I need fatigue properties of Inconel 718B to simulate the fatigue behavior using ANSYS; But unfortunately I am unable to get the fatigue properties (S-N curve or table). Please suggest me the appropriate reference for the same.
First: Use Google Scholar to find sientific publications on this material.
If this is not succesful, create a Goodman-, Haigh- or Smith-diagramm based on the conservative assumption, that for ductile steels fatigue limit is about half of the ultimate strength, if your design is following good design rules. A good textbook on mechanical engineering describes the way to create this diagrams.
You can use some of the so called accelerated methods to determine the estimated S-N curve. Here https://www.researchgate.net/publication/266051041_ANALYSIS_OF_ACCELERATED_METHODS_FOR_DETERMINATION_OF_FATIGUE_CURVES you can find some of them with source references.
Article ANALYSIS OF ACCELERATED METHODS FOR DETERMINATION OF FATIGUE CURVES
The Damage Tolerant Design Handbook most likely has the data you are interested in.
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