"

Cookies ussage consent

Our site saves small pieces of text information (cookies) on your device in order to deliver better content and for statistical purposes. You can disable the usage of cookies by changing the settings of your browser. By browsing our site without changing the browser settings you grant us permission to store that information on your device.

I agree, do not show this message again.

Composition optimization of Al-Zn-Mg-Cu alloy via thermodynamic calculation

Y. LIU1, D. M. JIANG1, W. J. LI1

Affiliation

  1. School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001, China

Abstract

Phase fraction and solidification path of Al-Zn-Mg-Cu series aluminum alloy were calculated by thermodynamic calculation software Jmat-Pro．The variation of MgZn2 and A12CuMg phases and crystallization temperatures with Zn, Mg and Cu contents were studied in details. The thermodynamic calculation results indicated that, in the mass fraction ranges of Zn of 6.2-6.6%，Mg of 2.3%-2.5%，Cu of 1.9-2.1%，the content of MgZn2 phase can be up to more than 4.5% and that of Al2CuMg phase can be lower than 0.6% during the composition optimization of 7050 alloy..

Keywords

A1-Zn-Mg-Cu alloy, Thermodynamic calculation, Composition optimization.

Submitted at: July 13, 2015
Accepted at: Sept. 29, 2016

Citation

Y. LIU, D. M. JIANG, W. J. LI, Composition optimization of Al-Zn-Mg-Cu alloy via thermodynamic calculation, Journal of Optoelectronics and Advanced Materials Vol. 18, Iss. 9-10, pp. 868-872 (2016)