Figure 1. E′ and master curves of silicon rubber (a), butyl rubber (b), and nitrile rubber (c).
Figure 2. Sound speed of rubber compounds.
Figure 3. Acoustic impedance of rubber compounds.
Figure 4. Reflection coefficient of rubber compounds.
Figure 5. Tanδ of rubber compounds.
Figure 6. Attenuation constant of rubber compounds.
Figure 7. Reflection coefficient (a) and attenuation constant (b) of nitrile rubber with various sulfur content.
Figure 8. Reflection coefficient (a) and attenuation constant (b) of nitrile rubber with various carbon black content.
Figure 9. Reflection coefficient (a) and attenuation constant (b) of nitrile rubber with various process oil content.
Figure 10. A schematic diagram of water filled tank test apparatus.
Figure 11. Sound speed of nitrile rubber measured in water filled tank.
Figure 12. Reflection coefficient (a) and transmission coefficient (b) of nitrile rubber measured in water filled tank.
Table 1. The Recipe of Rubber Compounds
Table 2. Curing Condition of Rubber Compounds
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