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Variation of (a) creep rupture life with net applied stress (b) creep rupture life with notch acuity ratio (c) creep rupture ductility (reduction in area %) of both smooth and notch specimens of the steel at 973 K 

Variation of (a) creep rupture life with net applied stress (b) creep rupture life with notch acuity ratio (c) creep rupture ductility (reduction in area %) of both smooth and notch specimens of the steel at 973 K 

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Fig. 1 Schematic representation of notch specimen of different root radius 
Fig. 2 Variation of (a) creep rupture life with net applied stress (b)...
Fig. 3 SEM micrographs from notch root to centre of unfailed notch...
Fig. 4 SEM micrographs from notch root to centre of unfailed notch...
+4 Fig. 5 Distributions of (a) von-Mises, (b) Maximum principal and (c)...
Structural Integrity Mechanics and Creep Life Prediction of 304HCu Austenitic Stainless Steel Under Multiaxial State of Stress
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  • Dec 2018
For increasing the efficiency of fossil power plants, the boiler tube material has to withstand higher temperature and pressure which calls for extensive research for identifying materials having high-temperature strength, good corrosion resistance and adequate mechanical properties. The 304HCu stainless steel 9304HCu SS is one of the candidate mat...
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... Creep rupture properties are essential input for structural integrity assessment of components at elevated temperatures in practical engineering [1][2][3][4]. Uncertainty of creep rupture properties is inevitable due to differences from microstructure, physical dimension, surface condition, test condition, etc [5][6][7][8]. A large variation has a significant effect on assessment results of components [1,9]. ...
... Uncertainty of creep rupture properties is inevitable due to differences from microstructure, physical dimension, surface condition, test condition, etc [5][6][7][8]. A large variation has a significant effect on assessment results of components [1,9]. Therefore, it is important to reasonably characterize the uncertainty of creep rupture properties. ...
... Regarding one independent variable (e.g., x i ), the values are obtained, marked as x i and x i ' , by assuming the same values of dependent variable in Eqs. (1) and (5). The corresponding safety factor for this independent variable is displayed in Eq. (7). ...
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