Table 5 Characteristics of two rubber materials.

From: Mechanical constitutive model of stand off damping composites layered rubber core under wide strain rates

Type

Hardness (HA)

Young’s Modulus (MPa)

Viscoelasticity coefficient (MPa·s)

Density (g/cm3)

Poisson’s ratio

FKM

77

1.88

5.58

1.9

0.499

SR

69

1.38

2.797

1.2

0.499

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