Influence of Retrogression and Reaging Treatment on Microstructure and Microhardness of the 3A21/7075 Aluminum Alloy Cladding Material

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static-preview.hindawi.com/articles/ijp/volume-2021/6647271/figures/6647271.fig.007a.svgz" name="6647271.fig.007a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Strip phases</td></tr><tr class="fig-image" id="b"><td><object data="https://static-preview.hindawi.com/articles/ijp/volume-2021/6647271/figures/6647271.fig.007b.svgz" name="6647271.fig.007b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Fine granular phases</td></tr><tr class="fig-image" id="c"><td><object data="https://static-preview.hindawi.com/articles/ijp/volume-2021/6647271/figures/6647271.fig.007c.svgz" name="6647271.fig.007c" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(c) </b>Coarsened granular phases and HAADF</td></tr></table>

<div>TEM photos of the 7075 matrix.</div>

International Journal of Photoenergy

fig7

Figure 7

Figure 7: Influence of Retrogression and Reaging Treatment on Microstructure and Microhardness of the 3A21/7075 Aluminum Alloy Cladding Material 