@article {182644,
	title = {Effect of heat treatment Hardness of Al-Cu-Mg-Li-Zr , Al-Mg-Si  and Al-Mg-Zn alloys- Experimental Correlation Using Factorial DOE and ANOVA Methods},
	journal = {Advanced Materials Research Journal (AMR) at www.scientific.net {\textcopyright} (2015) Trans Tech Publications},
	volume = {881-883 },
	year = {2014},
	pages = {1317-1329},
	author = {Mahmoud M. Tash and Saleh A. Alkahtani}
}
