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- W2393066111 abstract "The fatigue life follows log-normal distribution and the standard deviation of logarithmic life increases with reducing elasticity and plasticity strain.The P-e-N curves of turbine disk material GH4133 in temperature of 250℃ was obtained by the integral estimation method based on heteroscedastic regression analysis of the low cycle fatigue(LCF) test data.The reliability analysis of LCF life for a turbine disk was completed by these P-e-N curves.The fatigue life with confidence of 0.95 and reliability of 0.998 7 was 1 866 cycles,and it was converted into 683 hours of flight,which fitted well with the technical life based on real turbine disks fatigue test estimation.The precision of the P-e-N curve obtained by the integral estimation was good enough.The fatigue reliability design and analysis of turbine disks based on P-e-N curves was simple in computation and could save the cost of fatigue tests." @default.
- W2393066111 created "2016-06-24" @default.
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- W2393066111 date "2009-01-01" @default.
- W2393066111 modified "2023-09-26" @default.
- W2393066111 title "Estimation of LCF life for a turbine disk based on P-ε-N curves" @default.
- W2393066111 hasPublicationYear "2009" @default.
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