High strength aluminum copper alloy vehicle wheel material and liquid forging forming method
An aluminum-copper alloy and liquid die forging technology, applied in the direction of metal processing equipment, etc., can solve the problems of high tendency of thermal cracking, poor casting fluidity, no discovery, etc., to overcome poor fluidity, high density, and reduce tire bursting Effect
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[0030] Example 1:
[0031] A special aluminum-copper alloy material for liquid die forging of aluminum-copper alloy wheels for heavy-duty vehicles, the components and the weight percentages of the components are respectively:
[0032] Cu: 4.5%, Mn: 0.32%, Ti: 0.15%, V: 0.06%, Zr: 0.05%, B: 0.01%, Cd: 0.01%, Nd: 0.02%, Er: 0.01%, and the rest are Al.
[0033] A method for liquid die forging of aluminum-copper alloy wheels for heavy-duty vehicles, the production process steps are:
[0034] (1) Prepare aluminum-copper alloy materials, and prepare special aluminum-copper alloy materials according to the weight ratio of the above components;
[0035] (2) Melting of aluminum-copper alloy, melting the above-mentioned aluminum-copper alloy to 700-740℃;
[0036] (3) Quantitative liquid extraction: After refining treatment, adjust the temperature to 690-730 °C, and use a quantitative liquid extraction spoon to transfer the liquid. Quantitative pouring and dispensing spoon is an exist...
Example Embodiment
[0045] Example 2:
[0046] A special aluminum-copper alloy material for liquid die forging of aluminum-copper alloy wheels for heavy-duty vehicles, the components and the weight percentages of the components are respectively:
[0047] Cu: 4.9%, Mn: 0.37%, Ti: 0.23%, V: 0.16%, Zr: 0.12%, B: 0.015%, Cd: 0.05%, Nd: 0.1%, Er: 0.05%, and the rest are Al.
[0048] The preparation method is the same as that of Example 1.
Example Embodiment
[0049] Example 3:
[0050] A special aluminum-copper alloy material for liquid die forging of aluminum-copper alloy wheels for heavy-duty vehicles, the components and the weight percentages of the components are respectively:
[0051] Cu: 5.4%, Mn: 0.45%, Ti: 0.35%, V: 0.29%, Zr: 0.18%, B: 0.05%, Cd: 0.26%, Nd: 0.19%, Er: 0.09%, and the rest are Al.
[0052] The preparation method is the same as that of Example 1.
[0053] It should be emphasized that the liquid die forging aluminum-copper alloy wheel manufactured by the present invention has good comprehensive mechanical properties and high product qualification rate. Technical requirements for carrying vehicles. In particular, a small amount of rare earth element Er is added to this alloy formula, which further refines the structure of the aluminum-copper alloy material and improves the overall performance of the product. The addition of it effectively avoids the hot cracking phenomenon when the aluminum-copper alloy is s...
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