Grain boundary segregation and precipitation in an Al-Zn-Mg-Cu alloy Huan Zhao, Baptiste Gault, Frédéric De Geuser, Dirk Ponge and Dierk Raabe MATEC Web Conf., 326 (2020) 01004 Published online: 05 November 2020 DOI: 10.1051/matecconf/202032601004