Evaluation of Compression Performance of APM Aluminum Foam-Polymer Filled Pipes Prepared via Different Epoxy Resin Bonding Processes

Table 4

Specific energy absorption of each specimen.

Specimen number	Thin-walled pipes, J (g/cm^3)	Epoxy-bonding APM foam filled pipes, J (g/cm^3)	Epoxy foam-bonding APM composite pipes, J (g/cm^3)
1#	85.09	2501.25	2666.26
2#	78.16	2527.01	2557.58
3#	66.33	2376.29	2648.21
4#	67.06	2443.64	2571.25
5#	69.71	2445.19	2554.29
SAEaverage	73.27	2458.43	2600.22

Note. Specific energy absorption = AE/density.