Fig. 10

Energy absorption efficiency-compressive stress curves for the porous Cu fabricated by using different sizes of space holder with content between 10–80%: (a) 1.7–2 mm, (b) 2–3 mm.

Energy absorption efficiency-compressive stress curves for the porous Cu fabricated by using different sizes of space holder with content between 10–80%: (a) 1.7–2 mm, (b) 2–3 mm.