Aluminum alloy curtain wall is very popular because of its excellent properties.

SMM News: aluminum alloy has excellent surface properties and good plasticity, its surface can not only be made into a mirror effect comparable to that of a mirror, but also show rich and colorful colors and unique metal texture through anodizing and coloring process, and can also create complex curved surface effects. Due to the excellent characteristics of aluminum alloy, many architects and designers will choose to use aluminum alloy in the building curtain wall, giving the building a new vitality and artistic form. At present, more and more museums, theatres and art galleries around the world use aluminum alloy to make curtain walls.

The National Ocean Museum, located in the coastal tourist area of Zhongxin Ecological City in Tianjin, uses aluminum alloy hyperbolic curtain walls. The National Ocean Museum covers an area of more than 30,000 square meters and has a construction area of 80,000 square meters. The hyperboloid appearance of the building embodies the design elements of the ocean. The whole architectural design uses ingenious metaphors, both like a school of fish that is about to jump into the sea. And it looks like the body of a dragon rising and turning. Such a complex hyperboloid appearance must be achieved through the outer eave curtain wall. For this reason, the vast majority of the roof of the National Ocean Museum's outer eaves hyperbolic curtain wall uses vertical locking edge aluminum magnesium manganese metal plate as the main enclosure structure, covered with 3 mm thick diamond aluminum alloy plate as decorative board, the color is ivory white, the area is as much as 60,000 square meters, the overall distant view is like cascading, crisscross fish scales.

Aluminum alloy curtain wall is generally made of 5xxx series aluminum alloy plate, because 5xxx series aluminum alloy not only has medium strength, good corrosion resistance, but also excellent anodizing performance. Due to the large size of the building facade, it is necessary to use a large area of aluminum plate splicing during construction, which requires each aluminum plate to show a consistent color after anodizing, which requires a very high uniformity of aluminum plate structure.

At present, after nearly 2 years of joint research, Chinalco Henan Luoyang Aluminum processing Co., Ltd. and Chinalco material Application Research Institute Co., Ltd. have broken through the composition and technology of high surface anodized aluminum plate used in 5xxx building curtain wall. the products can meet the high requirements of building curtain wall and replace import.

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