“…Aluminum foam is a new metal material. Because of its low density, high specific strength, sound absorption, energy absorption, and other performance, it has a wide range of applications in machinery, construction, transportation, electronics, and even aerospace [ 1 , 2 , 3 , 4 , 5 ]. An Aluminum foam sandwich (AFS) is a new composite material, which consists of dense panels on both sides and an aluminum foam core layer in the middle, forming the so-called “sandwich” structure.…”