A method to produce aluminum alloy tube busbars by continuous casting-expansion extrusion

The mechanism of the continuous casting-expansion extrusion technology (CCEET) was studied in this paper. Using an INSTRON electronic tensile machine, double direct current electric bridge and IAS4 imagine analysis facilities, the effects of the pouring temperature and height of welded chamber on the microstructures, mechanical properties and electrical conductivities of A6201 alloy tube were investigated. Experimental results show that a large diameter of electrical conductive tubes with high quality and infinite length can be produced through CCEET, and its integrated mechanical properties and electric conductivities are better than those of the traditional tube busbars before welding.