Studies on Al–Mg solid solutions using electrical resistivity and microhardness measurements A. Gaber, N. Afify, S. M. El-Halawany and A. Mossad Eur. Phys. J. AP, 7 2 (1999) 103-109 Published online: 15 August 1999 DOI: 10.1051/epjap:1999204