milling tank for 2 hours and then put into the magnetic boat; the magnetic boat is moved into the roasting furnace, smelted at 3100℃ for 2 hours under nitrogen protection, and then cooled At room temperature, an alloy body blank is obtained; the alloy body blank is formed and forged at a temperature of 2050° C. to obtain a forging.
Embodiment 2
[0028] Weigh 22% molybdenum, 17% iron, 4% palladium, 0.25% manganese, 0.2% nickel, 0.2% tungsten, and magnesium according to mass percentages. The total mass percentage of the above components is 100%; Molybdenum powder, iron powder, palladium powder, manganese powder, nickel powder, tungsten powder and magnesium powder are placed in the ball milling tank for 3 hours and then put into the magnetic boat; the magnetic boat is moved into the roasting furnace, smelted at 3200℃ for 3 hours under nitrogen protection, and then cooled At room temperature, an alloy body blank is obtained; the alloy body blank is formed and forged at a temperature of 2100° C. to obtain a forging.
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Technical field [0001] The invention belongs to the technical field of magnesium alloyprocessing, and specifically relates to a magnesium alloy forging. The invention also relates to a preparation process of the magnesium alloy forging. Background technique [0002] Magnesium alloys are alloys based on magnesium and other elements. Its characteristic is: low density (1.8g / cm 3 Magnesium alloy or so), high strength, large elastic modulus, good heat dissipation, good shock absorption, greater impactload capacity than aluminum alloy, and good resistance to organics and alkali corrosion. The specific gravity of magnesium alloy is the lightest among all structural alloys. Therefore, without reducing the strength of the parts, the weight of aluminum or iron parts can be reduced. The specific strength of magnesium alloy is significantly higher than that of aluminum alloy and steel, and the specific stiffness is equivalent to that of aluminum alloy and steel. Since magnesium alloy fo...
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