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Superalloys 2008 (Eleventh International Symposium)
The creep deformation behaviour of a high pressure (cooled) turbine blade section is modelled using the finite element method. Realistic estimates of the thermal and mechanical loading expected during service are employed; properties for the single crystal superalloy CMSX-4 are assumed. The constitutive model accounts for both a 2 < 110 > tertiary creep in the γ matrix and a < 211 > shearing of the γ ′ phase. The results indicate that the load in the web decreases during service due to creepdoi:10.7449/2008/superalloys_2008_911_919 fatcat:j44yiywy4bfe5i3haiyhjr6h4y