A Step-by-Step Equivalent Microprediction Method for the Mechanical Properties of Composite Solid Propellants considering Dewetting Damage

Table 2

PPR cohesion model parameters obtained by inversion optimization.

Characteristic parameters of PPR cohesion model	(N/mm)	(N/mm)	(MPa)	(MPa)
60°C	0.523	1.362	3.53	1.16	5.75	5.41	0.124	0.108
25°C	0.428	1.107	3.22	1.08	5.88	5.64	0.122	0.131
-30°C	0.284	0.954	2.94	0.87	5.76	5.38	0.125	0.145