Investigation of the Effect of Axial Gap on the Mechanical Response of a Cartridge-Loaded CMDB Propellant Grain under Vibration Loads

Table 4

Experimental conditions from low to high strain rates of compression tests.

Test type	Low strain rate	Intermediate strain rate	High strain rate
Testing device	Universal testing machine	Hydraulic testing machine	Split Hopkinson pressure bar
Average loading speed/launch the pressure	2, 200 (mm/min)	20, 200 (mm/s)	0.03, 0.1(long) 0.12 (short) (MPa)
Engineering strain rate (s^-1)		1, 10	1000, 2200, 4000