FORGING METHOD FOR HIGH-SILVER ALUMINUM ALLOY AND HIGH-SILVER ALUMINUM ALLOY FORGED PART
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United States of America Patent
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Issued Date -
Jun 1, 2023
app pub date -
Nov 30, 2022
filing date -
Nov 30, 2021
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Abstract
Disclosed is a forging method for a high-silver aluminum alloy and a high-silver aluminum alloy forged part are provided. The forging method comprises the following steps: heating the high-silver aluminum alloy to 440° C. to 500° C., and holding for 8 to 16 hours to obtain a blank; preheating a contact portion of a forging anvil, a tong or a die with the blank to 300° C. to 480° C., and holding in the process of transferring the blank to a press; carrying out six-upsetting six-stretching multidirectional forging deformation on the blank, thus obtaining a forging blank, wherein the final forging temperature is 360° C. to 400° C.; and carrying out forming forging treatment on the forging blank, and then carrying out solid solution treatment, residual stress elimination and artificial aging treatment in sequence.
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