Study on Damping Energy Dissipation Characteristics of Cylindrical Metal Rubber in Nonforming Direction

Table 6

Orthogonal test results of the loss factor index.

	Density	Amplitude	Frequency	Condition of molding	Loss factor
	A	B	C	D
1	1	1	1	1	0.3461
2	1	2	2	2	0.2979
3	1	3	3	3	0.2366
4	2	1	2	3	0.2669
5	2	2	3	1	0.2795
6	2	3	1	2	0.1999
7	3	1	3	2	0.2843
8	3	2	1	3	0.2476
9	3	3	2	1	0.2670
K1	0.8806	0.8973	0.7936	0.8926	B > D > A >C
K2	0.7463	0.8250	0.8318	0.7821
K3	0.7989	0.7035	0.8004	0.7511
Extreme difference	0.1343	0.1938	0.0382	0.1415
Rank	3	1	4	2