Experimental Research on the Repeated Impacts Behavior of Aluminum Corrugated-Core Sandwich Structures

Table 3

Impact parameters of aluminum corrugated core sandwich.

Impact location	Energy (J)	Number of failure	Failure mode	Maximum peak force (kN)	Number of maximum peak force
Long span	10	19	Crack	10.4	12
	20	7	Debonding and global buckling	11.05	5
	40	2	Penetration	8.89	1
Short span	10	>60	Pseudo-shakedown	10.2	22
	20	7	Crack	10	4
	40	1	Crack	8.9	1