Aviation aluminum alloy pre-stretching plate and production method thereof
A production method and pre-stretching technology, applied in the field of aluminum alloy pre-stretched sheet and its production, can solve the problems such as the yield rate of aluminum alloy sheet deformation processing
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specific Embodiment approach 1
[0004] Embodiment 1: In this embodiment, the aluminum alloy pre-stretched sheet for aviation is composed of 0.20 parts of Si, 0.30 parts of Fe, 1.7 parts of Cu, 0.40 parts of Mn, 0.18 parts of Cr, and 0.06 parts by weight. Ti, 2.3 parts of Mg, 6.0 parts of Zn and the rest of Al, totaling 100 parts.
specific Embodiment approach 2
[0005] Specific embodiment two: the production method of aviation aluminum alloy pre-stretched plate in this embodiment is realized through the following steps: 1. According to the ratio of parts by weight, 0.20 parts of Si, 0.30 parts of Fe, 1.7 parts of Cu, 0.40 parts of Mn, 0.18 parts of Cr, 0.06 parts of Ti, 2.3 parts of Mg, 6.0 parts of Zn and the rest of Al are fully mixed, making a total of 100 parts; 2. Conditions of mixing the mixed metals at 700-750°C Smelting under high temperature for 5-12 hours, then casting the smelted metal at a temperature of 690-705°C and a casting speed of 55-60mm / min, and casting the metal into an ingot with a cross-sectional size of 300×1200mm; 3. Soak the ingot at a temperature of 450-460°C for 40-42 hours, and then plan, saw and mill the soaked ingot in a conventional way according to actual needs; 4. At 370-410 Under the temperature of ℃, according to the actual needs, hot-roll the wool thickness of the ingot and cut the length of the wo...
specific Embodiment approach 3
[0006] Embodiment 3: The difference between this embodiment and Embodiment 2 is that in step 2, the mixed metals are smelted at 710-740° C. for 6-10 hours. Other steps are the same as in the second embodiment.
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