设计制备了高比强泡沫铝合金中空层合圆管,测出了圆管的压缩应力-应变(σ-ε)曲线并研究了其性能.圆管与泡沫铝合金的压缩σ-ε曲线相似,但有较小波动;圆管的弹性模量与面板的弹性模量成线性关系,线性系数为η+α(0.5η2+0.3η)(1-η);泡沫铝合金中空层合圆管的紧实应变(εD)可用泡沫铝合金的εD表示.由σ-ε曲线计算出圆管的能量吸收性能,发现其吸能能力(W)大约比铝合金面板和泡沫铝合金的吸收能量之和高60%,吸能效率(E)高于60%.泡沫铝合金中空层合圆管具有轻质(ρ＜1)特性,但是其压缩比强度σ/ρ和压缩比刚度E/ρ是泡沫铝合金相应参数的3倍.
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