Table 2 Comparative analysis of evaluation indices for energy absorbing components.

From: Study on energy absorption characteristics of EFFC-filled thin-walled metallic square tube rigid-flexible coupled body

Name

Evaluation indices

ESA (kJ/kg)

Δ

Refs.

Pre-folded square tube

21.1

1.64

46

Corrugated tube expanding

14.8

1.26

44

Circular tube expanding

23.2

1.14

45

Foam concrete filled aluminum tube-700

12.94

–

8

Aluminum foam-filled multi-cell-d1

37.82

1.20

14

EFFC-filled thin-walled metallic square tube

24.2

1.09

–

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