Grain boundary–slip bands interactions: Impact on the fatigue crack initiation in a polycrystalline forged Ni-based superalloy

[Display omitted] Low cycle fatigue properties of polycrystalline γ–γ′ Ni-based superalloys are dependent on many factors such as temperature, environment, grain size and distribution of the strengthening phases. Under LCF conditions, an intergranular crack initiation is often observed. The local co...

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