Effect of the Fracture Toughness of Materials (<i>K_c</i>) on Fatigue Crack Propagation Rate

Abstract

In this paper, the fracture toughness of materials, , effects on fatigue crack propagation that can be quantified using the dynamical coefficient mechanics (DCM) model. And we can not only change the material with high value, but also should take other methods into consideration to decrease the fatigue crack growth (FCG) rate when replacing material can’t obviously decrease the FCG rate, which were examined objectively by the test results from literature.

Dynamic Behavior of a Simple Rolling Seismic Isolator with a Position Restoring Device

“…Studies on fatigue, fracture, and reliability have been conducted by analytical and experimental methods, and were performed by Castaldo P., Ghidelli,M.,etc. [12,[25][26][27][28].…”