Fatigue Life Data Fusion Method of Different Stress Ratios Based on Strain Energy Density
Changyin Wang,
Jianyao Yao,
Xu Zhang
et al.
Abstract:To accurately evaluate the probabilistic characteristics of the fatigue properties of materials with small sample data under different stress ratios, a data fusion method for torsional fatigue life under different stress ratios is proposed based on the energy method. A finite element numerical modeling method is used to calculate the fatigue strain energy density during fatigue damage. Torsional fatigue tests under different stresses and stress ratios are carried out to obtain a database for research. Based on… Show more
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