A kind of lightweight aluminum-lithium alloy material and production method thereof
A technology of aluminum-lithium alloy and production method, applied in the field of light-weight aluminum-lithium alloy material and its production, to achieve the effects of high specific strength and specific stiffness, low density and high strength
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Embodiment 1
[0024] Embodiment 1, the preparation of aluminum-lithium alloy material of the present invention
[0025] Batching smelting: The mass ratio of the prepared metal raw materials is lithium 4wt%, copper: 3wt%, tin: 0.1wt%, zinc: 1.5wt%, lead: 0.05wt%, unavoidable impurities are less than or equal to 0.2wt%, and the remaining The amount is the ratio of aluminum into the melting furnace, the temperature of the melting furnace is 750 ° C, and the time is 2 hours.
[0026] Detection: Spectroscopic analysis is used to detect the smelted alloy liquid to ensure that its composition is within the range.
[0027] Casting cold billet: adopt continuous casting method, use computer to control AC motor, realize micro-pitch reverse push process, produce large roll and heavy strip billet, mill the skin defects of strip billet through double-sided milling and milling unit, and pass through cold rolling mill , cut into rough round ingots with a diameter of 20-50mm and a length of 3-4 meters.
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Embodiment 2
[0034] Embodiment 2, the preparation of aluminum-lithium alloy material of the present invention
[0035] Batching smelting: The mass ratio of the prepared metal raw materials is lithium 5wt%, copper: 1.5wt%, tin: 0.4wt%, zinc: 1wt%, lead: 0.05wt%, unavoidable impurities are less than or equal to 0.2wt%, and the remaining The ratio of the amount of aluminum is put into the smelting furnace, the temperature of the smelting furnace is 800° C., and the time is 1.5 hours.
[0036] Detection: Spectroscopic analysis is used to detect the smelted alloy liquid to ensure that its composition is within the range.
[0037] Casting cold billet: adopt continuous casting method, use computer to control AC motor, realize micro-pitch reverse push process, produce large roll and heavy strip billet, mill the skin defects of strip billet through double-sided milling and milling unit, and pass through cold rolling mill , cut into rough round ingots with a diameter of 20-50mm and a length of 3-4 ...
Embodiment 3
[0044] Embodiment 3, the preparation of aluminum-lithium alloy material of the present invention
[0045] Batch smelting: The mass ratio of the prepared metal raw materials is lithium 4.5wt%, copper: 2.5wt%, tin: 0.3wt%, zinc: 0.8wt%, lead: 0.75wt%, unavoidable impurities are less than or equal to 0.2wt% , the balance is the proportion of aluminum and put it into the melting furnace, the temperature of the melting furnace is 750 ℃, and the time is 1.5 hours.
[0046] Detection: Spectroscopic analysis is used to detect the smelted alloy liquid to ensure that its composition is within the range.
[0047] Casting cold billet: adopt continuous casting method, use computer to control AC motor, realize micro-pitch reverse push process, produce large roll and heavy strip billet, mill the skin defects of strip billet through double-sided milling and milling unit, and pass through cold rolling mill , cut into rough round ingots with a diameter of 20-50mm and a length of 3-4 meters.
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