Research Article

Effects of Electric Pulse Current on the Aging Kinetics of 2219 Aluminum Alloy

Figure 4

TEM images of 2219 aluminum alloy grain boundary precipitations in the peak aging state aged at 175°C. (a) Conventional aged for 18 h; (b) LEDPC added aged for 12 h.
240879.fig.004a
(a)
240879.fig.004b
(b)