Study on the Mechanical Properties of Metal Rubber Inner Core of O-Type Seal with Large Ring-to-Diameter Ratio

Table 1

Change of loss factor and energy dissipation with porosity.

Porosity (%)	Loss factor η	Energy dissipation
51.5	0.26442	0.05371
57.6	0.27501	0.06469
63.7	0.30210	0.06688
67.9	0.32120	0.06893