Study on the preparation and processing technology of 6063 alloy recycled aluminum profiles with high Fe content
6063 aluminum alloy is a high-performance and widely-used material with im-portant application value in multiple fields such as transportation,construction and electron-ics due to its excellent processing performance,corrosion resistance and decorative proper-ties.However,with increasing in the proportion of recycled aluminum added,the adverse effects of harmful elements represented by Fe on the performance of the aluminum profiles are also increasing.To ensure the material performance,the type and proportion of recycled alu-minum added need to be strictly controlled.In order to further increase the proportion of scrap aluminum added,the composition of recycled 6063 aluminium alloy was designed through simulation calculation based on the existing material composition standards.In addi-tion to the control of the Fe element content by centrifugation during the purification process of the melt,key parameters such as homogenization,extrusion,solutionizing and aging were optimized,by which the negative effects caused by Fe can be effectively suppressed.On this basis,the recycled 6063 aluminum alloy used for the car front bumper can simultaneously meet the requirements of mechanics and carbon emission.
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