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HOT EXTRUSION OF ALUMINUM CHIPS

机译:热挤压铝芯片

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摘要

The process of hot extrusion is a promising approach for the direct recycling of aluminum machining chips to aluminum profiles. The presented technology is capable of saving energy, as remelting of aluminum chips can be avoided. Depending on the deformation route and process parameters, the chip-based aluminum extrudates showed mechanical properties comparable or superior to cast aluminum billets extruded under the same conditions. Using different metal flow schemes utilizing different extrusion dies the mechanical properties of the profiles extruded from chips can be improved. The energy absorption capacity of the profiles the rectangular hollow profiles extruded from chips and as-cast billets were analyzed using the drop hammer test set-up. The formability of the profiles extruded from chips and as-cast material were compared using tube bending tests in a three-roller-bending machine.
机译:热挤出过程是一种有希望的方法,用于直接回收铝加工芯片到铝型材。由于可以避免铝芯的重熔,所示的技术能够节省能量。取决于变形路线和工艺参数,基于芯片的铝挤出物显示出在相同条件下挤出的铸造铝坯料的机械性能。利用不同挤出的不同金属流量方案,可以提高从芯片挤出的曲线的机械性能。通过滴锤试验设置分析从芯片和铸坯挤出的矩形空心曲线的曲线的能量吸收能力。使用三辊弯曲机中的管弯曲试验进行比较从芯片和铸造材料中挤出的曲线的可成形性。

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