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- W2390691741 abstract "To determine the principal maximal stress-strain cycle of engine components is an important step in research on engine components' life. Elastic-plasticity finite element analysis is used frequently to calculate the maximal stress strain cycle, but the conditions such as various loads and restraints are not considered all-correctly, the stress strain cycle obtains is often too great. The instantaneous temperature field of some components is very important to fatigue strength and low cycle fatigue life, but it is very difficulty to measure the instantaneous temperature field accurately. Elastic-plasticity finite element analysis for a high pressure gas-turbine disk of an aero engine under fatigue test conditions. The residual stress was measured on high pressure disk, and calculated the maximal stress-strain cycle on dangerous location of the disk using the stable temperature field. The low cycle fatigue lives are predicted according to the maximal stress-strain cycles of elasticity-plasticity finite element analysis and the residual stress respectively. The result shows that predicting life by elasticity-plasticity finite element analysis is low and the maximal stress-strain cycle can be calculated accurately by the residual stress method." @default.
- W2390691741 created "2016-06-24" @default.
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- W2390691741 date "2004-01-01" @default.
- W2390691741 modified "2023-10-07" @default.
- W2390691741 title "LOW CYCLE FATIGUE LIFE OF AN AEROENGINE GAS TURBINE DISK" @default.
- W2390691741 hasPublicationYear "2004" @default.
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