Resilience of a rubber compound is a measurement of how elastic it is when exposed to various stresses. Measurement of a material’s resilience can assist engineers and scientists with choosing the right material for a given application.

Resilience is the ratio of energy released in deformation recovery to the energy that caused the deformation.  One test method is the Bayshore Resilience method. It calls for the dropping of a weighted ball from a specified height onto a given material sample. The rebound height of the ball is then measured and used to determine how resilient the material is to the stress.  The result is an indicator of hysteretic energy loss.  The percent rebound measured in the test is inversely proportional to hysteretic loss.

Another common method is Dynamic Mechanical Analysis (DMA) where stresses are applied to a given material and the strain in the sample is measured.  Temperature and frequency of the stress are additional variables that are commonly used to measure characteristics such as:

  • Glass transition temperature
  • Modulus
  • Compliance
  • Elasticity
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Common Test Protocols

ASTM D2632

Rubber Property, Resilience by Vertical Rebound

ASTM D7121

Rubber Property, Resilience Using Schob Type Rebound Pendulum

ASTM E1640

Assignment of the Glass Transition Temperature By Dynamic Mechanical Analysis

DIN 53512

Determination the rebound resilience of rubber