Novel 6XXX aluminum alloy plate strip for thin-strip continuous casting and preparation method of novel 6XXX aluminum alloy plate strip

Abstract

The invention relates to a thin-strip continuous casting novel 6XXX aluminum alloy plate strip and a preparation method thereof, the aluminum alloy comprises the following components in percentage by mass: 0.5-1.5% of Si, 0.1-2.0% of Mg, 0.1-1.0% of Fe, 0.05-0.5% of Mn, 0.02-0.2% of Cu, 0.01-0.08% of Ti, 0.001-0.008% of B, and the balance of Al and other inevitable impurities, the content of a single impurity is less than or equal to 0.05%, and the content of total impurities is less than or equal to 0.15%. Compared with an existing 6XXX aluminum alloy, the novel 6XXX aluminum alloy plate strip prepared through the double-roller thin-strip continuous casting technology has the advantages that the strength is improved by 10% or above, and the formability is improved by 20% or above; and compared with a steel plate for an automobile, the light weight of 30% or above can be easily achieved. The produced second-generation ABS aluminum alloy product is widely applied to the field of automobiles, can be used for parts such as automobile engine covering parts, fenders, automobile doors, automobile roofs and trunk lids, and provides a wide space for the automobile industry in the aspects of light weight, energy consumption reduction and fuel economy improvement.

Description

technical field [0001] The invention relates to the field of aluminum alloy preparation, in particular to a thin strip continuous casting novel 6XXX aluminum alloy strip and a preparation method thereof. Background technique [0002] The thin strip continuous casting technology is a cutting-edge technology in the field of metallurgy today. The twin-roll thin strip continuous casting technology was first proposed by Henry Bessemer in 1865 (US Patent: 49053). Thin strip continuous casting integrates continuous casting, rolling, and even heat treatment into one process, so that the produced thin strip can be rolled into an industrial product at one time, which greatly simplifies the production process of aluminum alloy and shortens the production cycle. , making the aluminum alloy production process more compact, more continuous, more efficient, and more environmentally friendly; at the same time, the production cost is significantly reduced, and the quality and performance of ...

AI Technical Summary

Problems solved by technology

However, these equipments are still unable to produce high-end 6XXX series aluminum alloy panel products for automobiles

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