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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Example Embodiment
[0004] Specific embodiment 1: The aluminum alloy pre-stretched sheet for aviation in this embodiment 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. It is made of Ti, 2.3 parts of Mg, 6.0 parts of Zn and the balance of Al, totaling 100 parts.
Example Embodiment
[0005] Specific embodiment 2: The production method of the aluminum alloy pre-stretched sheet for aviation in this embodiment is realized by the following steps: 1. According to the weight parts ratio, 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 balance of Al are fully mixed to a total of 100 parts; 2. The condition that the mixed metal is at 700~750℃ Smelt for 5-12 hours, then cast the molten metal at a temperature of 690-705°C and a casting speed of 55-60mm / min, and cast the metal into an ingot with a cross-sectional size of 300×1200mm; 3. Soak the ingots for 40 to 42 hours at a temperature of 450-460℃, and then plan the soaked ingots with conventional methods according to actual needs, sawing and milling; 4. At 370-410 At a temperature of ℃, hot-roll the thickness of the ingot and cut the length of the wool according to the actual needs; 5. Quench the straightened wool at 46...
Example Embodiment
[0006] Specific embodiment three: This embodiment is different from the specific embodiment two in that in step two, the mixed metal is smelted at 710-740°C for 6-10 hours. The other steps are the same as in the second embodiment.
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