Abstract
The three-point bending fatigue test of Cu32W68 alloy, a kind of pseudo alloy composed of tungsten and copper prepared by sintering and infiltration method, was carried out at ambient temperature. The characteristic curve of fatigue damage and quantitative tracking of Cu32W68 alloy under cyclic loading were measured. The results show that the fatigue damage process of Cu32W68 alloy under three-point bending test can be divided into three stages of linear variation EF, FG, GH based on the changing of materials’ damage parameter D, which occupy the 49%, 32% and 19% of the fatigue life, respectively.
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