Nanocrystalline 6061 Al Powder Fabricated by Cryogenic Milling and Consolidated via High Frequency Induction Heat Sintering

Table 1

Chemical composition (wt.%) of the starting and cryomilled powders.

Chemical analysis	Al 6061 as received	Al 6061 after cryomilling
Zn	0.06	0.03
Ti	0.01	0.02
Si	0.52	0.53
Mg	1.03	0.9
Mn	0.03	0.03
Fe	0.27	0.5
Cu	0.25	0.23
Cr	0.09	0.08
C	0.96	1.4
N	—	1.38
O	2.61	2.8
Other each	<0.05	<0.05
Other total	<0.15	<0.15
Al	Balance	Balance