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

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left">Substructured grains</td><td class="align_center">Recrystallized grains</td><td class="align_center">Lengthened grains</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">70.83</td><td class="align_center">24.76</td><td class="align_center">4.41</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Fraction of three kinds of grains (%).</div>

International Journal of Photoenergy

tab3

Table 3

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