Computed Dependence of Rubber's Haigh Diagram on Strain Crystallization

摘要

This work explores the consequences of strain crystallization on rubber's fatigue crack nucleation behavior over an extensive space of operating conditions, including tension and compression loading states, and relaxing and nonrelaxing cycles. Haigh diagrams for several hypothetical materials, which differ in their crystallization and associated fatigue crack growth behavior, are computed and compared for the case of simple tension/compression. The calculations demonstrate the feasibility of using a fatigue crack growth characterization to efficiently compute the Haigh diagram.