昨天做了铝合金的TEM, 样品是1.7At%Cu-0.01At%Sn (solution treated for 30 minutes at 525°C, water quenched, then aged for 50h at 200°C).
附件里有一张general image,一张 bright field image和三张dark field image,其中有一张是precipitates的dark field image.
http://http://d.namipan.com/d/18106a49ef58cb699e5ff88e41f563a141b9f2bbbc861800