Introduction to the plasticity and strength of 7075 aluminum plate
專欄:Industry information
發布日期:2013-09-04
閱讀量:404
作者:佚名
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One of the main elements of the 7075 aluminum plate is zinc, which can shorten the molding time of the aluminum plate. Adding magnesium to zinc-containing 3%-7.5% aluminum plate can incre..........

       One of the main elements of the 7075 aluminum plate is zinc, which can shorten the molding time of the aluminum plate. Adding magnesium to zinc-containing 3%-7.5% aluminum plate can increase its thermal conductivity. 7075 aluminum also has good wear resistance. Due to the addition of magnesium, the heat treatment effect of 7075 aluminum plate is better than that of aluminum-zinc. The aluminum plate is much better. If the content of zinc and magnesium in the aluminum plate is further increased, the tensile strength will be further improved, but in this case, the stress corrosion resistance and the peeling resistance of the aluminum plate are greatly reduced. After heat treatment, the aluminum sheet can also achieve high strength.

       The 7075 aluminum plate was used in the aircraft manufacturing industry in the late 1940s, and it is still an ultra-high-strength deformed aluminum plate widely used in the aviation industry. Its characteristic is that the effect of heat treatment strengthening is particularly good, and the high-strength aluminum plate with good plasticity after solution treatment.

       7075 aluminum plate is stress-relieved, its plasticity after solution treatment is good, heat treatment strengthening effect is particularly good, double-stage aging can improve the performance of anti-SCC, but there is a tendency of stress corrosion cracking. 7075 aluminum plate aviation series, is aluminum magnesium zinc copper aluminum plate, the main aluminum plate element of 7075 is zinc, the strength is very high, all the super large and thick 7075 aluminum plates are all ultrasonically detected.

       The main features of 7075 are high hardness, good mechanical properties and anodic reaction. 7075 aluminum plate is generally added with a small amount of copper, chrome and other aluminum plates. The 7075-T651 aluminum plate is especially top grade, which can guarantee no blisters and impurities. It is mainly used in the manufacture of aircraft structures and other high-stress structural members that require high strength and corrosion resistance, and is therefore commonly used in the manufacture of aircraft structures and futures. Such as the upper and lower wing panels, purlins, etc. Also widely used in mold processing, mechanical equipment, fixtures and so on.

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