Cellular Energy Absorbing TRIP-Steel/Mg-PSZ Composite: Honeycomb Structures Fabricated by a New Extrusion Powder Technology

Table 2

Specific energy absorption (SEA) of the honeycomb samples at 20% and 50% compression strain.

Sample	Strain (%)	SEA (kJ kg^-1)	SEA (MJ m^-3)
0 Z	20	13.4	39.7
2.5 Z	20	14.3	43.1
5 Z	20	14.1	37.5
10 Z	20	15.0	40.4
0 Z	50	55.8	165.5
2.5 Z	50	56.3	169.9
5 Z	50	47.3	125.7
10 Z	50	43.2	116.7
0 Z*	20	12.1	32.2
0 Z*	50	53.1	143.1

*Pure TRIP-steel condition tested by Biermann et al. [19], based on coarse steel powder (d₅₀≈ 45 𝜇m).