A production process of single crystal conductive copper rod up-leading continuous casting method

Abstract

The invention discloses a production process of single crystal conductive copper rod up-drawing continuous casting method, comprising the following steps: putting electrolytic copper raw materials into a closed mixed molten material furnace for smelting, putting aluminum-antimony alloy powder into molten copper liquid, For europium oxide powder and beryllium aluminum alloy powder, the mixed gas of nitrogen and carbon monoxide is passed to the closed mixed molten material furnace through the ventilation inlet at the bottom of the closed mixed molten material furnace, and the mixed gas is discharged from the ventilated outlet at the top of the closed mixed molten material furnace; the molten mixture Transfer to the upward continuous casting molten material furnace, the molten mixture enters the upward continuous casting crystallizer through the siphon effect, and the crystallized conductive copper rod in the upward continuous casting crystallizer is drawn from the upward continuous casting crystallizer through the pulling device Lead out from the top of the device, and finally pack the finished conductive copper rods into rolls. Compared with the polycrystalline conductive copper rod produced and processed by the present invention, the elongation rate can be increased by 60% to 80%, and the resistivity can be reduced by 15% to 20%.

Description

technical field [0001] The invention relates to the technical field of copper processing technology, in particular to a production technology of single crystal conductive copper rod up-leading continuous casting method. Background technique [0002] Single crystal conductive copper is a new type of conductor material compared to polycrystalline conductive copper. Since the transverse grain boundary is canceled in the metal microstructure, the conductivity of conductive copper and the protection of signal transmission can be significantly improved. Authenticity; In terms of specific extensibility and conductivity, compared with polycrystalline conductive copper rods, single crystal conductive copper can increase the elongation by 60% to 80%, and the resistivity can be reduced by 15% to 20%, which can be widely used In audio-visual equipment, high-definition television and other electronic information-related fields. [0003] The production of single crystal conductive copper...

AI Technical Summary

Problems solved by technology

[0003] The production of single crystal conductive copper mainly adopts the method of combining directional solidification technology and continuous casting technology; in the prior art, single crystal conductive copper is mainly processed and produced by horizontal continuous casting technology, and the casting obtained by horizontal continuous The oxygen content in the slab is not easy to control, and the qualified rate of the slab produced is low; and the slab produced by the horizontal continuous casting process needs to be rolled to obtain the finished product