Title

Analysis of the process of AA-6201 feedstock using continuous casting and extrusion

RIS ID

17063

Publication Details

Zhou, T., Jiang, Z., Wen, J., Xie, H. and Tieu, A. K. (2007). Analysis of the process of AA-6201 feedstock using continuous casting and extrusion. Key Engineering Materials, 340-341 713-718.

Abstract

Effects of the extrusion ratio, on-line solution temperature and cooling speed on the microstructures, mechanical properties and conductivity of AA-6201 feedstock have been investigated. Experimental results show that the size of the grain of the feedstock grows slowly with an increase of on-line solution temperature, the size of strengthening phase becomes smaller and the density becomes bigger with an increase of extrusion ratio. The tensile strength of AA-6201 feedstock after T-6 treated increases with an increase of extrusion ratio, on-line cooling speed, and with a decrease of solution temperature, and the conductivity is a little penalty. Under the conditions of the extrusion ratio 16.5, on-line solution temperature 793.15K and ageing temperature 423.15K, the tensile strength, elongation and conductivity are 324 MPa, 10.1 % and 53.0% IACS respectively. A feedstock with high quality can be produced by a method of continuous casting and extrusion.

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