Dominance distributions for fatigue performance of materials and its
application in material selection
- Xin Bai,
- Peng Zhang,
- Enna Yang,
- Qiqiang Duan,
- Hao Bo,
- Zhefeng Zhang
Peng Zhang
Institute of Metal Research Chinese Academy of Sciences
Author ProfileAbstract
A new method for the comparison of fatigue performance among different
materials is proposed by using Monte-Carlo technology. The uncertainty
of material's fatigue property and the diversity of service loads are
respectively described as a reliability index and a probability
distribution. Using fatigue life as the standard measure of fatigue
performance, two kinds of diagrams are developed as the dominance
distributions for fatigue performance of materials. After the
implication in the material selection from two casting alloys, the
results show that the new method can evaluate the fatigue performance
among different materials no matter withsanding constant or variable
amplitude loading, which is very easy to guide the judgment whether the
material has better fatigue performance or not.